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Journal articles on the topic 'Optomechanical devices'

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1

He, Li, Huan Li, and Mo Li. "Optomechanical measurement of photon spin angular momentum and optical torque in integrated photonic devices." Science Advances 2, no. 9 (2016): e1600485. http://dx.doi.org/10.1126/sciadv.1600485.

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Photons carry linear momentum and spin angular momentum when circularly or elliptically polarized. During light-matter interaction, transfer of linear momentum leads to optical forces, whereas transfer of angular momentum induces optical torque. Optical forces including radiation pressure and gradient forces have long been used in optical tweezers and laser cooling. In nanophotonic devices, optical forces can be significantly enhanced, leading to unprecedented optomechanical effects in both classical and quantum regimes. In contrast, to date, the angular momentum of light and the optical torqu
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2

Liao, Qinghong, Weida Bao, Xing Xiao, Wenjie Nie, and Yongchun Liu. "Optomechanically Induced Transparency and Slow–Fast Light Effect in Hybrid Cavity Optomechanical Systems." Crystals 11, no. 6 (2021): 698. http://dx.doi.org/10.3390/cryst11060698.

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We theoretically investigate the optomechanically induced transparency (OMIT) phenomenon and the fast and slow light effects of a four-mode optomechanical system with the Kerr medium. The optomechanical system is composed of an array of three single-mode cavities and a mechanical oscillator. The three cavities are a passive cavity, a no-loss-gain cavity and a gain optical cavity, respectively. A Kerr medium is inserted in the passive cavity. We study the influence of the Kerr medium on the stability of the optomechanical system, and find that the stable regime of the optomechanical system can
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3

Wu, Ning, Kaiyu Cui, Xue Feng, Fang Liu, Wei Zhang, and Yidong Huang. "Hetero-Optomechanical Crystal Zipper Cavity for Multimode Optomechanics." Photonics 9, no. 2 (2022): 78. http://dx.doi.org/10.3390/photonics9020078.

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Multimode optomechanics exhibiting several intriguing phenomena, such as coherent wavelength conversion, optomechanical synchronization, and mechanical entanglements, has garnered considerable research interest for realizing a new generation of information processing devices and exploring macroscopic quantum effect. In this study, we proposed and designed a hetero-optomechanical crystal (OMC) zipper cavity comprising double OMC nanobeams as a versatile platform for multimode optomechanics. Herein, the heterostructure and breathing modes with high mechanical frequency ensured the operation of t
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4

Diao, Zhu, Vincent T. K. Sauer, and Wayne K. Hiebert. "Integrated On-Chip Nano-Optomechanical Systems." International Journal of High Speed Electronics and Systems 26, no. 01n02 (2017): 1740005. http://dx.doi.org/10.1142/s0129156417400055.

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Recent developments in integrated on-chip nano-optomechanical systems are reviewed. Silicon-based nano-optomechanical devices are fabricated by a two-step process, where the first step is a foundry-enabled photonic circuits patterning and the second step involves in-house mechanical device release. We show theoretically that the enhanced responsivity of near-field optical transduction of mechanical displacement in on-chip nano-optomechanical systems originates from the finesse of the optical cavity to which the mechanical device couples. An enhancement in responsivity of more than two orders o
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Zhang, Jian-Qi, Jing-Xin Liu, Hui-Lai Zhang, et al. "Topological optomechanical amplifier in synthetic PT $\mathcal{PT}$ -symmetry." Nanophotonics 11, no. 6 (2022): 1149–58. http://dx.doi.org/10.1515/nanoph-2021-0721.

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Abstract We propose how to achieve synthetic PT $\mathcal{PT}$ symmetry in optomechanics without using any active medium. We find that harnessing the Stokes process in such a system can lead to the emergence of exceptional point (EP), i.e., the coalescing of both the eigenvalues and the eigenvectors of the system. By encircling the EP, both nonreciprocal optical amplification and chiral mode switching can be achieved. As a result, our synthetic PT $\mathcal{PT}$ -symmetric optomechanics works as a topological optomechanical amplifier. This provides a surprisingly simplified route to realize PT
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6

Li, Zhenyao, Haonan Chang, Jia-Min Lai, et al. "Terahertz phononic crystal in plasmonic nanocavity." Journal of Semiconductors 44, no. 8 (2023): 082901. http://dx.doi.org/10.1088/1674-4926/44/8/082901.

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Abstract Interaction between photons and phonons in cavity optomechanical systems provides a new toolbox for quantum information technologies. A GaAs/AlAs pillar multi-optical mode microcavity optomechanical structure can obtain phonons with ultra-high frequency (~THz). However, the optical field cannot be effectively restricted when the diameter of the GaAs/AlAs pillar microcavity decreases below the diffraction limit of light. Here, we design a system that combines Ag nanocavity with GaAs/AlAs phononic superlattices, where phonons with the frequency of 4.2 THz can be confined in a pillar wit
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7

Mercadé, Laura, and Alejandro Martínez. "Optomechanical microwave oscillators." Reviews of Electromagnetics 1 (January 1, 2022): 1–4. http://dx.doi.org/10.53792/roe/2022.1/21009.

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Optomechanical interaction in optical dielectric cavities can be used to generate high-purity microwave tones, giving rise to optomechanical microwave oscillators. Here, we introduce the main properties of these devices, which can be implemented in photonic integrated chips, and envisage its deployment in the mid-term in microwave photonics applications.
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8

Argüello-Luengo, Javier, and Darrick E. Chang. "Optomechanical strong coupling between a single photon and a single atom." New Journal of Physics 24, no. 2 (2022): 023006. http://dx.doi.org/10.1088/1367-2630/ac4c69.

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Abstract Single atoms coupled to a cavity offer unique opportunities as quantum optomechanical devices because of their small mass and strong interaction with light. A particular regime of interest in optomechanics is that of ‘single-photon strong coupling’, where motional displacements on the order of the zero-point uncertainty are sufficient to shift the cavity resonance frequency by more than its linewidth. In many cavity QED platforms, however, this is unfeasible due to the large cavity linewidth. Here, we propose an alternative route in such systems, which instead relies on the coupling o
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9

Shahandeh, Farid, and Martin Ringbauer. "Optomechanical state reconstruction and nonclassicality verification beyond the resolved-sideband regime." Quantum 3 (February 25, 2019): 125. http://dx.doi.org/10.22331/q-2019-02-25-125.

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Quantum optomechanics uses optical means to generate and manipulate quantum states of motion of mechanical resonators. This provides an intriguing platform for the study of fundamental physics and the development of novel quantum devices. Yet, the challenge of reconstructing and verifying the quantum state of mechanical systems has remained a major roadblock in the field. Here, we present a novel approach that allows for tomographic reconstruction of the quantum state of a mechanical system without the need for extremely high quality optical cavities. We show that, without relying on the usual
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10

McGovern, Faolan Radford, Aleksandra Hernik, Catherine Grogan, George Amarandei, and Izabela Naydenova. "The Development of Optomechanical Sensors—Integrating Diffractive Optical Structures for Enhanced Sensitivity." Sensors 23, no. 12 (2023): 5711. http://dx.doi.org/10.3390/s23125711.

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The term optomechanical sensors describes devices based on coupling the optical and mechanical sensing principles. The presence of a target analyte leads to a mechanical change, which, in turn, determines an alteration in the light propagation. Having higher sensitivity in comparison with the individual technologies upon which they are based, the optomechanical devices are used in biosensing, humidity, temperature, and gases detection. This perspective focuses on a particular class, namely on devices based on diffractive optical structures (DOS). Many configurations have been developed, includ
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11

Kosaka, Priscila M., Montserrat Calleja, and Javier Tamayo. "Optomechanical devices for deep plasma cancer proteomics." Seminars in Cancer Biology 52 (October 2018): 26–38. http://dx.doi.org/10.1016/j.semcancer.2017.08.011.

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12

Rodrigues, Janderson R., Andre Gusso, Felipe S. S. Rosa, and Vilson R. Almeida. "Rigorous analysis of Casimir and van der Waals forces on a silicon nano-optomechanical device actuated by optical forces." Nanoscale 10, no. 8 (2018): 3945–52. http://dx.doi.org/10.1039/c7nr09318g.

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13

Ayrapetyan, Valerik, and Georgy Kurylenko. "INCREASE OF ACCURACY AND SAFETY SECURING OF OPTOMECHANICAL DEVICES WHENMEASURING." Interexpo GEO-Siberia 9 (2019): 98–105. http://dx.doi.org/10.33764/2618-981x-2019-9-98-105.

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This article examines the vibration-proof devices, essentially improving accuracy of measuring. A new thermographic method for definition of static crack resistance characteristics of material is offered. This method allows define these characteristics more precisely and quickly, increasing the reliable of optomechanical devices.
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14

Kumar, Sumit, Sebastian Spence, Simon Perrett, et al. "A novel architecture for room temperature microwave optomechanical experiments." Journal of Applied Physics 133, no. 9 (2023): 094501. http://dx.doi.org/10.1063/5.0136214.

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We have developed a novel architecture for room temperature microwave cavity optomechanics, which is based on the coupling of a 3D microwave re-entrant cavity to a compliant membrane. Device parameters have enabled resolving the thermomechanical motion of the membrane and observing optomechanically induced transparency/absorption in the linear regime for the first time in a microwave optomechanical system operated at room temperature. We have extracted the single-photon coupling rate ([Formula: see text]) using four independent measurement techniques and, hence, obtained a full characterizatio
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15

Hoch, David, Kevin-Jeremy Haas, Leopold Moller, et al. "Efficient Optomechanical Mode-Shape Mapping of Micromechanical Devices." Micromachines 12, no. 8 (2021): 880. http://dx.doi.org/10.3390/mi12080880.

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Visualizing eigenmodes is crucial in understanding the behavior of state-of-the-art micromechanical devices. We demonstrate a method to optically map multiple modes of mechanical structures simultaneously. The fast and robust method, based on a modified phase-lock loop, is demonstrated on a silicon nitride membrane and shown to outperform three alternative approaches. Line traces and two-dimensional maps of different modes are acquired. The high quality data enables us to determine the weights of individual contributions in superpositions of degenerate modes.
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16

Kurilenko, George A., and Valerik S. Ayrapetyan. "Determination of the Fracture Toughness of Optomechanical Devices." Optics and Photonics Journal 06, no. 11 (2016): 298–304. http://dx.doi.org/10.4236/opj.2016.611030.

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17

Chien-Chung Lin, W. A. Martin, and J. S. Harris. "Optomechanical model of surface micromachined tunable optoelectronic devices." IEEE Journal of Selected Topics in Quantum Electronics 8, no. 1 (2002): 80–87. http://dx.doi.org/10.1109/2944.991402.

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18

Princepe, Debora, Gustavo S. Wiederhecker, Ivan Favero, and Newton C. Frateschi. "Self-Sustained Laser Pulsation in Active Optomechanical Devices." IEEE Photonics Journal 10, no. 3 (2018): 1–10. http://dx.doi.org/10.1109/jphot.2018.2831001.

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19

Li, Nanxi, Chong Pei Ho, Shiyang Zhu, Yuan Hsing Fu, Yao Zhu, and Lennon Yao Ting Lee. "Aluminium nitride integrated photonics: a review." Nanophotonics 10, no. 9 (2021): 2347–87. http://dx.doi.org/10.1515/nanoph-2021-0130.

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Abstract Integrated photonics based on silicon has drawn a lot of interests, since it is able to provide compact solution for functional devices, and its fabrication process is compatible with the mature complementary metal-oxide-semiconductor (CMOS) fabrication technology. In the meanwhile, silicon material itself has a few limitations, including an indirect bandgap of 1.1 eV, transparency wavelength of >1.1 μm, and insignificant second-order nonlinear optical property. Aluminum nitride (AlN), as a CMOS-compatible material, can overcome these limitations. It has a wide bandgap of 6.2 eV, a
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20

Li, Jin-Jin, and Ka-Di Zhu. "Quantum memory for light with a quantum dot system coupled to a nanomechanical resonator." Quantum Information and Computation 11, no. 5&6 (2011): 456–65. http://dx.doi.org/10.26421/qic11.5-6-7.

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The specific features including high factor and long vibration lifetime of nanomechanical resonator (NR) in nano-optomechanical systems have stimulated research to realize some optical devices. In this work, we demonstrate theoretically that it is possible to achieve quantum memory for light on demand via a quantum dot system coupled to a nanomechanical resonator. This quantum memory for light is based on mechanically induced exciton polaritons, which makes the dark-state polariton reaccelerated and converted back into a photon pulse. Our presented device could open the door to all-optical rou
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21

Guo, Jingkun, and Simon Gröblacher. "Coherent feedback in optomechanical systems in the sideband-unresolved regime." Quantum 6 (November 3, 2022): 848. http://dx.doi.org/10.22331/q-2022-11-03-848.

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Preparing macroscopic mechanical resonators close to their motional quantum groundstate and generating entanglement with light offers great opportunities in studying fundamental physics and in developing a new generation of quantum applications. Here we propose an experimentally interesting scheme, which is particularly well suited for systems in the sideband-unresolved regime, based on coherent feedback with linear, passive optical components to achieve groundstate cooling and photon-phonon entanglement generation with optomechanical devices. We find that, by introducing an additional passive
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22

Clark, Lewis A., Bartosz Markowicz, and Jan Kołodyński. "Exploiting non-linear effects in optomechanical sensors with continuous photon-counting." Quantum 6 (September 20, 2022): 812. http://dx.doi.org/10.22331/q-2022-09-20-812.

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Optomechanical systems are rapidly becoming one of the most promising platforms for observing quantum behaviour, especially at the macroscopic level. Moreover, thanks to their state-of-the-art methods of fabrication, they may now enter regimes of non-linear interactions between their constituent mechanical and optical degrees of freedom. In this work, we show how this novel opportunity may serve to construct a new generation of optomechanical sensors. We consider the canonical optomechanical setup with the detection scheme being based on time-resolved counting of photons leaking from the cavit
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23

Wei Si-Yu, Huang Hao, Ma Xiao-Yun, Huang Hai-Wen, Xu Xin, and Wang Rong-Yao. "Selective modulation of the plasmonic circular dichroism enabled by synergic asymmetric optomechanical and photothermal effects in nano-plasmonic chiral structures." Acta Physica Sinica 74, no. 14 (2025): 0. https://doi.org/10.7498/aps.74.20250423.

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Nano-plasmonic chiral structures exhibit stronger plasmonic circular dichroism than most organic materials. In addition to the circular dichroism response, the interaction between light and nano-plasmonic chiral structures also involves the photothermal and optomechanical effects. However, the synergistic effect between the photothermal and optomechanical effects under circularly polarized light excitation remains poorly understood. This article investigates the synergistic effect of the photothermal and optomechanical effects in chiral gold nanorod trimers. The asymmetric photothermal and opt
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24

Wang, Xiangke, Wanling Wu, Yipeng Lun, Huakang Yu, Qihua Xiong, and Zhi-yuan Li. "Polarization-Dependent Lateral Optical Force of Subwavelength-Diameter Optical Fibers." Micromachines 10, no. 10 (2019): 630. http://dx.doi.org/10.3390/mi10100630.

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It is highly desirable to design optical devices with diverse optomechanical functions. Here, we investigate lateral optical force exerted on subwavelength-diameter (SD) optical fibers harnessed by input light modes with different polarizations. It is interesting to find that input light modes of circular or elliptical polarizations would bring about lateral optical force in new directions, which has not been observed in previous studies. By means of finite-difference time-domain (FDTD) simulations, detailed spatial distributions of the asymmetric transverse force density are revealed, meanwhi
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Gao, Yan, Li Deng, and Aixi Chen. "Optical Bistability in an Optomechanical System with N-Type Atoms under Nonresonant Conditions." Photonics 7, no. 4 (2020): 122. http://dx.doi.org/10.3390/photonics7040122.

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In this paper, the phenomenon of the optical bistability of a cavity field is theoretically investigated in an optomechanical system containing an N-type atomic ensemble. In this hybrid optomechanical system, the atoms are coupled with two controlling light fields besides coupling with the cavity field. Under the nonresonant condition, we analyze the influences of the coupling strength between cavity and atoms, Rabi frequencies of the controlling light field, the detuning between the controlling light field and atoms, and pump field power on the optical bistable behavior of mean intracavity ph
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26

Chin, Lip Ket, Yuzhi Shi, and Ai-Qun Liu. "Optical Forces in Silicon Nanophotonics and Optomechanical Systems: Science and Applications." Advanced Devices & Instrumentation 2020 (October 26, 2020): 1–14. http://dx.doi.org/10.34133/2020/1964015.

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Light-matter interactions have been explored for more than 40 years to achieve physical modulation of nanostructures or the manipulation of nanoparticle/biomolecule. Silicon photonics is a mature technology with standard fabrication techniques to fabricate micro- and nano-sized structures with a wide range of material properties (silicon oxides, silicon nitrides, p- and n-doping, etc.), high dielectric properties, high integration compatibility, and high biocompatibilities. Owing to these superior characteristics, silicon photonics is a promising approach to demonstrate optical force-based int
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González-Andrade, David, Ruano Paula Nuño, Jianhao Zhang, et al. "Enhancing stimulated Brillouin scattering in suspended silicon waveguides through subwavelength nanostructuration [Invited]." Optical Materials Express 14, no. 11 (2024): 2562–77. https://doi.org/10.1364/OME.534474.

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Brillouin optomechanics is playing a key role in the development of groundbreaking devices and novel functionalities in integrated silicon photonics, such as narrow linewidth filtering and lasers, tunable frequency, non-reciprocity, etc. Most silicon-based optomechanical waveguides, which use anchoring arms or perforated slabs to ensure mechanical stability and operate for transverse-electric polarized light, face challenges with acoustic mode leakage into the lateral Si slab, limiting the photon-phonon overlap and the Brillouin gain. Here, we propose new waveguide designs based on subwaveleng
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28

Chitara, Basant, and Assaf Ya'akobovitz. "Elastic properties and breaking strengths of GaS, GaSe and GaTe nanosheets." Nanoscale 10, no. 27 (2018): 13022–27. http://dx.doi.org/10.1039/c8nr01065j.

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The present study highlights the elastic properties of suspended GaS, GaSe and GaTe nanosheets using atomic force microscopy. GaS exhibited the highest Young's modulus (∼173 GPa) among these nanosheets. These materials can withstand maximal stresses of up to 8 GPa and a maximal strain of 7% before breaking, making them suitable for stretchable electronic and optomechanical devices.
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29

Pi, Hailong, Carlo Edoardo Campanella, David J. Thomson, and Jize Yan. "Positive and Negative Pull-Back Instabilities in Mode Splitting Optomechanical Devices." ACS Photonics 9, no. 1 (2021): 123–31. http://dx.doi.org/10.1021/acsphotonics.1c01241.

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30

Rath, Patrik, Sandeep Ummethala, Christoph Nebel, and Wolfram H. P. Pernice. "Diamond as a material for monolithically integrated optical and optomechanical devices." physica status solidi (a) 212, no. 11 (2015): 2385–99. http://dx.doi.org/10.1002/pssa.201532494.

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31

Scheuer, Kyle G., and Ray G. DeCorby. "All-Optical, Air-Coupled Ultrasonic Detection of Low-Pressure Gas Leaks and Observation of Jet Tones in the MHz Range." Sensors 23, no. 12 (2023): 5665. http://dx.doi.org/10.3390/s23125665.

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We used an ultrasensitive, broadband optomechanical ultrasound sensor to study the acoustic signals produced by pressurized nitrogen escaping from a variety of small syringes. Harmonically related jet tones extending into the MHz region were observed for a certain range of flow (i.e., Reynolds number), which is in qualitative agreement with historical studies on gas jets emitted from pipes and orifices of much larger dimensions. For higher turbulent flow rates, we observed broadband ultrasonic emission in the ~0–5 MHz range, which was likely limited on the upper end due to attenuation in air.
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Fan, Liang-Xuan, Tao Shui, Ling Li, and Wen-Xing Yang. "Modulation of Second-Order Sideband Efficiency in an Atom-Assisted Optomechanical System." Photonics 11, no. 5 (2024): 416. http://dx.doi.org/10.3390/photonics11050416.

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We propose an efficient scheme to enhance the generation of optical second-order sidebands (OSSs) in an atom-assisted optomechanical system. The cavity field is coupled with a strong driving field and a weak probe field, and a control field is applied to the atom. We use the steady-state method to analyze the nonlinear interaction in the system, which is different from the traditional linear analysis method. The existence of an auxiliary three-level atom driven by the control field significantly enhances the generation of an OSS. It is found that the efficiency of the OSS can be effectively mo
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33

Lall, Jasleen, and Hans Zappe. "MEMS-compatible structuring of liquid crystal network actuators using maskless photolithography." Smart Materials and Structures 31, no. 11 (2022): 115014. http://dx.doi.org/10.1088/1361-665x/ac95e5.

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Abstract We present a method to structure liquid crystal network actuators based on selectively polymerizing the network without any physical or hard masks in a process compatible with microelectromechanical system (MEMS) technology. The standard glass-cell filling technique is used to generate the actuator films; subsequently, selected areas are exposed to light and thus polymerized to structure the actuators. No further machining, such as laser cutting, is necessary. The polymerization pattern is defined by projection using a digital micromirror device-based optomechanical setup, with a reso
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Liu, Shen, Hang Xiao, Yanping Chen, et al. "Nano-Optomechanical Resonators Based on Suspended Graphene for Thermal Stress Sensing." Sensors 22, no. 23 (2022): 9068. http://dx.doi.org/10.3390/s22239068.

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Nanomechanical resonators made from suspended graphene combine the properties of ultracompactness and ultrahigh detection sensitivity, making them interesting devices for sensing applications. However, nanomechanical systems can be affected by membrane stress. The present work developed an optomechanical resonator for thermal stress sensing. The proposed resonator consists of a section of hollow core fiber (HCF) and a trampoline graphene–Au membrane. An all-optical system that integrated optical excitation and optical detection was applied. Then, the resonance frequency of the resonator was ob
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35

Wang, Faqiang, Weici Liu, Zhongchao Wei, Hongyun Meng, and Hongzhan Liu. "Flexible Control of Two-Channel Transmission and Group Delay in an Optomechanical System with Double Quantum Dots Driven by External Field." Nanomaterials 11, no. 6 (2021): 1554. http://dx.doi.org/10.3390/nano11061554.

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With the presence of a driving field applied to double quantum dots and a control field applied on the cavity, the transmission performance and group delay effect of a probe field have been theoretically studied in a hybrid optomechanical system (HOMS). Due to the interaction between the mechanical mode and the double quantum dots system, double optomechanically induced transparency (OMIT) arises in the HOMS. With the assistance of a driving field, the system can be tuned to switch on any one of the two OMIT windows, switch on both of the two OMIT windows or switch off both of the two OMIT win
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36

Fanchini, Giovanni. "(Invited) Optomechanical Nanoprobes in the Quest for Novel Nanoscale Electronic and Photonic Devices." ECS Meeting Abstracts MA2024-02, no. 35 (2024): 2456. https://doi.org/10.1149/ma2024-02352456mtgabs.

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In this talk we will review the efforts from our group in the development of nanoptical, nanomechanical and integrated nano-optomechanical probes that can be utilized for the purpose of developing novel nanoscale electronic and photonic devices, and related materials.[1] For example, there are very few examples of techniques based on atomic force microscopy (AFM) and scanning tumnneling microscopy (STM) capable of acquiring, with nanoscale lateral resolution, quantitative maps of the photocurrent of a thin-film solar cell, or the thermal conductivity, thermal expansivity, and nanomechanical ex
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37

Pervaiz, Kashif Ali, and Faiqah Bint Monir. "Optomechanical Design Of The Gun Scope Optics Using An Uncooled LWIR Thermal Imaging Sensor With A Precise Image Focusing Mechanism." IOSR Journal of Applied Physics 17, no. 2 (2025): 01–08. https://doi.org/10.9790/4861-1702040108.

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A well-designed optical system for a gun scope [1] needed an optomechanical enclosure to accommodate all the optical and electronic components for its required functionality and use. For this purpose, a design process was initiated considering all the optical and mechanical performance requirements of the intended product, to formulate a mechanical housing. A certain set of design steps was followed, conforming adherence to the required features and safe performance of the gun scope optics. Gun scopes equipped with uncooled thermal imaging sensors operating in the LWIR (Long-Wave Infrared) ran
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38

Xu, Xinyao, Yifei Zhang, Jindao Tang, et al. "Optomechanical Microwave-to-Optical Photon Transducer Chips: Empowering the Quantum Internet Revolution." Micromachines 15, no. 4 (2024): 485. http://dx.doi.org/10.3390/mi15040485.

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The first quantum revolution has brought us the classical Internet and information technology. Today, as technology advances rapidly, the second quantum revolution quietly arrives, with a crucial moment for quantum technology to establish large-scale quantum networks. However, solid-state quantum bits (such as superconducting and semiconductor qubits) typically operate in the microwave frequency range, making it challenging to transmit signals over long distances. Therefore, there is an urgent need to develop quantum transducer chips capable of converting microwaves into optical photons in the
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39

El Ghafiani, Mohamed, Adnane Noual, Madiha Amrani, Mohammed Moutaouekkil, and El Houssaine El Boudouti. "Numerical Investigation of Localized Surface Plasmons in Gold Nano-Ridge Dimer-on-Mirror Structures." Photonics 11, no. 9 (2024): 817. http://dx.doi.org/10.3390/photonics11090817.

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The study of localized surface plasmons (LSPs) in nanoscale structures is an essential step towards identifying optimal plasmonic modes that can facilitate robust optomechanical coupling and deepen our understanding of light–matter interactions at the nanoscale. This paper investigates, numerically, using the finite element method, LSP modes in a design comprising two coupled nano-ridges deposited on a gold layer with an interposing polymer spacer layer. Such a structure, usually referred to as a particle-on-mirror structure, shows exquisite optical properties at the nanoscale. We first examin
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Ayrapetian, Valeric S., and George A. Kurilenko. "INCREASING ACCURACY AND PROVIDING RELIABILITY OF OPTOMECHANICAL DEVICES IN THE PROCESS OF MEASUREMENT OPERATION." Vestnik SSUGT (Siberian State University of Geosystems and Technologies) 24, no. 1 (2019): 236–45. http://dx.doi.org/10.33764/2411-1759-2019-24-1-236-245.

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41

Teker, Kasif. "High-Transconductance and Low-Leakage Current Single Aluminum Nitride Nanowire Field Effect Transistor." Journal of Nano Research 81 (December 22, 2023): 1–8. http://dx.doi.org/10.4028/p-kxpr2q.

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This study presents electrical transport properties of a catalyst-free grown single aluminum nitride nanowire field effect transistor (AlNNW-FET) exhibiting a very high transconductance of 26.9 pS, high on/off current ratio of 795.9, high conductivity of 9.8 x 10-4 Ω-1.cm-1, and a very low leakage current of 10 pA. The conductivity of AlN nanowire is two orders of magnitude higher than the reported studies. The AlNNW-FET reveals a dominant p-type conductivity. The p-type conductivity can be attributed to aluminum vacancies and complexes composed of Al vacancies and oxygen impurities. In conseq
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42

Murzin, Dmitry, Desmond J. Mapps, Kateryna Levada, et al. "Ultrasensitive Magnetic Field Sensors for Biomedical Applications." Sensors 20, no. 6 (2020): 1569. http://dx.doi.org/10.3390/s20061569.

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The development of magnetic field sensors for biomedical applications primarily focuses on equivalent magnetic noise reduction or overall design improvement in order to make them smaller and cheaper while keeping the required values of a limit of detection. One of the cutting-edge topics today is the use of magnetic field sensors for applications such as magnetocardiography, magnetotomography, magnetomyography, magnetoneurography, or their application in point-of-care devices. This introductory review focuses on modern magnetic field sensors suitable for biomedicine applications from a physica
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43

Radkevich, L. P. "Visual devices for spaceships and orbital stations developed at the Ural Optomechanical Factory Manufacturing Organization." Journal of Optical Technology 66, no. 4 (1999): 320. http://dx.doi.org/10.1364/jot.66.000320.

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She Yan-Chao, Xu Min-Qi, Wenya Feng, Jiaqi Liu, and Yang Hong. "Magneton Bistability in a Quantum Dot-Double Cavity Optomechanical Coupling System." Acta Physica Sinica 74, no. 12 (2025): 0. https://doi.org/10.7498/aps.74.20250172.

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Magnons, as quasiparticles arising from spin wave excitations in magnetic materials, have demonstrated significant application potential in quantum information technology, spintronics, and microwave engineering in recent years. The cavity magnon optomechanical system, serving as a key platform for investigating magnetooptical interactions, has advanced the exploration of nonlinear dynamical behaviors and the innovative design of quantum devices through strong coupling between magnons, photons, and phonons. However, traditional single-cavity systems face limitations in terms of tunability, long
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45

Galaktionov, Ilya V., Alexander N. Nikitin, Julia V. Sheldakova, Vladimir V. Toporovsky, Sausan Kh Abdulrazak, and Alexey V. Kudryashov. "Hartmannometer and Fizeau interferometer: comparative analysis of optical-surface testing devices." Journal of Optical Technology 91, no. 11 (2024): 737. https://doi.org/10.1364/jot.91.000737.

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Subject of study. This study proposes an optomechanical device as an alternative to a Fizeau interferometer for optical-surface quality control. Aim of study. The aim of the study was to develop and assess a metrological device for measuring optical-surface flatness and to compare the measurement results obtained with this device against those from a Fizeau interferometer. Method. The wavefront of the radiation reflected from the tested optical surface is measured using a Shack–Hartmann sensor. Main results. This research developed a fundamentally new device, named a Hartmannometer. A method f
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Zhang, S., J. Yin, H. W. Zhang, and B. S. Chen. "Multi-objective optimization of two-dimensional phoxonic crystals with multi-level substructure scheme." International Journal of Modern Physics B 30, no. 09 (2016): 1650046. http://dx.doi.org/10.1142/s0217979216500466.

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Phoxonic crystal (PXC) is a promising artificial periodic material for optomechanical systems and acousto-optical devices. The multi-objective topology optimization of dual phononic and photonic max relative bandgaps in a kind of two-dimensional (2D) PXC is investigated to find the regular pattern of topological configurations. In order to improve the efficiency, a multi-level substructure scheme is proposed to analyze phononic and photonic band structures, which is stable, efficient and less memory-consuming. The efficient and reliable numerical algorithm provides a powerful tool to optimize
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Garmire, Elsa. "Stimulated Brillouin Review: Invented 50 Years Ago and Applied Today." International Journal of Optics 2018 (December 2, 2018): 1–17. http://dx.doi.org/10.1155/2018/2459501.

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Stimulated Brillouin scattering (SBS) is embedded today in a variety of optical systems, such as advanced high-power lasers, sensors, microwave signal processors, scientific instrumentation, and optomechanical systems. Reduction in SBS power requirements involves use of optical fibers, integrated optics, micro-optic devices, and now nano-optics, often in high Q cavities. It has taken fifty years from its earliest invention by conceptual discovery until today for SBS to become a practical and useful technology in a variety of applications. Some of these applications are explained and it is show
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Bao, Yang, Qinghong Liao, Qingmin Zhao, and Jing Wu. "Suppression of Stokes heating processes and improved optomechanical cooling with frequency modulation." Communications in Theoretical Physics 74, no. 4 (2022): 045102. http://dx.doi.org/10.1088/1572-9494/ac5588.

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Abstract Ground-state cooling of mesoscopic mechanical objects is still a major challenge in the unresolved-sideband regime. We present a frequency modulation (FM) scheme to achieve cooling of the mechanical resonator to its ground-state in a double-cavity optomechanical system containing a mechanical resonator. The mean phonon number is determined by numerically solving a set of differential equations derived from the quantum master equations. Due to efficient suppression of Stokes heating processes in the presence of FM, the ground-state cooling, indicated by numerical calculations, is signi
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Ryaboy, Vyacheslav M. "Damping in precision vibration control: A review." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A239. http://dx.doi.org/10.1121/10.0018765.

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This paper reviews various damping techniques used in precision vibration control devices such as optical tables and other vibration-isolated platforms for sensitive optical, acoustical, and life sciences experiments, as well as advanced technological processes [1]. These techniques include tunable dynamic vibration absorbers, active damping, and modal damping in isolated platforms, as well as active and passive damping in vibration isolators. The theoretical background, principles of implementation, and test results are illustrated by case studies that include a large tuned-damped optical ben
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Primo, André G., Pedro V. Pinho, Rodrigo Benevides, Simon Gröblacher, Gustavo S. Wiederhecker, and Thiago P. Mayer Alegre. "Dissipative optomechanics in high-frequency nanomechanical resonators." Nature Communications 14, no. 1 (2023). http://dx.doi.org/10.1038/s41467-023-41127-7.

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AbstractThe coherent transduction of information between microwave and optical domains is a fundamental building block for future quantum networks. A promising way to bridge these widely different frequencies is using high-frequency nanomechanical resonators interacting with low-loss optical modes. State-of-the-art optomechanical devices rely on purely dispersive interactions that are enhanced by a large photon population in the cavity. Additionally, one could use dissipative optomechanics, where photons can be scattered directly from a waveguide into a resonator hence increasing the degree of
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