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Journal articles on the topic 'Resonantly enhanced modulators'

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1

Visagathilagar, Y. S., T. G. Nguyen, A. A. Mitchell, and M. W. Austin. "Systematic design approach for optimized resonantly enhanced Mach-zehnder Modulators." Journal of Lightwave Technology 24, no. 1 (January 2006): 555–62. http://dx.doi.org/10.1109/jlt.2005.860162.

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2

Thach Giang Nguyen, Y. S. Visagathilagar, and A. Mitchell. "Sensitivity analysis of process variations for resonantly enhanced modulators on LiNbO/sub 3/." Journal of Lightwave Technology 24, no. 5 (May 2006): 2199–206. http://dx.doi.org/10.1109/jlt.2006.872270.

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3

Gopalakrishnan, G. K., and W. K. Burns. "Performance and modeling of resonantly enhanced LiNbO/sub 3/ modulators for low-loss analog fiber-optic links." IEEE Transactions on Microwave Theory and Techniques 42, no. 12 (1994): 2650–56. http://dx.doi.org/10.1109/22.339810.

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4

Nguyen, T. G., A. Mitchell, and Y. S. Visagathilagar. "Investigation of Resonantly Enhanced Modulators on<tex>$hboxLiNbO_3$</tex>Using FEM and Numerical Optimization Technique." Journal of Lightwave Technology 22, no. 2 (February 2004): 526–33. http://dx.doi.org/10.1109/jlt.2003.821746.

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5

Shum, Chi Man, and Edward A. Whittaker. "Resonantly enhanced radio frequency electrooptic phase modulator." Applied Optics 29, no. 3 (January 20, 1990): 422. http://dx.doi.org/10.1364/ao.29.000422.

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6

Thach Giang Nguyen, A. Mitchell, and Y. S. Visagathilagar. "Demonstration of a numerically optimized resonantly enhanced Mach-zehnder Modulator." IEEE Photonics Technology Letters 18, no. 3 (February 2006): 454–56. http://dx.doi.org/10.1109/lpt.2005.863174.

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7

Ljungblad, Ulric, Tomas Lock, and Tor Sandstrom. "Resonantly enhanced addressing of a spatial light modulator micro-mirror array." Microelectronic Engineering 83, no. 4-9 (April 2006): 663–66. http://dx.doi.org/10.1016/j.mee.2005.12.031.

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8

Romero-García, Sebastian, Alvaro Moscoso-Mártir, Saeed Sharif Azadeh, Juliana Müller, Bin Shen, Florian Merget, and Jeremy Witzens. "High-speed resonantly enhanced silicon photonics modulator with a large operating temperature range." Optics Letters 42, no. 1 (December 22, 2016): 81. http://dx.doi.org/10.1364/ol.42.000081.

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9

Ju, Gun Wu, Byung Hoon Na, Yong-Hwa Park, Young Min Song, and Yong Tak Lee. "Recent Approaches for Broadening the Spectral Bandwidth in Resonant Cavity Optoelectronic Devices." Advances in Condensed Matter Physics 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/605170.

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Resonant cavity optoelectronic devices, such as vertical cavity surface emitting lasers (VCSELs), resonant cavity enhanced photodetectors (RCEPDs), and electroabsorption modulators (EAMs), show improved performance over their predecessors by placing the active device structure inside a resonant cavity. The effect of the optical cavity, which allows wavelength selectivity and enhancement of the optical field due to resonance, allows the devices to be made thinner and therefore faster, while simultaneously increasing the quantum efficiency at the resonant wavelengths. However, the narrow spectra
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10

ZHANG, KE, HONGLI WANG, CHUN QIAO, and QI OUYANG. "NOISE INDUCED RESONANT TRANSITION BETWEEN TURING PATTERNS." International Journal of Modern Physics B 21, no. 15 (June 10, 2007): 2615–24. http://dx.doi.org/10.1142/s0217979207037259.

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We report a noise assisted and optimized resonant transition behavior between two metastable Turing pattern states in a piecewise FitzHu–Nagumo model. The response of the bistable Turing system to a weak periodic signal which modulates the attraction domain of the piecewise function is enhanced with the addition of noise. The quantity that measures the resonant transition between the bistable states and the periodicity of the Turing pattern shows a tent-shape dependence on the intensity of noise, which is the fingerprint of stochastic resonance. As the frequency of the signal is increased to b
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11

Zhang, Yaxin, Yuncheng Zhao, Shixiong Liang, Bo Zhang, Lan Wang, Tianchi Zhou, Wei Kou, et al. "Large phase modulation of THz wave via an enhanced resonant active HEMT metasurface." Nanophotonics 8, no. 1 (November 27, 2018): 153–70. http://dx.doi.org/10.1515/nanoph-2018-0116.

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AbstractTerahertz (THz) science and technology promise unique applications in high-speed communications, high-accuracy imaging, and so on. To keep up with the demand for THz systems, THz dynamic devices should feature large phase shift modulation and high speed. To date, however, only a few devices can efficiently manipulate the phase of THz waves. In this paper, we demonstrate that efficient phase modulation of THz waves can be addressed by an active and enhanced resonant metamaterial embedded with a nanostructured 2D electron gas (2DEG) layer of a GaN high electron mobility transistor (HEMT)
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12

Nayak, Maheswar, P. C. Pradhan, and G. S. Lodha. "Element-specific structural analysis of Si/B4C using resonant X-ray reflectivity." Journal of Applied Crystallography 48, no. 3 (May 9, 2015): 786–96. http://dx.doi.org/10.1107/s1600576715005877.

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Element-specific structural analysis at the buried interface of a low electron density contrast system is important in many applied fields. The analysis of nanoscaled Si/B4C buried interfaces is demonstrated using resonant X-ray reflectivity. This technique combines information about spatial modulations of charges provided by scattering, which is further enhanced near the resonance, with the sensitivity to electronic structure provided by spectroscopy. Si/B4C thin-film structures are studied by varying the position of B4C in Si layers. Measured values of near-edge optical properties are correl
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13

Xiao-Hong, Yang, Han Qin, Ni Hai-Qiao, Huang She-Song, Du Yun, Peng Hong-Ling, Xiong Yong-Hua, Niu Zhi-Chuan та Wu Rong-Han. "Design and Fabrication of 1.06 μm Resonant-Cavity Enhanced Reflective Modulator with GaInAs/GaAs Quantum Wells". Chinese Physics Letters 23, № 12 (29 листопада 2006): 3376–79. http://dx.doi.org/10.1088/0256-307x/23/12/071.

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14

Li, Yuyu, Khwanchai Tantiwanichapan, Anna K. Swan, and Roberto Paiella. "Graphene plasmonic devices for terahertz optoelectronics." Nanophotonics 9, no. 7 (May 14, 2020): 1901–20. http://dx.doi.org/10.1515/nanoph-2020-0211.

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AbstractPlasmonic excitations, consisting of collective oscillations of the electron gas in a conductive film or nanostructure coupled to electromagnetic fields, play a prominent role in photonics and optoelectronics. While traditional plasmonic systems are based on noble metals, recent work has established graphene as a uniquely suited materials platform for plasmonic science and applications due to several distinctive properties. Graphene plasmonic oscillations exhibit particularly strong sub-wavelength confinement, can be tuned dynamically through the application of a gate voltage, and span
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15

Qin, Feng, Zeqiang Chen, Xifang Chen, Zao Yi, Weitang Yao, Tao Duan, Pinghui Wu, Hua Yang, Gongfa Li, and Yougen Yi. "A Tunable Triple-Band Near-Infrared Metamaterial Absorber Based on Au Nano-Cuboids Array." Nanomaterials 10, no. 2 (January 24, 2020): 207. http://dx.doi.org/10.3390/nano10020207.

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In this article, we present a design for a triple-band tunable metamaterial absorber with an Au nano-cuboids array, and undertake numerical research about its optical properties and local electromagnetic field enhancement. The proposed structure is investigated by the finite-difference time domain (FDTD) method, and we find that it has triple-band tunable perfect absorption peaks in the near infrared band (1000–2500 nm). We investigate some of structure parameters that influence the fields of surface plasmons (SP) resonances of the nano array structure. By adjusting the relevant structural par
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16

Jacqueline, Sébastien, Catherine Bunel, and Laurent Lengignon. "Enhancement of ESD performances of Silicon Capacitors for RFID solutions." International Symposium on Microelectronics 2020, no. 1 (September 1, 2020): 000085–89. http://dx.doi.org/10.4071/2380-4505-2020.1.000085.

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Abstract Radio-Frequency IDentification devices such as smart cards and RFID tags are based on the presence of a resonant tuned LC circuit associated to the RFID Integrated Circuit (IC). The use of discrete capacitor, external to the IC gives greater flexibility and design freedom. In the race of miniaturization, manufacturers of RFID devices always require smaller electronic components. To save space and in the same time improve performances, capacitors are exposed to height and volume constraints. In the same time, the capacitor has to withstand ESD stresses that can occur during the assembl
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17

Yang, Jianfan, Tian Qin, Fangxing Zhang, Xianfeng Chen, Xiaoshun Jiang, and Wenjie Wan. "Multiphysical sensing of light, sound and microwave in a microcavity Brillouin laser." Nanophotonics 9, no. 9 (June 24, 2020): 2915–25. http://dx.doi.org/10.1515/nanoph-2020-0176.

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AbstractLight, sound, and microwave are important tools for many interdisciplinary applications in a multi-physical environment, and they usually are inefficient to be detected simultaneously in the same physical platform. However, at the microscopic scale, these waves can unexpectedly interact with the same microstructure through resonant enhancement, making it a unique hybrid micro-system for new applications across multiple physical channels. Here we experimentally demonstrate an optomechanical microdevice based on Brillouin lasing operation in an optical microcavity as a sensitive unit to
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18

Grinblat, Gustavo, Haizhong Zhang, Michael P. Nielsen, Leonid Krivitsky, Rodrigo Berté, Yi Li, Benjamin Tilmann, et al. "Efficient ultrafast all-optical modulation in a nonlinear crystalline gallium phosphide nanodisk at the anapole excitation." Science Advances 6, no. 34 (August 2020): eabb3123. http://dx.doi.org/10.1126/sciadv.abb3123.

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High–refractive index nanostructured dielectrics have the ability to locally enhance electromagnetic fields with low losses while presenting high third-order nonlinearities. In this work, we exploit these characteristics to achieve efficient ultrafast all-optical modulation in a crystalline gallium phosphide (GaP) nanoantenna through the optical Kerr effect (OKE) and two-photon absorption (TPA) in the visible/near-infrared range. We show that an individual GaP nanodisk can yield differential reflectivity modulations of up to ~40%, with characteristic modulation times between 14 and 66 fs, when
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19

Ullah, Zaka, Gunawan Witjaksono, Illani Nawi, Nelson Tansu, Muhammad Irfan Khattak, and Muhammad Junaid. "A Review on the Development of Tunable Graphene Nanoantennas for Terahertz Optoelectronic and Plasmonic Applications." Sensors 20, no. 5 (March 4, 2020): 1401. http://dx.doi.org/10.3390/s20051401.

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Exceptional advancement has been made in the development of graphene optical nanoantennas. They are incorporated with optoelectronic devices for plasmonics application and have been an active research area across the globe. The interest in graphene plasmonic devices is driven by the different applications they have empowered, such as ultrafast nanodevices, photodetection, energy harvesting, biosensing, biomedical imaging and high-speed terahertz communications. In this article, the aim is to provide a detailed review of the essential explanation behind graphene nanoantennas experimental proofs
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20

Hamza, A. M., and W. Lyatsky. "The Alfvén resonator revisited." Annales Geophysicae 28, no. 2 (February 2, 2010): 359–66. http://dx.doi.org/10.5194/angeo-28-359-2010.

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Abstract. Two models for a magnetosphere-ionosphere coupling feedback instability in the lower magnetosphere are studied. In both models the instability arises because of the generation of an Alfvén wave from growing arc-like structures in the ionospheric conductivity. The first model is based on the modulation of precipitating electrons by field-aligned currents of the upward moving Alfvén wave (Modulation Model). The second model takes into consideration the reflection of the Alfvén wave from a maximum of the Alfvén velocity at about 3000 km altitude (Reflection Model). The growth of structu
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21

Dwivedi, Ankur, Arnab Banerjee, Sondipon Adhikari, and Bishakh Bhattacharya. "Optimal electromechanical bandgaps in piezo-embedded mechanical metamaterials." International Journal of Mechanics and Materials in Design 17, no. 2 (February 13, 2021): 419–39. http://dx.doi.org/10.1007/s10999-021-09534-0.

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AbstractElastic mechanical metamaterials are the exemplar of periodic structures. These are artificially designed structures having idiosyncratic physical properties like negative mass and negative Young’s modulus in specific frequency ranges. These extreme physical properties are due to the spatial periodicity of mechanical unit cells, which exhibit local resonance. That is why scientists are researching the dynamics of these structures for decades. This unusual dynamic behavior is frequency contingent, which modulates wave propagation through these structures. Locally resonant units in the d
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22

"Finite amplitude thermal convection with spatially modulated boundary temperatures." Proceedings of the Royal Society of London. Series A: Mathematical and Physical Sciences 449, no. 1937 (June 8, 1995): 459–78. http://dx.doi.org/10.1098/rspa.1995.0053.

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Finite amplitude thermal convection in a fluid layer between two horizontal walls with different fixed mean temperatures is considered when spatially modulated temperatures with amplitudes L 1 * and L u * are prescribed at the lower and upper walls, respectively. The nonlinear steady problem is solved by a perturbation technique, and the preferred mode of convection is determined by a stability analysis. In the case of a resonant wavelength excitation, regular or non-regular multi-modal pattern convection can be preferred for some ranges of L 1 * and L u *, provided the wave vectors for such p
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23

Milošević, Milan M., Weining Man, Geev Nahal, Paul J. Steinhardt, Salvatore Torquato, Paul M. Chaikin, Timothy Amoah, Bowen Yu, Ruth Ann Mullen, and Marian Florescu. "Hyperuniform disordered waveguides and devices for near infrared silicon photonics." Scientific Reports 9, no. 1 (December 2019). http://dx.doi.org/10.1038/s41598-019-56692-5.

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AbstractWe introduce a hyperuniform-disordered platform for the realization of near-infrared photonic devices on a silicon-on-insulator platform, demonstrating the functionality of these structures in a flexible silicon photonics integrated circuit platform unconstrained by crystalline symmetries. The designs proposed advantageously leverage the large, complete, and isotropic photonic band gaps provided by hyperuniform disordered structures. An integrated design for a compact, sub-volt, sub-fJ/bit, hyperuniform-clad, electrically controlled resonant optical modulator suitable for fabrication i
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24

Rueda, Alfredo, William Hease, Shabir Barzanjeh, and Johannes M. Fink. "Electro-optic entanglement source for microwave to telecom quantum state transfer." npj Quantum Information 5, no. 1 (November 28, 2019). http://dx.doi.org/10.1038/s41534-019-0220-5.

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AbstractWe propose an efficient microwave-photonic modulator as a resource for stationary entangled microwave-optical fields and develop the theory for deterministic entanglement generation and quantum state transfer in multi-resonant electro-optic systems. The device is based on a single crystal whispering gallery mode resonator integrated into a 3D-microwave cavity. The specific design relies on a new combination of thin-film technology and conventional machining that is optimized for the lowest dissipation rates in the microwave, optical, and mechanical domains. We extract important device
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