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Journal articles on the topic 'Electro-Optic Phase Modulator'

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1

Amin, Rubab, Can Suer, Zhizhen Ma, et al. "Active material, optical mode and cavity impact on nanoscale electro-optic modulation performance." Nanophotonics 7, no. 2 (2017): 455–72. http://dx.doi.org/10.1515/nanoph-2017-0072.

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AbstractElectro-optic modulation is a key function in optical data communication and possible future optical compute engines. The performance of modulators intricately depends on the interaction between the actively modulated material and the propagating waveguide mode. While a variety of high-performance modulators have been demonstrated, no comprehensive picture of what factors are most responsible for high performance has emerged so far. Here we report the first systematic and comprehensive analytical and computational investigation for high-performance compact on-chip electro-optic modulat
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2

Barbosa, E. A., L. S. Troncoso, and J. Frejlich. "Actively stabilised electro-optic phase modulator." Electronics Letters 31, no. 2 (1995): 127–28. http://dx.doi.org/10.1049/el:19950064.

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3

Robinson, Deborah L. "10-Mbps electro-optic resonant phase modulator." Optical Engineering 32, no. 3 (1993): 458. http://dx.doi.org/10.1117/12.61044.

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4

Tahersima, Mohammad H., Zhizhen Ma, Yaliang Gui, et al. "Coupling-enhanced dual ITO layer electro-absorption modulator in silicon photonics." Nanophotonics 8, no. 9 (2019): 1559–66. http://dx.doi.org/10.1515/nanoph-2019-0153.

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AbstractElectro-optic signal modulation provides a key functionality in modern technology and information networks. Photonic integration has not only enabled miniaturizing photonic components, but also provided performance improvements due to co-design addressing both electrical and optical device rules. The millimeter to centimeter footprint of many foundry-ready electro-optic modulators, however, limits density scaling of on-chip photonic systems. To address these limitations, here we experimentally demonstrate a coupling-enhanced electro-absorption modulator by heterogeneously integrating a
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5

Li, Miaofeng, Xi Xiao, Qi Yang, and Shaohua Yu. "40 Gbaud binary phase shift keying signal modulation using a substrate removed silicon modulator." Modern Physics Letters B 31, no. 19-21 (2017): 1740009. http://dx.doi.org/10.1142/s0217984917400097.

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Substrate removing technique is proposed in silicon Mach–Zehnder modulator (MZM) to improve the electro-optic bandwidth. Based on this technique, a silicon MZM with 3 dB electro-optical bandwidth of 55 GHz is achieved at 5 V reverse bias for the first time. The V[Formula: see text] L of the modulator is 1.3 V[Formula: see text]cm with an on-chip insertion loss of 5.4 dB. The substrate removing technique reduces the electrode transmission loss, achieves the electro-optical group index matching and realizes 50 [Formula: see text] impedance matching, simultaneously. In this work, we experimentall
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6

Nees, J., S. Williamson, and G. Mourou. "100 GHz traveling‐wave electro‐optic phase modulator." Applied Physics Letters 54, no. 20 (1989): 1962–64. http://dx.doi.org/10.1063/1.101185.

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7

Oh, Hyun-Ho, Seh-Won Ahn, and Sang-Yung Shin. "Polarisation-independent phase modulator using electro-optic polymer." Electronics Letters 36, no. 11 (2000): 969. http://dx.doi.org/10.1049/el:20000695.

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8

Mok, C., M. Weel, E. Rotberg, and A. Kumarakrishnan. "Design and construction of an efficient electro-optic modulator for laser spectroscopy." Canadian Journal of Physics 84, no. 9 (2006): 775–86. http://dx.doi.org/10.1139/p06-074.

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We discuss design considerations and construction of a home-built electro-optic phase modulator (EOM) that can be used for locking a laser to an atomic transition. The EOM is designed to operate at a resonant frequency of ≈20 MHz and imposes a phase modulation on a laser beam. The phase-modulated light is sent through a reference cell containing a dilute gas of rubidium atoms. When the laser is scanned over an atomic resonance, the absorption of light through the cell can be detected and mixed down to DC to produce a dispersion shaped “error” signal. The error signal can be used to lock the la
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9

Youen Jiang, Youen Jiang, Xuechun Li Xuechun Li, Shenlei Zhou Shenlei Zhou, Wei Fan Wei Fan, and Zunqi Lin Zunqi Lin. "Microwave resonant electro-optic bulk phase modulator for two-dimensional smoothing by spectral dispersion in SG-II." Chinese Optics Letters 11, no. 5 (2013): 052301–52303. http://dx.doi.org/10.3788/col201311.052301.

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10

Flood, C. J., G. Giuliani, and H. M. van Driel. "Pulsed electro-optic modulation for efficient, active continuous-wave laser mode-locking." Canadian Journal of Physics 71, no. 1-2 (1993): 1–4. http://dx.doi.org/10.1139/p93-001.

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We demonstrated efficient active mode-locking of a Nd:YAG laser using broad bandwidth, pulsed electro-optic modulation. A 10 GHz, LiTaO3 traveling wave phase modulator, driven by 300 ps FWHM electrical pulses with less than 1 mW of drive power, was used to generate detector-limited, mode-locked laser pulses of less than 50 ps duration at 76 MHz. Shorter modulator drive pulses are possible and near bandwidth-limited mode-locked pulses should be attainable. The use of pulsed modulation rather than conventional sinusoidal modulation permits both pulse width and pulse build-up time reductions and
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11

Zhou, Zhi Yuan, Qing Xin Meng, Hao Tian, and Zhong Xiang Zhou. "Optimization for Amplitude Modulator of THz Wave Based on Polymer Waveguide." Applied Mechanics and Materials 378 (August 2013): 322–26. http://dx.doi.org/10.4028/www.scientific.net/amm.378.322.

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The Terahertz modulator based on polymer electro-optic modulation is designed by Macher-Zehnder structure. The ridge waveguide is used to realize TM00 mode transmission, and the Y-branch with double circular arch type is to decrease the loss of transmission in modulator. The transmission of THz is analyzed by the beam propagate method (BPM). The structure parameters of the M-Z modulator, such as the size of ridge waveguide, the type of Y-branch and the optical offset structure for phase, are optimized to realize THz amplitude modulation. The depth of modulation is 83.8% when the applied field
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12

Grice, Warren P., Mitsutoshi Suzuki, and Ian A. Walmsley. "Electro-optic phase modulator as a starting mechanism in Ti:sapphire." Optics Letters 20, no. 14 (1995): 1553. http://dx.doi.org/10.1364/ol.20.001553.

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13

Kumar, Pradeep, and Anil Prabhakar. "Evolution of Quantum States in an Electro-Optic Phase Modulator." IEEE Journal of Quantum Electronics 45, no. 2 (2009): 149–56. http://dx.doi.org/10.1109/jqe.2008.2002673.

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14

Kim, Seong-Ku, W. Yuan, K. Geary, et al. "Electro-optic phase modulator using metal-defined polymer optical waveguide." Applied Physics Letters 87, no. 1 (2005): 011107. http://dx.doi.org/10.1063/1.1991998.

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15

Kolner, Brian H. "Active pulse compression using an integrated electro‐optic phase modulator." Applied Physics Letters 52, no. 14 (1988): 1122–24. http://dx.doi.org/10.1063/1.99181.

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16

K. Receveur, K. Receveur, K. Wei K. Wei, M. Hadjloum M. Hadjloum, et al. "Sensitivity improvement of broadband electro-optic polymer-based optical phase modulator using 1D and 2D photonic crystal structures." Chinese Optics Letters 15, no. 1 (2017): 010003–10007. http://dx.doi.org/10.3788/col201715.010003.

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17

Tang, Jie, Long-De Wang, Ruo-Zhou Li, Qiang Zhang, and Tong Zhang. "Low half-wave voltage Y-branch electro-optic polymer modulator based on side-chain polyurethane-imide." Modern Physics Letters B 30, no. 17 (2016): 1650228. http://dx.doi.org/10.1142/s0217984916502286.

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A Y-branch electro-optic (EO) polymer modulator has been designed and fabricated. High performance side-chain polyurethane-imide (PUI) with a high EO coefficient of larger than 50 pm/V and a moderate glass-transition temperature [Formula: see text] of 206[Formula: see text]C is used as EO polymer core layer of the modulator. The fabricated phase modulator exhibits a low half-wave voltage of 1.94 V at 1550 nm in single arm modulation with 1 cm EO interaction length and 2 cm total length. The results show that the modulator fabricated by side-chain PUI EO materials possesses potential applicatio
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18

Skalský, Michal, Zdeněk Havránek, and Jiří Fialka. "Efficient Modulation and Processing Method for Closed-Loop Fiber Optic Gyroscope with Piezoelectric Modulator." Sensors 19, no. 7 (2019): 1710. http://dx.doi.org/10.3390/s19071710.

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This paper presents a simple method for compensating the Sagnac phase shift in an interferometric fiber-optic gyroscope (I-FOG) with a piezoelectric modulator. The common advantages of I-FOGs with closed-loop compensation are linearized output characteristics and insensitivity to the light source power, including its time and thermal-induced fluctuations. Whereas closed-loop operation is normally achieved via ramp modulation requiring an electro-optic modulator, all-fiber architectures with a piezoelectric modulator are mostly limited to open loop. Nevertheless, such setups can more convenient
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19

Alsowaidi, Naif, Tawfig Eltaif, Mohd Ridzuan Mokhtar, and Belal A. Hamida. "Reduction of Four-Wave Mixing in DWDM System using Electro-Optic Phase Modulator." International Journal of Electrical and Computer Engineering (IJECE) 8, no. 4 (2018): 2384. http://dx.doi.org/10.11591/ijece.v8i4.pp2384-2389.

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<span>In this paper, electro-optic phase modulator (EOPM) is used to reduce the effect of four-wave mixing (FWM), which is placed after 64 DWDM-channels multiplexer. It was found that the FWM is very sensitive to the phase deviation of the EOPM, and it can be reduced by introducing a phase shift between pulses. The simulation results confirmed the ability of the EOPM in improving the system performanceas indicated by the bit error rates. In term of comparison, the system of 64 channels based intensity modulated/ direct detection (IM/DD) transmission achieved bit error rate of 10<sup&g
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20

Macario, J., Peng Yao, R. Shireen, C. A. Schuetz, Shouyuan Shi, and D. W. Prather. "Development of Electro-Optic Phase Modulator for 94 GHz Imaging System." Journal of Lightwave Technology 27, no. 24 (2009): 5698–703. http://dx.doi.org/10.1109/jlt.2009.2035641.

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21

Lee, B. Y., T. Kobayashi, A. Morimoto, and T. Sueta. "Velocity matched electro-optic phase modulator for wide optical sideband generation." Electronics Letters 28, no. 3 (1992): 330. http://dx.doi.org/10.1049/el:19920205.

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22

Cusack, Benedict J., Benjamin S. Sheard, Daniel A. Shaddock, Malcolm B. Gray, Ping Koy Lam, and Stan E. Whitcomb. "Electro-optic modulator capable of generating simultaneous amplitude and phase modulations." Applied Optics 43, no. 26 (2004): 5079. http://dx.doi.org/10.1364/ao.43.005079.

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23

Mikaelian, T., M. Weel, A. Kumarakrishnan, P. R. Battle, and R. C. Swanson. "A high-speed retro-reflector for free-space communication based on electro-optic phase modulation." Canadian Journal of Physics 81, no. 4 (2003): 639–50. http://dx.doi.org/10.1139/p03-051.

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We demonstrate that an electro-optic phase modulator (EOM) can be used as a constituent of a corner-cube-based modulated high-speed retro-reflector. We performed experiments to investigate the efficiency of the phase modulation produced by an EOM as a function of the angle of a laser beam incident on it. Our experiments demonstrate that the field of view of the EOM is determined by its dimensions and the diameter of the laser beam. This suggests that the device may be suitable for applications involving high-speed (GHz), free-space communication. In these applications, the retro-reflector can
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24

Guo, Dong Mei, and Ming Wang. "Self-Mixing Interferometer Based on Four-Bucket Integration Technique for Micro-Displacement Measurement." Key Engineering Materials 381-382 (June 2008): 53–56. http://dx.doi.org/10.4028/www.scientific.net/kem.381-382.53.

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A novel self-mixing interference signal analysis method is proposed based on the use of an electro-optic modulator (EOM). Self-mixing interference occurs in the laser cavity by reflecting the light from a mirror-like target in front of the laser. Sinusoidal phase modulation of the beam is obtained by an EOM in the external cavity. The phase of the interference signal is calculated by four-bucket integration technique. The interferometer is applied to measure the displacement of a high-precision commercial PZT with an accuracy of a few nanometers.
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25

Singh, Mandeep, Sanjeev Kumar Raghuwanshi, and T. Srinivas. "Nanophotonic on-chip hybrid plasmonic electro-optic modulator with phase change materials." Physics Letters A 383, no. 25 (2019): 3196–99. http://dx.doi.org/10.1016/j.physleta.2019.07.004.

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26

Hojo, Naoya, Tomohiro Amemiya, Kazuto Itoh, et al. "Analysis of plasmonic phase modulator with furan–thiophene chromatophore electro-optic polymer." Applied Optics 56, no. 8 (2017): 2053. http://dx.doi.org/10.1364/ao.56.002053.

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27

Wang, Wenshen, Datong Chen, Harold R. Fetterman, Yongqiang Shi, William H. Steier, and Larry R. Dalton. "Traveling wave electro‐optic phase modulator using cross‐linked nonlinear optical polymer." Applied Physics Letters 65, no. 8 (1994): 929–31. http://dx.doi.org/10.1063/1.112152.

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28

Zeng, Fei, and Jianping Yao. "All-optical bandpass microwave filter based on an electro-optic phase modulator." Optics Express 12, no. 16 (2004): 3814. http://dx.doi.org/10.1364/opex.12.003814.

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29

Westreich, Ohad, Gil Atar, Yossi Paltiel, and Noam Sicron. "Reducing Optical Losses in GaN Waveguides - Toward an Electro-Optic Phase Modulator." physica status solidi (a) 215, no. 9 (2018): 1700551. http://dx.doi.org/10.1002/pssa.201700551.

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30

Toyoda, S., K. Fujiura, M. Sasaura, et al. "KTN-crystal-waveguide-based electro-optic phase modulator with high performance index." Electronics Letters 40, no. 13 (2004): 830. http://dx.doi.org/10.1049/el:20040518.

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31

Murata, H., S. Matsunaga, A. Enokihara, and Y. Okamura. "Resonant electrode guided-wave electro-optic phase modulator using polarisation-reversal structures." Electronics Letters 41, no. 8 (2005): 497. http://dx.doi.org/10.1049/el:20058320.

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32

Minoni, U., E. Sardini, E. Gelmini, F. Docchio, and D. Marioli. "A high‐frequency sinusoidal phase‐modulation interferometer using an electro‐optic modulator: Development and evaluation." Review of Scientific Instruments 62, no. 11 (1991): 2579–83. http://dx.doi.org/10.1063/1.1142233.

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33

NORWOOD, R. A., C. DEROSE, Y. ENAMI, et al. "HYBRID SOL-GEL ELECTRO-OPTIC POLYMER MODULATORS: BEATING THE DRIVE VOLTAGE/LOSS TRADEOFF." Journal of Nonlinear Optical Physics & Materials 16, no. 02 (2007): 217–30. http://dx.doi.org/10.1142/s0218863507003706.

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There has been great progress in the development of electro-optic (EO) polymers with exceptionally high r33 coefficients, with values ranging from 100–400 pm/V now being reported for single layer electro-optic polymer films. While this enables the fabrication of EO modulators with sub-volt operation, it is also necessary to make devices with acceptably low insertion loss (< 6 dB) in order to compete with existing technology. We have developed a solution to the voltage/insertion loss tradeoff in EO polymer modulators by adopting a hybrid geometry that provides for low optical coupling loss,
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34

Li, Jianqiang, Kun Xu, Jian Wu, and Jintong Lin. "Microwave photonic filter with negative coefficients based on counter-phase modulation using a single electro-optic phase modulator." Optics Communications 282, no. 5 (2009): 845–48. http://dx.doi.org/10.1016/j.optcom.2008.11.014.

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35

Wang, Ying Li, Li Yong Ren, Jin Tao Xu, et al. "The Compensation of Y Waveguide Temperature Drifts in FOG with the Thermal Resistor." Advanced Materials Research 924 (April 2014): 336–42. http://dx.doi.org/10.4028/www.scientific.net/amr.924.336.

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The lithium niobate integrated optical phase modulator (Y waveguide) is the key device in the digital closed-loop fiber optic gyroscope. However, the half-wave voltage of the lithium niobate changes with the environment temperature, which produces the phase bias drift and ultimately decreases the accuracy of FOG. In this manuscript, the thermal resistor is introduced in the amplification part in the driving circuits of Y waveguide. Due to the characteristic of the thermal resistor, the magnitude of driving voltage on Y waveguide changed with temperature to compensate the electro-optic effects
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36

Le Gouët, J., J. Kim, C. Bourassin-Bouchet, M. Lours, A. Landragin, and F. Pereira Dos Santos. "Wide bandwidth phase-locked diode laser with an intra-cavity electro-optic modulator." Optics Communications 282, no. 5 (2009): 977–80. http://dx.doi.org/10.1016/j.optcom.2008.11.055.

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37

Chao, C. H., P. Y. Chien, L. W. Chang, F. Y. Juang, C. H. Hsia, and C. C. Chang. "Interferometric phase locking of two electronic oscillators with a cascade electro-optic modulator." Optics Letters 18, no. 2 (1993): 131. http://dx.doi.org/10.1364/ol.18.000131.

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38

Hinakura, Yosuke, Hiroyuki Arai, and Toshihiko Baba. "64 Gbps Si photonic crystal slow light modulator by electro-optic phase matching." Optics Express 27, no. 10 (2019): 14321. http://dx.doi.org/10.1364/oe.27.014321.

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39

Rogers, C. E., J. L. Carini, J. A. Pechkis, and P. L. Gould. "Creation of arbitrary time-sequenced line spectra with an electro-optic phase modulator." Review of Scientific Instruments 82, no. 7 (2011): 073107. http://dx.doi.org/10.1063/1.3611005.

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40

Ji, Lanting, Wei Chen, Yang Gao, et al. "Low-power electro–optic phase modulator based on multilayer cgraphene/silicon nitride waveguide." Chinese Physics B 29, no. 8 (2020): 084207. http://dx.doi.org/10.1088/1674-1056/ab943b.

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41

Lloret, J., R. Kumar, S. Sales, et al. "Ultracompact electro-optic phase modulator based on III-V-on-silicon microdisk resonator." Optics Letters 37, no. 12 (2012): 2379. http://dx.doi.org/10.1364/ol.37.002379.

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42

Mahrous, Hany, Mostafa Fedawy, Mona El Sabbagh, W. Fikry, and Michael Gad. "Design of a 90 GHz SOI Fin Electro-Optic Modulator for High-Speed Applications." Applied Sciences 9, no. 22 (2019): 4917. http://dx.doi.org/10.3390/app9224917.

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Introducing high speed networks, such as the fifth generation of mobile technology and related applications including the internet of things, creates a pressing demand for hardware infrastructure that provides sufficient bandwidth. Here, silicon-based microwave-photonics presents a solution that features easy and inexpensive fabrication through a mature platform that has long served the electronics industry. In this work, the design of an electro-optic modulator is proposed where the ‘fin’ structure is adopted from the domain of electronics devices, with emphasis on the high speed of operation
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43

Li, Kewu, Shuang Wang, Xie Han та Zhibin Wang. "Dispersion Measurement of Electro-Optic Coefficient γ22 of Lithium Niobate Based on Photoelastic Modulation". Applied Sciences 10, № 1 (2020): 395. http://dx.doi.org/10.3390/app10010395.

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A novel method for determining the electro-optic (EO) coefficient γ 22 of lithium niobate and its dispersion using photoelastic modulation is presented. A spectroscopic polarimetry was constructed with the photoelastic modulator (PEM), and a monochromator was selected to automatically scan the wavelength of a light source. Phase retardation induced by an EO sample was loaded into the modulation signals to demodulate the EO coefficients. The PEM and data processing were controlled in the same field programmable gate array (FPGA), and the DC and harmonic terms were extracted simultaneously by em
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44

Chien, Pie-Yau, and Chen-Hsing Chao. "Interferometric Phase-Locking of Two Electronic Oscillators Based on a Cascade Electro-Optic Modulator." Japanese Journal of Applied Physics 32, Part 2, No. 3B (1993): L414—L416. http://dx.doi.org/10.1143/jjap.32.l414.

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45

Hui, Xiaonan, Shilie Zheng, Jinhai Zhou, et al. "Electro-optic modulator feedback control in phase-sensitive optical time-domain reflectometer distributed sensor." Applied Optics 52, no. 35 (2013): 8581. http://dx.doi.org/10.1364/ao.52.008581.

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46

Xu, Mu, Fei Li, Tao Wang, et al. "Design of an Electro-Optic Modulator Based on a Silicon-Plasmonic Hybrid Phase Shifter." Journal of Lightwave Technology 31, no. 8 (2013): 1170–77. http://dx.doi.org/10.1109/jlt.2013.2244848.

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47

Li, Song, Fei Yi, Xianmin Zhang, and Shilie Zheng. "Optimized electrode structure for a high-Q electro-optic microdisk-based optical phase modulator." Microwave and Optical Technology Letters 49, no. 2 (2006): 313–16. http://dx.doi.org/10.1002/mop.22114.

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48

Häring, U., W. A. Kreiner, G. Magerl, and W. Schupita. "Side-band spectroscopy in the visible with a tunable modulator." Canadian Journal of Physics 73, no. 7-8 (1995): 452–57. http://dx.doi.org/10.1139/p95-065.

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Phase modulation at microwave frequencies has been applied to the radiation of a cw (continuous wave) ring dye laser to observe side-band spectra. To do this, use was made of the electro-optic effect in a lithium tantalate bulk crystal. This spectroscopic technique allows relative frequencies to be determined instead of the more usual wavelengths. By scanning spectra simultaneously with two different side bands and superimposing them on the same recording, we were able to determine the frequency separation of hyperfine components for several iodine transitions. The design of the modulator allo
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49

Enbutsu, Koji, Takeshi Umeki, Osamu Tadanaga, Masaki Asobe, and Hirokazu Takenouchi. "Integrated quasi-phase-matched second-harmonic generator and electro-optic phase modulator for low-noise phase-sensitive amplification." Optics Letters 40, no. 14 (2015): 3336. http://dx.doi.org/10.1364/ol.40.003336.

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50

Pogorelaya, D. A., M. A. Smolovik, V. E. Strigalev, A. S. Aleynik, and I. G. Deyneka. "An investigation of the influence of residual amplitude modulation in phase electro-optic modulator on the signal of fiber-optic gyroscope." Journal of Physics: Conference Series 735 (August 2016): 012040. http://dx.doi.org/10.1088/1742-6596/735/1/012040.

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