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Electro-optic devices: Modulators and switches

Efficient Role of Electro-optic Modulators in Lightwave Optical Access Communication Networks

Efficient Role of Electro-optic Modulators in Lightwave Optical Access Communication Networks

... Electrooptic devices, electrooptic modulation, optical polymers, Lithium niobat, slab and rib ...fiber optic systems which include light sources such as a laser, optical fiber, integrated optical components ...

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Modeling of scattering and depolarizing electro-optic devices. I. Characterization of lanthanum-modified lead zirconate titanate

Modeling of scattering and depolarizing electro-optic devices. I. Characterization of lanthanum-modified lead zirconate titanate

... modeling electro-optic ~EO! devices, such as lanthanum-modified lead zirconate titanate polarization modulators, that resolves two deficiencies of current methods: ~i! the inclusion of ...

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Design of phase change Ge2Sb2Te5 based on-off electro-optic switch

Design of phase change Ge2Sb2Te5 based on-off electro-optic switch

... Several electro-optic devices based on the phase change material Ge 2 Sb 2 Te 5 , commonly known as GST, have been reported have better optical performance than the VO 2 [1], ...These devices ...

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Antenna-coupled mm-wave electro-optic modulators and linearized electro-optic modulators

Antenna-coupled mm-wave electro-optic modulators and linearized electro-optic modulators

... In the proposed structure, however, the modulating signal propagates in the substrate as a guided wave. This requires a feed structure in the same plane as the modulat[r] ...

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Simulation of Electro-Optic Modulators by a Time-Domain Beam-Propagation Method

Simulation of Electro-Optic Modulators by a Time-Domain Beam-Propagation Method

... Typical geometries and materials used for TW-EOMs have been discussed in Section 1.1.1. In summary, the materials are dielectrics with slightly higher re- fractive index in the core layer than in the cladding layers, and ...

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Design Considerations for Electro Optic Absorption Modulators In Optical Fiber Transmission Systems

Design Considerations for Electro Optic Absorption Modulators In Optical Fiber Transmission Systems

... Semiconductor modulators mainly used as electro- absorption (EA) modulators are one of the important devices playing a role as key components of this new ...EA modulators integrated ...

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Partial discharge on line monitoring for HV cable systems using electro optic modulators

Partial discharge on line monitoring for HV cable systems using electro optic modulators

... ( ) A technique for the remote inspection and monitoring of partial discharge PD activity using an optical network is described. The network uses a LiNbO modula- 3 tor to modulate the intensity of the transmitted laser ...

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Optical Signal Processing Through Efficient Electro Optic Modulators in Advanced Optical Communication Networks Under Thermo-optic Effects

Optical Signal Processing Through Efficient Electro Optic Modulators in Advanced Optical Communication Networks Under Thermo-optic Effects

... optical modulators [3], SiGe photodetectors [4], silicon Raman lasers [5], silicon optical amplifiers [6], silicon wavelength converters [7], and hybrid silicon ...optical modulators are one of the key ...

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A Guide to Acousto-Optic Modulators

A Guide to Acousto-Optic Modulators

... Acousto-optic modulators (AOMs) are useful devices which allow the fre- quency, intensity and direction of a laser beam to be ...these devices incoming light Bragg diffracts off acoustic ...

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Electro-optic adaptive microlens

Electro-optic adaptive microlens

... first devices it was found that the metal 2 layer had a surface roughness that was too large and the variation in surface height of the pixel due to the contacts resulted in large optical path ...

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Silicon electro optic modulator

Silicon electro optic modulator

... silicon electro-optic modulators as the key component in this system has been widely studied in the past few ...silicon electro-optic modulators are based on the free carrier ...

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2 The Electro-Optic Modulator Properties

2 The Electro-Optic Modulator Properties

... Keywords– Electro-optic modulator, linear behavior, second harmonic detection, temperature control, digital PID ...An electro-optic modula- tor (EOM) is used for modulating the intensity of ...

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Transmission Characteristic Simulation of High Frequency Acousto Optic Modulators

Transmission Characteristic Simulation of High Frequency Acousto Optic Modulators

... The field of acousto-optics is describing the effect of light-sound interaction, which occurs because a sound wave induces localized refractive index variations in the medium through which it travels. This interaction is ...

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Lanthanide-assisted deposition of strongly electro-optic PZT thin films on silicon: toward integrated active nanophotonic devices

Lanthanide-assisted deposition of strongly electro-optic PZT thin films on silicon: toward integrated active nanophotonic devices

... and electro-optical properties of the thin films depend strongly on the crystal ...electrical devices, but often such layers cannot be used for electro-optical devices because the optical ...

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Novel Design and Modeling of High Performance Broadband integrated GaAs Electro-Optic Absorption Modulators in Advanced High Speed Switching Optical Communication Systems

Novel Design and Modeling of High Performance Broadband integrated GaAs Electro-Optic Absorption Modulators in Advanced High Speed Switching Optical Communication Systems

... An electro-absorption modulator is very attractive because it has some advantages of not only low chirp and small size but also the elimination of polarization control through monolithic integration with a ...

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Physics and Applications of Microresonator Solitons and Electro-optic Frequency Combs

Physics and Applications of Microresonator Solitons and Electro-optic Frequency Combs

... Figure 8.4: Optical spectrum of EO frequency comb. The parameters of intensity modulators are optimized using the method in main text. The modulation frequency is 10 GHz. The linear chirp of modulation sidebands ...

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Tunable electro-optic thin film stack for hyperspectral imaging

Tunable electro-optic thin film stack for hyperspectral imaging

... light modulators [97], displays [98] switchable windows [99] and numerous other ...the electro-optic properties of these devices has been a matter of research especially in terms reducing the ...

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Deposited silicon high-speed integrated electro-optic modulator

Deposited silicon high-speed integrated electro-optic modulator

... micrometer-scale electro-optic modulator operating at ...optical devices in a deposited microelectronic material can break the dependence on the traditional single layer silicon-on-insulator platform ...

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Modelling and characterization of a travelling-wave electro-optic modulator on InP

Modelling and characterization of a travelling-wave electro-optic modulator on InP

... speed modulators are of great interest for 40 Gb/s trans- mission systems and ...wave modulators (Walker, 1991) are not limited in frequency by the RC time ...Zehnder modulators on ...these ...

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Investigation of quadratic electro optic effects and electro absorption process in GaN/AlGaN spherical quantum dot

Investigation of quadratic electro optic effects and electro absorption process in GaN/AlGaN spherical quantum dot

... Quadratic electro-optic effects; Third-order susceptibility; Spherical quantum dot; Relaxation time Background Semiconductor quantum dots with their excellent opto- electronic properties are now mostly used ...

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