搜索结果: 1-15 共查到“工学 Modulators”相关记录20条 . 查询时间(0.15 秒)
Equalization of modal dispersion in multimode fiber using spatial light modulators
Intersymbol interference the modal dispersion multimode optical fiber communication system
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2015/8/11
Intersymbol interference (ISI) due to modal dispersion is the dominant limitation to the bit rate-distance product in multimode fiber-optic communication systems. If the light launched into the fiber ...
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators for Advanced Hybrid High-Capacity Transmitter Boards
Monolithic 100 Gb/s Twin-IQ Mach-Zehnder Modulators Advanced Hybrid High-Capacity Transmitter Boards
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2015/5/20
Development and characterization of monolithic, flip-chip compatible 2x50 Gb/s twin-IQ DQPSK MZ modulator chips - capable for hybrid assembly onto planar optical boards of advanced Tbit-capacity trans...
40G RZ-DQPSK Transmitter Monolithically Integrated with Tunable DFB Laser Array and Mach-Zehnder Modulators
40G RZ-DQPSK Transmitter Monolithically Integrated Tunable DFB Laser Array Mach-Zehnder Modulators
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2015/5/20
A 40G RZ-DQPSK transmitter monolithically integrated with a tunable DFB laser array and Mach-Zehnder modulators was developed for the first time. The optical waveform of 40Gb/s DQPSK was successfully ...
Comparison of Two CS-SSB Modulators Used in Bidirectional Carrier Distributed Long-Reach Passive Optical Network
Two CS-SSB Modulators Carrier Distributed Reach Passive Optical Network
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2015/5/18
Two different CS-SSB modulators based on Mach-Zehnder structure used in carrier-distributed long-reach passive optical networks are investigated and compared. The Rayleigh-backscattering beat noise to...
Remote Amplified Modulators:Key Components for 10 Gb/s WDM PON
Amplified Modulators Key Components WDM PON
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2015/6/10
Amplified electro-absorption modulators provide a realistic solution for colorless 10 Gb/s uncooled ONUs. Being compatible with current packaging technologies they will bring the required cost reducti...
1650-km transmission of 50-Gb/s NRZ and RZ-DQPSK signals generated using an electroabsorption modulators- silica planar lightwave circuit hybrid integrated device
Fiber optics and optical communications Integrated optoelectronic circuits
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2015/6/5
We demonstrate long-haul transmission of 50-Gb/s RZ and NRZ-DQPSK signals generated using an electroabsorption-based optical vector modulator. Transmission over 1650 km is achieved with less than 1.2 ...
Power Penalty Measurement and Frequency Chirp Extraction in Silicon Microdisk Resonator Modulators
Integrated Optical Devices Modulators Resonators
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2015/6/5
We demonstrate 5Gbs and10Gbs error free operation of silicon photonic microdisk resonant modulators to a distance of 70km, measure dispersion power penalties and compare the experimental results with ...
An Optical Differential 8-PSK Modulator Using Cascaded QPSK Modulators
Optical Differential 8-PSK Modulator Cascaded QPSK Modulators
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2015/7/17
A new optical D8PSK modulator implementation is proposed. The proposed scheme removes the need for precise driving signal voltage control. Simulation results show the scheme enables modulation signal ...
64QAM Modulator with a Hybrid Configuration of Silica PLCs and LiNbO 3 Phase Modulators for 100-Gb/s Applications
64QAM Modulator Hybrid Configuration Silica PLCs LiNbO 3 Phase Modulators for 100-Gb/s Applications
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2015/7/14
We demonstrate an optical 64QAM modulator operating at 60 Gb/s (with single polarization).Asymmetric couplers and an array of 12 high-speed phase modulators are integrated with a hybrid configuration ...
Guided-Wave Electro-Optic Single Side-Band Modulators by Use of Polarization-Reversed Structures
Electro-optic modulator Polarization-reversal Optical waveguide
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2009/6/8
Novel guided-wave electro-optic (EO) single side-band (SSB) modulators by using periodically polarization-reversed structures are proposed and demonstrated. Adopting the polarization-reversal schemes ...
Developments in Gigascale Silicon Optical Modulators Using Free Carrier Dispersion Mechanisms
Gigascale Silicon Optical Modulators Carrier Dispersion Mechanisms
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2009/5/19
This paper describes the recent advances made in silicon optical modulators employing the free carrier dispersion effect, specifically those governed by majority carrier dynamics. The design, fabricat...
A New Approach to Design Low Power Continues-Time Sigma-Delta Modulators
Sigma-delta modulator Current-mode Nonlinear Transconductance
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2010/2/2
This paper presents the design of a low power
second-order continuous-time sigma-delta modulator for low power
applications. The loop filter of this modulator has been implemented
based on the nonl...
Electrooptic Modulators with Controlled Frequency Responses by Using Nonperiodically Polarization-Reversed Structure
Polarization-Reversed Structure Electrooptic Modulators
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2008/10/31
We discuss a new method to design traveling-wave electrooptic modulators with controlled frequency responses using nonperiodically polarization-reversed structure. Using our method, the frequency resp...
80-Gb/s RZ-OOK generation using hybrid photonic-integrated electroabsorption modulators and 40G electronics
RZ-OOK hybrid photonic-integrated electroabsorption modulators electronics
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2015/8/6
We report generation of 80-Gb/s RZ-OOK signals using a hybrid photonic integrated electroabsorption device. We achieve this using electronics having a bandwidth of 40 GHz or less and without using an ...
Direct measurement of amplitude and phase temporal responses of ultrahigh-speed optical modulators
amplitude phase temporal responses ultrahigh-speed optical modulators
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2015/7/31
We demonstrate a direct measurement of the complex ultra-fast temporal response of optical modulators (with a bandwidth ～ 40GHz in the reported example) enabling real-time characterization of instant...