搜索结果: 1-15 共查到“光电子技术 Wavelength”相关记录140条 . 查询时间(0.136 秒)
Wavelength-tunable QAM Synthesis by Direct Modulation of Injection-locked Fabry-Perot Semiconductor Lasers
Wavelength-tunable QAM Synthesis Direct Modulation Injection-locked Fabry-Perot Semiconductor Lasers
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2014/11/6
A new scheme for direct and tunable (30nm shown here) QAM synthesis from binary RF data streams is demonstrated with up to 48Gbit/s QPSK, including propagation over 75km SMF-28. Preliminary 16QAM (60G...
200 Gb/s and Dual-Wavelength 400 Gb/s Transmission over Transpacific Distance at 6 b/s/Hz Spectral Efficiency
200 Gb/s Dual-Wavelength 400 Gb/s Transmission over Transpacific Distance 6 b/s/Hz Spectral Efficiency
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2014/11/6
We transmit 106x200 Gb/s channels over 10,290 km at 6.0 b/s/Hz enabled by Nyquist spectral shaping and nonlinearity compensation. We also transmit 53x400 Gb/s channels over 9,200 km detecting two 200 ...
146λ××6××19-Gbaud Wavelength- and Mode-Division Multiplexed Transmission over 10××50-km Spans of FewMode Fiber with a Gain-Equalized Few-Mode EDFA
146λ××6××19-Gbaud Wavelength Mode-Division Multiplexed Transmission over 10××50-km Few Mode Fiber Gain-Equalized Few-Mode EDFA
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2014/11/6
We demonstrate wavelength- and mode-division multiplexed transmission over a fiber re-circulating loop comprising 50-km of low-DMGD few-mode fiber, and an optimized few-mode EDFA with a flat gain spec...
Sensitivity analysis and optimization of sub-wavelength optical gratings using adjoints
Sensitivity analysis sub-wavelength optical gratings
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2015/8/6
Numerical optimization of photonic devices is often limited by a large design space: the finite-differences gradient method requires as many electric field computations as there are design...
Design methodology for compact photonic-crystal-based wavelength division multiplexers
compact photonic-crystal-based wavelength division multiplexers
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2015/8/10
We present an extremely compact wavelength division multiplexer design, as well as a general framework for designing and optimizing frequency selective devices embedded in photonic crystals satisfying...
A Prototype of Signal Degradation Monitor Based on Wavelength Resolved Stokes Vector Analysis Featuring a Function of Identification of the Cause of Degradation
Optical communications Networks
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2015/5/26
We resolved signal degradations due to DGD and OSNR from a single monitor source.We verified a precision of +/-0.2dB of Q-value experimentally with a monitor prototype and 160Gb/s signal.
Propagation Characteristics of Seven-core Fiber for Spatial and Wavelength Division Multiplexed 10-Gbit/s Channels
Fiber measurements Fiber optics communications
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2015/5/26
Propagation characteristics of seven-core fiber were investigated for multiplexed signals of spatial-division and wavelength-division. Effect of chromatic dispersion and inter-core crosstalk were eval...
320 Gb/s Phase-Transparent Wavelength Conversion in a Silicon Nanowire
Fiber optics communications Wavelength conversion devices
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2015/5/25
All-optical wavelength conversion for a 320 Gb/s RZ-DPSK signal is demonstrated based on four wave mixing in a silicon nanowire. BER better than 10 -9 is achieved for the wavelength converted RZ-DPSK ...
OSNR monitoring of a 1.28 Tbit/s signal using a reconfigurable Wavelength Selective Switch
OSNR monitoring reconfigurable Wavelength Selective Switch
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2015/5/25
We demonstrate in-band optical signal to noise monitoring of an 1.28 Tbit/s signal by implementing an interferometer inside a reconfigurable wavelength selective switch based on liquid crystal on sili...
Wavelength selective switching with one-chip silicon photonic circuit including 8 x 8 matrix switch
Optical switching devices Integrated optics devices
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2015/5/25
Polarization-independent wavelength path switching is demonstrated with one-chip silicon photonic circuit including 64 thermo-optical switch elements within 12mm x 3mm. Owing to uniformity, any path c...
Fast Remotely Reconfigurable Wavelength Selective Switch
Photonic integrated circuits Switching Wavelength filtering
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2015/5/25
A remotely reconfigurable wavelength selective switch is proposed which implements label detection and signal gating in the same SOA array. A proof of principle monolithic circuit is presented showing...
4x40 Gb/s All-Optical Wavelength Conversion Using SOAs and Integrated Arrays of Ring Resonators and DIs
Optical communications Wavelength conversion devices
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2015/5/22
We present 4x40Gb/s all-optical wavelength conversion employing SOAs fiber-interconnected with integrated arrays of tunable Si 3 N 4 –SiO 2 micro-ring resonators and delay interferometers. We demonst...
Demonstration of Cascadability and Phase Regeneration of SOA-Based All-Optical DPSK Wavelength Converters
Wavelength conversion devices Semiconductor optical amplifiers
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2015/5/22
We experimentally demonstrate cascadable regeneration of 10Gb/s DPSK signals by using a two-fold cascade of SOA-based wavelength converters. No additional power penalty and 3dB OSNR improvement are ob...
Large-Scale Photonic Integrated Circuit for Multi-Format Regeneration and Wavelength Conversion
Integrated optics devices Nonlinear optical signal processing
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2015/5/22
We demonstrate a large-scale silica-on-silicon photonic integrated circuit with 4 hybridly integrated SOAs for multi-format regeneration and wavelength conversion. Power penalty improvement up to 1.5d...
Phase-Sensitive Wavelength Conversion Based on Cascaded Quadratic Processes in Periodically Poled Lithium Niobate Waveguides
Optical communications Lithium niobate Nonlinear optics parametric processes Nonlinear optical devices
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2015/5/22
We propose and experimentally demonstrate a novel scheme of phase-sensitive wavelength conversion, based on a combination of cascaded second-order nonlinear effects in two cascaded periodically poled ...