搜索结果: 76-90 共查到“光学仪器及技术 Optical”相关记录194条 . 查询时间(0.102 秒)
High-Speed Optical Transceiver and Systems for Optical Interconnects
Optical devices Optical interconnects
2010/6/9
Demand for higher data throughput and higher interconnect densities in servers and routers for IT network systems is growing quickly. Optical interconnects have both speed and high-density. There are ...
Monolithically Integrated InP Wafer-Scale 100-Channel × × 10-GHz AWG and Michelson Interferometers for 1-THz- Bandwidth Optical Arbitrary Waveform Generation
Integrated optics devices Semiconductors
2010/6/8
We discuss monolithic integration of a 100-channel AWG with a 10-GHz channel spacing with 100 Michelson-interferometer-based phase- and amplitude-modulators. The AWG showed approximately 10 dB crossta...
A Dual-Peak Optical Demultiplexer in 60GHz-band Radio over Fiber Systems
Multiplexing Fiber Bragg gratings
2010/6/8
A dual-peak optical demultiplexer based on sampled and phase-shifted fiber Bragg grating was proposed and the impact of group delay is discussed. The demultiplexer is experimentally demonstrated and a...
Symmetry-induced Dispersion and performance penalty in Coupled Resonator Optical Waveguides
Micro-optical devices Coupled resonators
2010/6/8
We show that for fundamental reasons, microdisk based CROWs possess two non-degenerate transmission modes, making their long-planned use in optical communications highly challenging. Interference betw...
Investigation of Spectral Efficient Modulation Formats for 400Gbit/s/port Optical Packet Switched System
Switching Packet Optical communications
2010/6/8
We investigate the performance of NRZ-OOK, NRZ-DPSK, NRZ-DQPSK, NRZ-8PSK and NRZ-16-QAM modulation and their influence to an optical packet switched systems (OPS) performance.The aim was to demonstrat...
All-optical label processing in optical packet switched networks
Switching packet Optical processing Wavelength filtering devices
2010/6/8
We present a data-format transparent all-optical label processing system suitable for photonic integration that requires N active device to process 2 N addresses. We demonstrate error-free all-optical...
Highly Efficient Columnar-Quantum-Dot Semiconductor Optical Amplifier in High Temperature Condition
Semiconductor optical amplifiers Quantum dot devices
2010/6/8
A less temperature dependent columnar-quantum-dot semiconductor optical amplifier(CQD-SOA) with high efficiency is developed. At 50°C, a high penalty-free output power of~12 dBm together with a high g...
All-Order Polarization Mode Dispersion (PMD) Compensation in 10Gbit/s×4 OTDM System via Hyperfine Resolution Optical Pulse Shaper
Fiber Optics Communications Polarization Fiber optics components Fiber optics sensors
2010/6/8
We experimentally demonstrate optical compensation of all-order polarization mode dispersion with >50ps mean differential group delay in a 10Gbit/s×4 OTDM system using an optical pulse shaper with 1.6...
We demonstrate fast endless optical polarization control for instrumentation,polarization demultiplexing and PMD compensation. Mean/max polarization error is 0.077/0.197 rad during 30 minutes at up to...
Electro-Optical Synchronization System with Femtosecond Precision
Dispersion compensation devices Femtosecond phenomena
2010/6/8
A novel system for the RF synchronization is presented. It makes use of standard, commercially-available telecommunication optical components. The added timing jitter of 5 fs RMS has been measured on ...
Linear Coherent Optical Receivers
Integrated optoelectronic circuits Coherent communications Phase modulation Fiber optics links and subsystems
2010/6/8
The development of linear coherent receivers at UCSB is reviewed. The progression of the feedback receiver architecture toward closer integration, lower feedback delay and higher performance is outlin...
Widely-Tunable, Multi-Wavelength Short Wave Infrared Light Source based on Fiber Optical Parametric Oscillator
Parametric oscillators amplifiers Lasers fiber
2010/6/8
We demonstrate a fiber-optical-parametric-oscillator-based multi-wavelength pulse source operating at 1.9 μm. Multiple time- and wavelength-distinct pulse seeds were used to cover wavelength range fro...
The Transition to Chip-level Optical Interconnects
Optical Interconnects Photonic Integrated Circuits
2010/6/8
The increasing bandwidth demands of computing chips have spawned significant research into chip-scale photonic interconnects. We review the DARPA-sponsored efforts at the inter- and intra-chip interco...
50-Wavelength Channel-by-Channel Tunable Optical Dispersion Compensator Using Combination of Arrayed-Waveguide and Bulk Gratings
Dispersion compensation devices Waveguides planar Gratings Spatial light modulators
2010/6/8
We propose a novel optical configuration for a channelized tunable optical dispersion compensator (TODC) with channel-by-channel operation across entire the L-band. The TODC consists of a cyclic frequ...
Silicon Quantum Well Light-Emitter for Optical Interconnections
Quantum dot devices Light-emitting diodes Microcavity devices
2010/6/8
We have developed all-silicon based light-emitter for optical interconnections. The relatively short florescent lifetime of 4.2 ns in a silicon quantum well makes direct modulations at 10 Mbps accessi...