搜索结果: 241-255 共查到“光学工程 optical”相关记录1196条 . 查询时间(0.296 秒)
Optical Interface Platform for DRAM Integration
Integrated optics Integrated optics devices
2015/5/22
We present a new bulk-Si optical platform for the optical interfaces toward DRAM integration with localized SOI structure and SPE. The demonstration shows that the waveguide and coupling loss are -0.6...
Frequency conversion of mid-infrared optical signals into the telecom band using nonlinear silicon nanophotonic wires
Integrated optics Wavelength conversion devices Integrated optics Nonlinear
2015/5/22
We demonstrate parametric conversion with simultaneous 19.5dB amplification, of a mid-IR 2440nm signal to the telecom-band near 1620nm, using silicon nanophotonic wires.Conversion over 820nm is facili...
A 10 Gb/s Passive-Components-based WDM-TDM Reconfigurable Optical Access Network Architecture
Optical communications Networks
2015/5/22
We propose a cost-effective, reconfigurable optical access network by employing passive components in the remote node and dual conventional optical transceivers in ONUs. The architecture is demonstrat...
Nonlinearities in Silicon Optical Fibers
Fiber characterization Fiber materials Nonlinear optics fibers
2015/5/22
The nonlinear propagation characteristics in a hydrogenated amorphous silicon core optical fiber are investigated to demonstrate ultra-fast all-optical switching by cross-absorption modulation.
Optical Rogue Waves: Physics and Impact
Pulse propagation temporal solitons Supercontinuum generation
2015/5/22
We review our recent work in the field of optical rogue wave physics and applications.Beginning from a brief survey of the well-known instabilities in optical fiber supercontinuum generation, we trace...
Novel Hierarchical Optical Cross-Connect Architecture Utilizing Dedicated Add/Drop Switches that Effectively Offer Colorless and Directionless Capability
Optical communications Switching circuit
2015/5/22
Hierarchical optical cross-connect architectures based on dedicated add/drop switches for terminating traffic is proposed. The architecture can significantly reduce switch scale for implementing color...
A Novel Optical Burst Ring Network with Optical-Layer Aggregation and Flexible Bandwidth Provisioning
Network ring All-optical networks
2015/5/22
A novel optical burst ring network is proposed by employing fixed-tuned transmitters rather than fast tunable lasers. All-optical traffic aggregation/bypass at network nodes significantly reduces the ...
Optical Switch Architectures for Emerging Colorless/Directionless/Contentionless ROADM Networks
Fiber optics and optical communications Buffers couplers routers switches multiplexers Fiber optics communications Networks wavelength routing
2015/5/22
Next generation reconfigurable architectures are starting to be deployed by carriers worldwide. This paper focuses on emerging Colorless, Directionless and Contentionless (C/D/C)ROADM architectures us...
400 Gb/s optical packet switching node design with coherent detection
optical networks optical communications
2015/5/22
We demonstrate how to realize 400 Gb/s optical packet switching for the first time. The key functions of optical packet generation, label separation, colorless O-OFDM payload detection and wavelength ...
Comparative Studies of All-Optical vs. Electrical vs. Hybrid Switches in Datacom and in Telecom Networks
Networks Optical communications
2015/5/22
This paper compares all-optical, electrical, and hybrid switches in the context of datacenter networks and telecommunication networks. Latency and throughput simulations indicate the advantages of hyb...
Optical I/O for Chip-to-Chip Interconnects on CMOS Platform
Optical interconnects Subsystem integration and techniques Photonic integrated circuits Polymer active devices Modulators Photodetectors
2015/5/22
Optical devices on a CMOS die and package for terabit computing are discussed.200Gbps transmission is accomplished with a 1x10 VCSEL array. CMOS backend compatible modulators and photodetectors are de...
Tunable Slotted Fabry-Pérot Lasers for Agile Optical Networks
Tunable Lasers Fiber Optic Communications Switching, packet
2015/5/21
We present work carried out to examine the characteristics and transmission performance of a three section tunable slotted Fabry-Pérot laser. The low cost laser exhibits many attractive properties inc...
Semiconductor Laser White Noise Suppression by Optical Filtering with Ultra-Narrowband FBG
Semiconductor lasers Fiber Bragg gratings
2015/5/21
The white frequency noise of semiconductor lasers is attenuated significantly by optical filtering with an ultra-narrowband fiber Bragg grating. This noise reduction will improve carrier phase estimat...
A new ultra-high sensitivity, low-power optical receiver based on a decision-feedback equalizer
Fiber optics links and subsystems Fiber optics sources and detectors Optical interconnects
2015/5/21
A decision-feedback equalizer is used to recover data at baud rates far above the bandwidth of a low-noise TIA front-end. The overall 90-nm CMOS DC-coupled clocked receiver has better than -25 dBm pow...
Experimental Study of Polarization-Switched-QPSK Subcarrier Modulation and Iterative Demapping on Optical OFDM Systems
multiplex achieved OCIS codes
2015/5/21
We demonstrate application of polarization-switched-QPSK subcarrier modulation together with soft-FEC LDPC coding and iterative demapping on OFDM lab system. 4.5dB OSNR-sensitivity improvement versus ...