搜索结果: 1-7 共查到“光计算 Systems”相关记录7条 . 查询时间(0.252 秒)
Wavelength-Striped Multicasting of Optically-Connected Memory for Large-Scale Computing Systems
Optical interconnects Networks multicast Optics in computing
2011/5/26
We demonstrate the broadband multicasting of optically-connected memory between multiple SDRAM nodes and an emulated microprocessor on an optical network test-bed. 4×2.5-Gb/s wavelength-striped memory...
Experimental Study of Polarization-Switched-QPSK Subcarrier Modulation and Iterative Demapping on Optical OFDM Systems
multiplex achieved OCIS codes
2011/5/21
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 ...
Digital Lightpath Label Transcoding for Dual-Polarization QPSK Systems
Digital Lightpath Label Transcoding QPSK System
2011/5/15
We introduce digital lightpath labeling for DP-QPSK transmission, using novel binary encoding to embed a polarization-shift-keyed subchannel. An integrated inline polarimeter powers a compact label re...
Optimization of Carrier Phase Estimation for 112 Gbit/s PM-QPSK Systems
Gbit/s PM-QPSK System Optimization Carrier Phase
2011/5/15
For 112 Gbit/s PM-QPSK systems, the residual phase noise auto-correlation function with a lag of N can serve as a suitable monitor signal for optimizing the averaging in carrier phase estimation algor...
Pseudo-Newton based Equalization Algorithms for QAM Coherent Optical Systems
Coherent communications Optical communications
2010/6/8
In 112Gbit/s optical coherent transmission context, we propose decision-directed and blind adaptive equalizers using variable step size suitable for 16-QAM. The considered algorithms offer better stea...
Demonstration of 10.3-Gbit/s Burst-mode CDR employing 0.13 um SiGe BiCMOS Quad-rate sampling IC and Data-phase decision-algorithm for 10Gbps-based PON Systems
Burst-mode CDR SiGe BiCMOS Quad-rate sampling IC Data-phase decision-algorithm PON Systems
2008/8/6
We present a new 10Gbps-based PON burst-mode CDR with a 0.13 um BiCMOS quad-rate sampling IC and decision-algorithm for optimum recovery-data selection.Instantaneous burst-mode recovery of the first b...
A Stratified Sampling Monte Carlo Algorithm for Efficient BER measurement and its Application to DQPSK Terrestrial Systems
Monte Carlo Algorithm Efficient BER measurement DQPSK Terrestrial Systems
2008/7/31
We propose an efficient stratified sampling algorithm for BER estimation and apply it to FEC-coded DQPSK systems. We measured computational savings up to 70% compared with standard Monte Carlo.