搜索结果: 1-15 共查到“光学工程 Sampling”相关记录31条 . 查询时间(0.093 秒)
Fast Parallelized Simulation of 112 Gb/s CP-QPSK Transmission Systems using Stratified Monte-Carlo Sampling
Fiber optics communications Coherent communications
2015/5/26
A novel parallelized implementation of the split-step Fourier method on graphics processing units was developed. The combination of Monte-Carlo simulations with single and double precision yields a sp...
Variable Gate Width, All-Optical Sampling using Electroabsorption Modulator for Optical Performance Monitor
Nonlinear optical signal processing Semiconductor nonlinear optics including MQW Fiber optics communications
2015/5/25
Variable gate width, all-optical sampling using an electroabsorption modulator is pro- posed for a multi-bit rate, optical performance monitor. The discrepancy between waveform quality and bit error r...
Over-Sampling based Burst-mode CDR Technology for High-speed TDM-PON Systems
Networks Optical communications
2015/5/22
We review recent progress of a over-sampling based burst-mode CDR as the key PMD device for supporting next-generation, 10Gbps capable TDM-PON systems. For the essence of circuit design, its burst-mod...
200Gs/s Real-time Optical-Sampling-based Orthogonal Frequency Division Multiplexing System
Fiber optics communications Multiplexing
2015/6/10
An all-optical orthogonal frequency division multiplexing scheme with 200GSample/s optical sampling technique is proposed and experimentally demonstrated. 50Gb/s AO-OFDM data is successfully transmitt...
Efficient Digital Coherent Detection of A 1.2-Tb/s 24- Carrier No-Guard-Interval CO-OFDM Signal by Simultaneously Detecting Multiple Carriers Per Sampling
Coherent communications Phase modulation
2015/6/10
We experimentally demonstrate efficient detection of a 1.2-Tb/s 24-carrier NGI-CO-OFDM signal with 12.5-Gbaud PDM-QPSK carrier-modulation by simultaneously recovering 2 or 3 carriers per 50-GSamples/s...
Double Pulse Pumping on All-Optical Sampling Using Electroabsorption Modulator
Nonlinear optical signal processing Semiconductor nonlinear optics including MQW Fiber optics communications
2015/6/10
Double-pulse pumping improves the temporal resolution of cost-effective all-optical sampling using an electroabsorption modulator. A shortened sampling gate width was demonstrated using two double-pul...
Measurement of Mean Fiber DGD Using Asynchronous Delay-Tap Sampling
Fiber measurements Fiber optics communications
2015/6/10
We demonstrate measurement of mean fiber DGD using asynchronous delay-tap sampling in a 10Gbit/s WDM test-bed. With and without polarization scrambling, mean DGD values of 30.5ps and 26.2ps were measu...
Polychromatic Sampling for High-Speed Real-Time Processing
Fiber optics amplifier oscillators Nonlinear optics parametric processes
2015/6/9
Recent advances in polychromatic sampling are reviewed in context of the multicast pa-rametric synchronous sampling architecture of waveforms and real-time processing of high bit-rate signals. Operati...
Digital Equalization of Ultrafast Data Using Real-time Burst Sampling
Fiber optics links subsystems Radio frequency photonics
2015/6/9
We demonstrate digital equalization of 40Gbps data enabled by use of Real-time Burst Sampling (RBS) with photonic time-stretch A/D converter. Evaluation of a feed-forward equalizer and a decision feed...
Applicability verification of all-optical sampling based Q factor monitor for link-by-link fault management in transparent optical networks
Networks Optical communications
2015/6/9
Applicability of all-optical sampling based Q-factor monitor has been successfully verified for link-by-link fault management in transparent optical mesh networks by comparing with an electrical recei...
All-optical parallelization for high sampling rate photonic ADC in fully digital radar systems
Ultrafast information processing Nonlinear optics four-wave mixing
2015/6/9
Optical samples of RF signals are all-optically parallelized for further processing in low-speed electrical digitizers. This technique enables high-rate sampling with no additional jitter and limited ...
High Frequency Photonic Analog-to-Digital Conversion Using Nonuniform Sampling
Radio frequency photonics Fiber optics links subsystems
2015/6/9
We discuss recently developed techniques for photonic analog-to-digital conversion based on nonuniform sampling. We have experimentally validated this approach, demonstrating high resolution, alias-fr...
Low phase noise laser source packaged in a low power consumption module for all optical sampling applications
Mode-Locked Lasers Semiconductor Lasers
2015/6/9
Using low power consumption photonic modules containing a low timing jitter optical laser source and an optical gate, we demonstrated potential all-optical sampling of a radio signal carried at >5GHz ...
Sub-Rate Sampling in 100 Gb/s Coherent Optical Receivers
Fiber Optics Communications Coherent communications
2015/6/9
We investigate the feasibility of ADC sampling rate below 2x versus optical/electrical bandwidths in 100G-PM-QPSK coherent receivers. We find <0.5 dB penalty for rates down to 5/4x even for dispersion...
Wide Dynamic Range OSNR Monitoring for RZ-DQPSK Systems using Delay-Tap Sampling Technique
Fiber optics communications Fiber optics links subsystems
2015/6/5
We propose half-symbol delay-tap sampling for OSNR monitoring and extend the monitoring range to 5−45 dB. The proposed method also enables calibration-free monitoring with range of 16−43 d...