搜索结果: 1-15 共查到“光学工程 Asynchronous”相关记录16条 . 查询时间(0.109 秒)
An Efficient MAC Protocol for Asynchronous ONUs in OFDMA PONs
MAC Protocol OFDMA PON Asynchronous ONU
2015/5/18
We propose an efficient MAC protocol for OFDMA PONs that eliminates the synchronization requirement of ONUs and also exploits the statistical multiplexing gain among traffic of all ONUs for high perfo...
All-Optical Self-Synchronizing Scheme for Contention Resolution in Asynchronous Optical Packet Switched Networks Using Continuously Tunable Optical Delay Line
Continuously Tunable Optical Delay Line All-Optical Self-Synchronizing Scheme Switched Networks
2015/5/15
Continuously tunable, optically-controlled variable delay line based on dynamic Brillouin grating is exploited for automated synchronization of switching signals in a network node, enabling asynchrono...
Implementation of High-speed Buffer Management for Asynchronous Variable-length Optical Packet Switch
Networks Optical communications
2015/6/10
We develop an FPGA-based buffer management hardware with 8 input ports, which implements a parallel and pipeline mechanism to support over-200-Mpacket/s/port asynchronous variable-length optical packe...
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...
A Real-Time Asynchronous Dynamically Re-Sizable Optical Buffer for Variable Length 40Gbps Optical Packets
Buffers couplers routers switches multiplexers Networks packet-switched
2015/6/8
We demonstrate a 40Gbps dynamically re-sizable optical buffer capable of storing packets of lengths ranging from 40 to 800 bytes. Packet recovery measurements greater than 95% demonstrate a dynamic op...
Asynchronous 2x2 Optical Packet Synchronization, Buffering, and Forwarding
Buffers couplers routers switches multiplexers Optical amplifiers
2015/6/8
We demonstrate the first asynchronous 2x2 optical packet switch capable of synchronizing, buffering, and forwarding 10 Gb/s packets generated from independent transmitters with better than 99% packet ...
Asynchronous and Packetized Transmission in Optical CDMA Distributed Sensor Network
Fiber optics communications Networks
2015/6/4
We demonstrate asynchronous, packetized data transmission from distributed commercial sensors in an optical CDMA network. Error-free transmission is obtained and the near-far problem is reduced using ...
OSNR Monitoring Technique for PDM-QPSK Signals Based on Asynchronous Delay-Tap Sampling Technique
Fiber optics communications Fiber optics links subsystems
2015/6/4
We propose and demonstrate a new technique for monitoring the individual OSNR of each polarization tributary of PDM-QPSK signals. The results show that the performance of this technique is not sensiti...
Demonstration of Simultaneous OSNR and CD Monitoring using Asynchronous Delay Tap Sampling on an 800 km WDM Test Bed
Simultaneous OSNR CD Monitoring Asynchronous Delay Tap Sampling WDM Test Bed
2015/7/20
We demonstrate simultaneous monitoring of OSNR and CD using asynchronous delay-tap sampling on a commercial WDM system. Accuracies of 0.5 dB for OSNR and 30 ps/nm for CD was obtained in the presence o...
Optical Performance Monitoring of PSK Data Channels Using Artificial Neural Networks Trained with Parameters Derived from Delay-Tap Asynchronous Diagrams via Balanced Detection
Optical Performance Monitoring PSK Data Channels Artificial Neural Networks Trained Parameters Derive
2015/7/17
We demonstrate a technique of using artificial neural networks for optical performance monitoring of PSK data signals. Parameters for training are derived from delay-tap asynchronous diagrams using ba...
Low Cost Multi-Impairment Monitoring Technique for 43 Gbps DPSK and 86 Gbps DP-DPSK Using Delay Tap Asynchronous Sampling Method
Multi-Impairment Monitoring Technique DPSK DP-DPSK
2015/7/17
We present a novel low cost method of multi-impairment monitoring for 43 Gbps DPSK using delay tap asynchronous sampling with 12 GHz receivers. This technique is also demonstrated for 86 Gbps DP-DPSK ...
Demonstration of Asynchronous,10Gbps OCDMA PON system with Colorless and Sourceless ONUs
Asynchronous OCDMA PON system Colorless Sourceless ONUs
2015/7/16
We experimentally demonstrate for the first time an error-free asynchronous, 10-Gbps full-duplex DPSK OCDMA system that does not require any laser source at the users premises.
8x8 Full-duplex Demonstration of Asynchronous, 10Gbps, DPSK- OCDMA System using Apodized SSFBG and multi-port En/Decoder
8x8 Full-duplex Demonstration DPSK- OCDMA System Apodized SSFBG multi-port En/Decoder
2015/7/16
We develop a novel apodized, 16-level-phase-shifted SSFBG encoder/decoder, which can improve the system performance of OCDMA system. Error free (BER<10 -9 ) transmissions of 8x8 full-duplex, asynchron...
Full-Duplex Demonstration of Asynchronous,10Gbps x 4-user DPSK- OCDMA System using Hybrid Multi-port and SSFBG En/Decoder
Full-Duplex DPSK-OCDMA System Hybrid Multi-port SSFBG En/Decoder
2015/8/6
We experimentally demonstrate error-free (BER<10 -9 ) transmission of full-duplex, asynchronous, 10Gbps x 4user DPSK-OCDMA system on same wavelength using hybrid multi-port and SSFBG en/decoder.
Bit Rate Identification Using Asynchronous Delay-tap Sampling
Bit Rate Identification Asynchronous Delay-tap
2015/7/31
We demonstrate a method for determining the bit rate with an accuracy of better than 0.5% based upon second-order autocorrelation and asynchronous delay-tap sampling for NRZ, NRZ-DPSK and RZ formats.