搜索结果: 1-9 共查到“光电子技术 OCDMA”相关记录9条 . 查询时间(0.011 秒)
This investigation proposes and experimentally demonstrates an optical code-division multiple-access (OCDMA) light source using a directly modulated Fabry–Pérot laser diode in an external injection sc...
Demonstration of Hybrid Using ±π/2- and 0/π-Phase-Shifted SSFBG En/decoders in the 4×10Gbit/s OCDMA system
Fiber optics communications Fiber Bragg gratings Optical security and encryption
2015/5/26
We develop the novel ±π/2-phase-shifted SSFBG en/decoders (31-chip 640Gchip/s)and verify the improved security performance. We also demonstrate the mixed use of 0/π- and ±π/2-phase-shifted SSFBG en/de...
Electrically Processed OCDMA System Based on Spatial Coding and Subcarrier Multiple xing
Electrically Processed OCDMA System Spatial Coding Subcarrier Multiple xing
2016/12/2
A low-cost electrically processed OCDMA system based on spatial coding and subcarrier multiplexing is proposed. The simulation shows that at least 10 simultaneous users can be supported in a 16-code O...
OCDMA PON supporting ONU internetworking based on gain-switched Fabry–Perot lasers with external dual-wavelength injection
Fiber optics and optical communications Fiber optics communications
2016/12/2
We propose and demonstrate an OCDMA-PON scheme with optical network unit (ONU) internetworking capability, which utilizes low-cost gain-switched Fabry-Pérot (GS-FP) lasers with external dual-wavelengt...
Stealth Transmission of Time Domain Spectral Phase Encoded OCDMA Signal over WDM System
Fiber optics communications Optical security encryption
2015/6/9
1.25Gbps time domain spectral phase encoded OCDMA signal with 32-chip, 40Gchip/s optical codes has been stealthily transmitted over public 10Gbps WDM channel. Error-free transmission has been achieved...
Impact of Crosstalk in Capacity performance of WDM/OCDMA System
Fiber optics communications Networks
2015/6/4
The capacity of WDM/OCDMA system is analyzed under time-wavelength domain crosstalk to determine the simultaneous capacity threshold. The system’s crosstalk, channel spacing and datarate are optimized...
A Novel OCDMA Thresholder Based on Nonlinear Polarization Rotation
OCDMA MAI Thresholder Nonlinear fiber optics
2016/12/2
A novel low-power and cost-effective OCDMA thresholder based on nonlinear polarization rotation (NPR) is proposed. The excellent performance and feasibility of the NPR thresholder are experimentally d...
Reconfigurable Time Domain Spectral Phase Encoding/Decoding Scheme Using Fibre Bragg Gratings for Two-dimensional Coherent OCDMA
Time Domain Spectral Phase Encoding/Decoding Scheme Fibre Bragg Gratings Two-dimensional
2015/8/4
We demonstrate the reconfigurable time domain spectral phase encoding/decoding (SPED) schemes using fibre Bragg gratings (FBG) for the first time. Chirped FBG is used for coherent spectral phase encod...
Experimental demonstration of secure 16-ary, 2.5Gbit/s OCDMA using single multi-port en/decoder
OCDMA single multi-port en/decoder
2015/8/3
Secure 16ary OCDMA is experimentally demonstrated by encoding four serial bits at 2.49Gbps into 16optical codes via serial-to-parallel conversion and decoding by a multiport optical encoder/decoder.