DPSK Transmission Through Silicon Microring Switch for Photonic Interconnection Networks
Photonics Technology Letters, IEEE（2011）
摘要
We experimentally demonstrate for the first time switching of differential-phase-shift-keyed (DPSK) signals through a silicon photonic electrooptic microring switch. DPSK format has been shown to be robust to nonlinear effects, and has 3-dB improved receiver sensitivity with balanced detection compared to the on-off-keyed format. Moreover, an extension to multilevel phase-shift-keyed (PSK) format enables higher data bandwidth. Packetized transmissions of single- and multichannel 10-Gb/s DPSK signals are demonstrated. Error-free transmission and power penalties of less than 1.7 dB are achieved for all the examined wavelength channels, confirming format transparency of the microring switch for PSK format, and validating the use of DPSK signaling for photonic interconnection networks.
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关键词
amplitude shift keying,bandwidth allocation,differential phase shift keying,electro-optical switches,elemental semiconductors,micro-optics,nonlinear optics,optical interconnections,optical receivers,optical transmitters,packet switching,photonic switching systems,sensitivity analysis,silicon,telecommunication channels,DPSK transmission,Si,bit rate 10 Gbit/s,data bandwidth,differential-phase-shift-keyed signals,error-free transmission,multilevel phase-shift-keyed format,nonlinear effects,on-off-keyed format,packetized transmission,photonic interconnection networks,power penalty,receiver sensitivity,silicon microring switch,silicon photonic electrooptic microring switch,wavelength channels,Differential-phase-shift keying (DPSK),electrooptical devices,microring resonators,packet switching
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