An optical frequency shift keying(FSK) transmitter performed by the cross gain modulation(XGM) in a semiconductor optical amplifier(SOA) is used in an optical label switching(OLS) system with 622 Mbit/s FSK label and ...An optical frequency shift keying(FSK) transmitter performed by the cross gain modulation(XGM) in a semiconductor optical amplifier(SOA) is used in an optical label switching(OLS) system with 622 Mbit/s FSK label and 10 Gbit/s amplitude shift keying(ASK) payload.The key parameters in this system are optimized to achieve the best performance of FSK/ASK signal,including the input power of LD,the extinction ratio(ER) of the control light and that of the ASK payload.Besides,the transmission performance of ASK payload and FSK label is also investigated after propagating in the 50 km single-mode fiber(SMF).展开更多
基金supported by the National Natural Science Foundation of China (No. 60677004)the National High Technology Research and Development Program of China (Nos. 2007AA03Z447 and 2009AA01Z220)+1 种基金the Teaching and Scientific Research Foundation for the Returned Overseas Chinese Scholars of State Education Ministrythe Program for New Century Excellent Talents in University of China (No. NECT-07-0111)
文摘An optical frequency shift keying(FSK) transmitter performed by the cross gain modulation(XGM) in a semiconductor optical amplifier(SOA) is used in an optical label switching(OLS) system with 622 Mbit/s FSK label and 10 Gbit/s amplitude shift keying(ASK) payload.The key parameters in this system are optimized to achieve the best performance of FSK/ASK signal,including the input power of LD,the extinction ratio(ER) of the control light and that of the ASK payload.Besides,the transmission performance of ASK payload and FSK label is also investigated after propagating in the 50 km single-mode fiber(SMF).
