.Investigation on the combined orthogonal FSK/ASK labeled signal based on cross gain modulation in a SOA[J].Optoelectronics Letters,2010,6(3):214-217 Investigation on the combined orthogonal FSK/ASK labeled signal based on cross gain modulation in a SOA 师严 Laboratory;Information;Photonics;Optical;Communication;Ministry;Education;Beijing;University;Posts;Telecommunications; Abstract:       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 p... Hits: 4076 Download times: 234 View Full Text    Download reader