Investigation on the combined orthogonal FSK/ASK labeled signal based on cross gain modulation in a SOA

Yan Shi*, Chong Xiu Yu, Xiang Jun Xin, Tong Gang Zhao

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

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 payload and FSK label is also investigated after propagating in the 50 km single-mode fiber (SMF).

Original languageEnglish
Pages (from-to)214-217
Number of pages4
JournalOptoelectronics Letters
Volume6
Issue number3
DOIs
Publication statusPublished - 2010
Externally publishedYes

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