RT Journal T1 Novel frequency shift keying modulation based on fiber Bragg gratings and intensity modulators A1 Liu YANG,Fengguang LUO PB Front. Optoelectron. FD 2016-11-29 YR 2016 JF Frontiers of Optoelectronics JO Front. Optoelectron. VO 9 IS 4 SP 616 DO 10.1007/s12200-015-0530-y K1 fiber Bragg grating (FBG);frequency shift keying (FSK);modulation mode;intensity modulator LK {https://journal.hep.com.cn/foe/EN/article/article_12777.shtml}