Title :
Optical feedback on linearity performance of 1.3-μm DFB and multimode lasers under microwave intensity modulation
Author :
Way, Winston I. ; Choy, Michael M.
Author_Institution :
Bell Commun. Res., Red Bank, NJ, USA
fDate :
1/1/1988 12:00:00 AM
Abstract :
Under large signal modulation and quantitatively controlled optical feedback (from about -50 dB to -25 dB, from the end of ~2-m pigtails), the linearity performance of both a 1.3-μm distributed-feedback (DFB) and a multimode laser is examined. Under proper bias levels and modulation frequencies, both lasers exhibit good linearity even with strong optical feedback. The DFB laser exhibits good linearity because of its coherence reduction, resulting from modulation-induced frequency chirping
Keywords :
distributed feedback lasers; feedback; laser transitions; optical modulation; semiconductor junction lasers; 1.3 micron; bias levels; coherence reduction; linearity performance; microwave intensity modulation; modulation-induced frequency chirping; multimode lasers; optical feedback; signal modulation; Chirp modulation; Fiber lasers; Laser feedback; Laser modes; Linearity; Masers; Optical attenuators; Optical feedback; Optical fiber communication; Optical reflection;
Journal_Title :
Lightwave Technology, Journal of
