Title :
Isolator-free directly modulated complex-coupled DFB lasers for low cost applications
Author :
Kreissl, J. ; Brinker, W. ; Lenz, E. ; Gaertner, T. ; Rehbein, W. ; Bauer, Stefan ; Sartorius, B.
Author_Institution :
Frounhofer Inst. for Telecommun., Heinrich-Hertz-Inst., Berlin, Germany
Abstract :
Complex-coupled and index-coupled DFB lasers are fabricated and characterized regarding their feedback sensitivity. The feedback stability is improved by 15 dB using the complex coupling. BER measurements demonstrate the potential for isolator-free transmitter application.
Keywords :
distributed feedback lasers; error statistics; laser feedback; optical modulation; optical transmitters; quantum well lasers; BER; DFB design; buried heterostructure; complex-coupled DFB lasers; directly modulated DFB lasers; feedback sensitivity; feedback stability; index-coupled DFB lasers; isolator-free DFB lasers; low cost transmitters; optical networks; quantum well stack; Bit error rate; Costs; Distributed feedback devices; Laser feedback; Laser modes; Laser noise; Laser theory; Optical feedback; Optical sensors; Optical transmitters;
Conference_Titel :
Optical Fiber Communication Conference, 2005. Technical Digest. OFC/NFOEC
Print_ISBN :
1-55752-783-0
DOI :
10.1109/OFC.2005.193025
