Title :
High extinction ratio operation at 40-Gb/s direct modulation in 1.3-/spl mu/m InGaAlAs-MQW RWG DFB lasers
Author :
Nakahara, K. ; Tsuchiya, T. ; Kitatani, T. ; Shinoda, K. ; Taniguchi, T. ; Kikawa, T. ; Aoki, M. ; Mukaikubo, M.
Author_Institution :
Hitachi Ltd., Tokyo
Abstract :
Direct modulation of 1.3-mum InGaAlAs DFB RWG lasers at 40 Gb/s is experimentally demonstrated. This laser achieves a record extinction ratio of 5 dB under 40-Gb/s modulation. Moreover, it can provide 40-Gb/s modulated transmission over 2 km
Keywords :
III-V semiconductors; aluminium compounds; distributed feedback lasers; gallium arsenide; indium compounds; optical fibre communication; optical modulation; quantum well lasers; waveguide lasers; 1.3 mum; 2 km; 40 Gbit/s; DFB lasers; InGaAlAs; InGaAlAs-MQW lasers; direct modulation; extinction ratio; modulated transmission; ridge waveguide lasers; Bit rate; Chemical lasers; Extinction ratio; Fiber lasers; Gratings; Optical materials; Optical modulation; Optical transmitters; Quantum well devices; Semiconductor lasers;
Conference_Titel :
Optical Fiber Communication Conference, 2006 and the 2006 National Fiber Optic Engineers Conference. OFC 2006
Conference_Location :
Anaheim, CA
Print_ISBN :
1-55752-803-9
DOI :
10.1109/OFC.2006.215458
