Title :
Monolithically integrated directly modulated DFB laser array with MMI coupler for 100GBASE-LR4 application
Author :
Kobayashi, Wataru ; Kanazawa, Shigeru ; Ueda, Yuta ; Ohno, Tetsuichiro ; Yoshimatsu, Toshihide ; Shindo, Takahiko ; Sanjoh, Hiroaki ; Ishii, Hiroyuki ; Matsuo, Shinji ; Itoh, Mikitaka
Author_Institution :
NTT Device Technol. Labs., NTT Corp., Atsugi, Japan
Abstract :
We developed the first 1.3-μm, 4×25-Gbit/s directly modulated DFB laser array monolithically integrated with an MMI coupler suitable for 100GBASE-LR4 application. Error-free operation was achieved for a 30-km SMF transmission when modulating four DMLs simultaneously.
Keywords :
distributed feedback lasers; optical couplers; optical fibre communication; optical modulation; semiconductor laser arrays; 100GBASE-LR4 application; MMI coupler; SMF transmission; bit rate 25 Gbit/s; distance 30 km; error-free operation; monolithically integrated directly modulated DFB laser array; wavelength 1.3 mum; Adaptive optics; Arrays; Cavity resonators; Couplers; Optical device fabrication; Optical transmitters; Power generation;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
