Title :
110-channel operation with a 50-GHz grid in mode-hop-free tunable distributed amplification (TDA-) DFB laser array
Author :
Nunoya, Nobuhiro ; Ishii, Hiroyuki ; Kawaguchi, Yoshihiro ; Iga, Ryuzo ; Sato, Tomonari ; Kondo, Yasuhiro ; Oohashi, Hiromi
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi
Abstract :
The mode-hop-free tuning range of a TDA-DFB laser with asymmetric units was successfully extended by employing strong optical confinement in the tuning layers. We achieved 110-channel operation with a 50-GHz grid for a 6-TDA-DFB laser array.
Keywords :
distributed feedback lasers; laser tuning; optical transmitters; semiconductor laser arrays; semiconductor optical amplifiers; telecommunication channels; TDA-DFB laser array; frequency 50 GHz; mode-hop-free tunable distributed amplification; optical confinement; Distributed feedback devices; Laser feedback; Laser modes; Laser tuning; Optical arrays; Optical reflection; Optical tuning; Semiconductor laser arrays; Semiconductor optical amplifiers; Tunable circuits and devices;
Conference_Titel :
Semiconductor Laser Conference, 2008. ISLC 2008. IEEE 21st International
Conference_Location :
Sorrento
Print_ISBN :
978-1-4244-1782-7
Electronic_ISBN :
978-1-4244-1783-4
DOI :
10.1109/ISLC.2008.4636050
