Title :
Narrow spectral linewidth operation (≪160 khz) in widely tunable distributed feedback laser array
Author :
Ishii, Hiroyuki ; Kasaya, K. ; Oohashi, Hiromi
Author_Institution :
NTT Photonics Labs., NTT Corp., Atsugi, Japan
Abstract :
The spectral linewidth has been reduced in a widely tunable distributed feedback laser array with a long cavity structure. A narrow linewidth of less than 160 kHz is achieved over a 40 nm tuning range with a fibre output power of 20 mW.
Keywords :
III-V semiconductors; distributed feedback lasers; gallium arsenide; gallium compounds; indium compounds; laser cavity resonators; laser tuning; quantum well lasers; semiconductor laser arrays; spectral line narrowing; InGaAsP; fibre output power; long cavity structure; multiple-quantum-well lasers; narrow spectral linewidth operation; power 20 mW; widely tunable distributed feedback laser array;
Journal_Title :
Electronics Letters
DOI :
10.1049/el.2010.0802
