Title :
Linewidth and FM characteristics of a distributed feedback laser monolithically integrated with a tunable external cavity
Author :
Lee, T.P. ; Menocal, S.G. ; Sakano, S. ; Valster, V. ; Tsuji, Satoshi
Author_Institution :
Bell Communications Research, Navesink Research & Engineering Center, Red Bank, USA
Abstract :
A narrow linewidth has been obtained in a new 1.5 ¿m distributed feedback laser integrated monolithically with a tunable external cavity. The linewidth of 18 MHz has been achieved by tuning the current in the external cavity, and the FM response was flat from 100 kHz to 500 MHz.
Keywords :
III-V semiconductors; distributed feedback lasers; frequency modulation; gallium arsenide; gallium compounds; indium compounds; integrated optics; laser cavity resonators; semiconductor junction lasers; spectral line breadth; 1.5 micron; 100 kHz to 500 MHz; FM characteristics; InGaAsP-InP; current tuning; distributed feedback laser; linewidth; monolithic integration; semiconductor laser; tunable external cavity;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870108
