Title :
Over 1100 nm wavelength tuning in superstructure grating (SSG) DBR lasers
Author :
Tohmori, Y. ; Yoshikuni, Y. ; Ishii, Hiroyuki ; Kano, F. ; Tamamura, T. ; Kondo, Yuta
Author_Institution :
NTT Opto-electron. Labs., Kanagawa, Japan
Abstract :
A broad range tuning of over 100 nm in tunable DBR lasers with superstructure grating (SSG) is reported. The SSG reflectors for 100 nm were designed and patterned by electron beam lithography. 1.55 mu m DBR lasers with SSG reflector operate in a single mode with a tuning range of 83 nm under CW conditions. With inclusion of the multimode operating region, the tuning range becomes as wide as 103 nm.
Keywords :
diffraction gratings; distributed Bragg reflector lasers; electron beam lithography; laser tuning; optical workshop techniques; semiconductor lasers; 1.55 micron; CW conditions; DBR lasers; SSG reflectors; broad range tuning; electron beam lithography; multimode operating region; single mode; superstructure grating; tuning range;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930238
