Title :
Effect of axial hole-burning on TM mode suppression in λ/4 phase-shift DFB lasers
Author_Institution :
Electron. Device Eng. Lab., Toshiba Corp., Yokohama
fDate :
11/24/1988 12:00:00 AM
Abstract :
The TM mode suppressibility in λ/4 phase-shift distributed feedback (DFB) lasers is analysed by considering the effect of the axial hole-burning. The calculated result shows that the hole-burning always decreases the threshold gain difference between the TE and TM modes
Keywords :
distributed feedback lasers; laser modes; semiconductor junction lasers; TE modes; TM mode suppression; axial hole-burning; phase-shift DFB lasers; threshold gain difference;
Journal_Title :
Electronics Letters
