Title :
Oscillation frequency shift suppression of semiconductor lasers coupled to external cavity
Author :
Fujita, T. ; Ohya, J. ; Ishizuka, S. ; Fujito, K. ; Sato, H.
Author_Institution :
Matsushita Electric Industrial Co. Ltd., Moriguchi, Japan
Abstract :
External cavity coupled semiconductor lasers are theoretically analysed for the suppression of oscillation frequency shift caused by current modulation and temperature change. The results indicate that strong optical feedback, AR-coating of laser facet and large ratio of passive/active cavity length are effective for the frequency shift suppression.
Keywords :
laser cavity resonators; laser frequency stability; semiconductor junction lasers; AR-coating; current modulation; external cavity; frequency shift suppression; laser facet; optical feedback; oscillation frequency shift; passive/active cavity length; semiconductor lasers; temperature change;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19840288
