Title :
Analysis of distributed-feedback lasers using a recursive Green´s functional approach
Author_Institution :
Eastman Kodak Co., Rochester, NY, USA
fDate :
2/1/1993 12:00:00 AM
Abstract :
A method is presented for obtaining the exact propagation constants (resonance wavelengths and threshold gains) for distributed-feedback lasers. The method is based on computing the exact Green´s function for resonant cavities using a recursive Green´s function approach. The net threshold gains of distributed-feedback lasers are calculated and compared with the results obtained using conventional coupled-mode theory. The comparison reveals that coupled-mode theory is weakest for aperiodic structures
Keywords :
Green´s function methods; distributed feedback lasers; laser cavity resonators; laser theory; semiconductor lasers; aperiodic structures; coupled-mode theory; distributed-feedback lasers; exact Green´s function; exact propagation constants; laser diode; recursive Green´s functional approach; resonance wavelengths; resonant cavities; semiconductor lasers; threshold gains; Diode lasers; Laser modes; Laser theory; Optical coupling; Partial differential equations; Periodic structures; Propagation constant; Region 5; Resonance; Scattering;
Journal_Title :
Quantum Electronics, IEEE Journal of