Analysis of distributed-feedback lasers using a recursive Green's functional approach

Analysis of distributed-feedback lasers using a recursive Green's functional approach

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...

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Veröffentlicht in:IEEE journal of quantum electronics 1993-02, Vol.29 (2), p.368-373
1. Verfasser: Kahen, K.B.
Format: Artikel
Sprache:eng
Schlagworte:
Diode lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Laser modes
Laser theory
Lasers
Optical coupling
Optics
Partial differential equations
Periodic structures
Physics
Propagation constant
Region 5
Resonance
Scattering
Semiconductor lasers
laser diodes
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Zusammenfassung: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.< >
ISSN:0018-9197
1558-1713
DOI:10.1109/3.199291