Linewidth-narrowed distributed feedback injection lasers with long cavity length and detuned Bragg wavelength

Linewidth-narrowed distributed feedback injection lasers with long cavity length and detuned Bragg wavelength

We report linewidth narrowing for 1.3-μm InGaAsP distributed feedback lasers with either a long cavity length or a detuned Bragg wavelength. The narrowest linewidth measured was 3 MHz at 6 mW for a 780-μm long-cavity laser, and was 8 MHz at 5.5 mW for a 250-μm regular-length laser with detuned wavel...

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Veröffentlicht in:Appl. Phys. Lett.; (United States) 1987-03, Vol.50 (9), p.489-491
Hauptverfasser: LIOU, K.-Y, DUTTA, N. K, BURRUS, C. A
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
ARSENIC COMPOUNDS
ARSENIDES
ENGINEERING
Exact sciences and technology
GALLIUM ARSENIDES
GALLIUM COMPOUNDS
GALLIUM PHOSPHIDES
INDIUM ARSENIDES
INDIUM COMPOUNDS
INDIUM PHOSPHIDES
LASER CAVITIES
LASERS
LINE WIDTHS
Other techniques and industries
PHOSPHIDES
PHOSPHORUS COMPOUNDS
PNICTIDES
SEMICONDUCTOR DEVICES 420300 > Engineering-- Lasers-- (-1989)
SEMICONDUCTOR LASERS
TUNING
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Zusammenfassung:We report linewidth narrowing for 1.3-μm InGaAsP distributed feedback lasers with either a long cavity length or a detuned Bragg wavelength. The narrowest linewidth measured was 3 MHz at 6 mW for a 780-μm long-cavity laser, and was 8 MHz at 5.5 mW for a 250-μm regular-length laser with detuned wavelength. From our analysis, distributed feedback lasers with 1 MHz linewidth appear to be feasible.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.98182