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Proceedings Paper

Wavelength tuning and intensity noise in diode laser butt coupling
Author(s): Yakov S. Sidorin; Pentti Karioja; Dennis G. Howe
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Paper Abstract

Coherent optical feedback into a continuously operating diode laser causes optical output power fluctuations as well as a spectrum shift. This spectrum shift can be accounted for by solving the boundary value problem for the optical field. We choose another method, in which the change of the nonlinear laser characteristics and the optical properties of the oscillation cavity versus the effective reflectance of Fabry-Perot etalon formed by the laser output mirror and an external reflector is described by a phenomenological model. We consider a high power laser diode with significant external feedback from the entrance facet of a butt-coupled fiber and explain the wavelength variations of up to 15 nm versus laser-to-fiber separation that we observed experimentally. The longitudinal mode spectrum of the butt- coupled laser diode is characterized as well.

Paper Details

Date Published: 6 June 1997
PDF: 8 pages
Proc. SPIE 2994, Physics and Simulation of Optoelectronic Devices V, (6 June 1997); doi: 10.1117/12.275626
Show Author Affiliations
Yakov S. Sidorin, Optical Sciences Ctr./Univ. of Arizona (United States)
Pentti Karioja, VTT Electronics (Finland)
Dennis G. Howe, Optical Sciences Ctr./Univ. of Arizona (United States)

Published in SPIE Proceedings Vol. 2994:
Physics and Simulation of Optoelectronic Devices V
Marek Osinski; Weng W. Chow, Editor(s)

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