The suppression of self-frequency-scanning and brightness improvement in a phase conjugate broad-stripe laser diode using spatial filtering

S. HATANO; T. OMATSU; A. HASEGAWA; M. TATEDA; I. OGURA

doi:10.1364/APMED.1999.AD4

Advances in Photorefractive Materials, Effects and Devices
Trends in Optics and Photonics (Optica Publishing Group, 1999),
paper AD4
•https://doi.org/10.1364/APMED.1999.AD4

The suppression of self-frequency-scanning and brightness improvement in a phase conjugate broad-stripe laser diode using spatial filtering

S. HATANO, T. OMATSU, A. HASEGAWA, M. TATEDA, and I. OGURA

Advances in Photorefractive Materials, Effects and Devices 1999

Elsinore Denmark
ISBN: 1-55752-606-0

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S. HATANO, T. OMATSU, A. HASEGAWA, M. TATEDA, and I. OGURA, "The suppression of self-frequency-scanning and brightness improvement in a phase conjugate broad-stripe laser diode using spatial filtering," in Advances in Photorefractive Materials, Effects and Devices, P. Andersen, P. Johansen, H. Pedersen, P. Petersen, and M. Saffman, eds., Vol. 27 of Trends in Optics and Photonics (Optica Publishing Group, 1999), paper AD4.

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Abstract

We present a new technique for suppressing the self-frequency-scanning in a single-stripe high power laser diode known as a broad-stripe laser diode (BS-LD) with phase conjugate feedback. The lasing frequency was locked at the center wavelength of 807nm within 0.1nm for 20 minutes. The BS-LD was then operated in narrow-band with a 0.4nm line-width, and it generated a single-lobed near-field radiation with a narrow divergence.

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