High-power visible GaAlAs lasers with self-aligned strip buried heterostructure

Tsukuru Ohtoshi; Toshihiro Kawano; Yoshimitsu Sasaki; Takashi Kajimura; Naoki Chinone; Michiharu Nakamura

doi:10.1063/1.334311

High-power visible GaAlAs lasers with self-aligned strip buried heterostructure

Tsukuru Ohtoshi, Toshihiro Kawano, Yoshimitsu Sasaki, Takashi Kajimura, Naoki Chinone, Michiharu Nakamura

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Transverse-mode-stabilized GaAlAs high-power visible lasers have been developed in such a way as to have a self-aligned strip buried heterostructure. Analysis of their waveguide properties shows that asymmetric AlAs composition in cladding layers, as well as a thin active layer, are important for increasing optical spot size and stabilizing the transverse mode. Lasers with such a waveguide structure operate in the fundamental transverse mode up to an output power as high as 30 mW, and at a lasing wavelength of around 780 nm under cw operation. In addition, fundamental transverse mode operation up to 75 mW under cw conditions has been achieved with optimization of facet reflectivities.

Original language	English
Pages (from-to)	2491-2496
Number of pages	6
Journal	Journal of Applied Physics
Volume	56
Issue number	9
DOIs	https://doi.org/10.1063/1.334311
Publication status	Published - 1984 Dec 1
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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abstract = "Transverse-mode-stabilized GaAlAs high-power visible lasers have been developed in such a way as to have a self-aligned strip buried heterostructure. Analysis of their waveguide properties shows that asymmetric AlAs composition in cladding layers, as well as a thin active layer, are important for increasing optical spot size and stabilizing the transverse mode. Lasers with such a waveguide structure operate in the fundamental transverse mode up to an output power as high as 30 mW, and at a lasing wavelength of around 780 nm under cw operation. In addition, fundamental transverse mode operation up to 75 mW under cw conditions has been achieved with optimization of facet reflectivities.",

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AU - Ohtoshi, Tsukuru

AU - Kawano, Toshihiro

AU - Sasaki, Yoshimitsu

AU - Kajimura, Takashi

AU - Chinone, Naoki

AU - Nakamura, Michiharu

PY - 1984/12/1

Y1 - 1984/12/1

N2 - Transverse-mode-stabilized GaAlAs high-power visible lasers have been developed in such a way as to have a self-aligned strip buried heterostructure. Analysis of their waveguide properties shows that asymmetric AlAs composition in cladding layers, as well as a thin active layer, are important for increasing optical spot size and stabilizing the transverse mode. Lasers with such a waveguide structure operate in the fundamental transverse mode up to an output power as high as 30 mW, and at a lasing wavelength of around 780 nm under cw operation. In addition, fundamental transverse mode operation up to 75 mW under cw conditions has been achieved with optimization of facet reflectivities.

AB - Transverse-mode-stabilized GaAlAs high-power visible lasers have been developed in such a way as to have a self-aligned strip buried heterostructure. Analysis of their waveguide properties shows that asymmetric AlAs composition in cladding layers, as well as a thin active layer, are important for increasing optical spot size and stabilizing the transverse mode. Lasers with such a waveguide structure operate in the fundamental transverse mode up to an output power as high as 30 mW, and at a lasing wavelength of around 780 nm under cw operation. In addition, fundamental transverse mode operation up to 75 mW under cw conditions has been achieved with optimization of facet reflectivities.

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High-power visible GaAlAs lasers with self-aligned strip buried heterostructure

Abstract

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