Ring and axis mode switching in multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes

Takehiro Fukushima; Tomoko Tanaka; Takahisa Harayama

doi:10.1063/1.2126143

Ring and axis mode switching in multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes

Takehiro Fukushima, Tomoko Tanaka, Takahisa Harayama

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

18 Citations (Scopus)

Abstract

We describe the mode switching operation of multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes. Far-field patterns exhibit highly directional emission along the laser cavity axis for current injection at the axis electrode and highly directional emission at angles ±19° from the cavity axis for current injection at the ring electrode. These directions correspond to the axis mode and the ring trajectory mode of the laser cavity. We also succeeded in obtaining single peak output beams using narrow curved end mirrors of 40 μm width.

Original language	English
Article number	191103
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	87
Issue number	19
DOIs	https://doi.org/10.1063/1.2126143
Publication status	Published - 2005 Nov 7
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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title = "Ring and axis mode switching in multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes",

abstract = "We describe the mode switching operation of multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes. Far-field patterns exhibit highly directional emission along the laser cavity axis for current injection at the axis electrode and highly directional emission at angles ±19° from the cavity axis for current injection at the ring electrode. These directions correspond to the axis mode and the ring trajectory mode of the laser cavity. We also succeeded in obtaining single peak output beams using narrow curved end mirrors of 40 μm width.",

author = "Takehiro Fukushima and Tomoko Tanaka and Takahisa Harayama",

note = "Funding Information: Research at Okayama Prefectural University was supported by a Ministry of Education, Science, Sports and Culture Grant-in-Aid for Young Scientists (B). Research at ATR was supported in part by the National Institute of Information and Communication Technology.",

year = "2005",

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doi = "10.1063/1.2126143",

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AU - Fukushima, Takehiro

AU - Tanaka, Tomoko

AU - Harayama, Takahisa

N1 - Funding Information: Research at Okayama Prefectural University was supported by a Ministry of Education, Science, Sports and Culture Grant-in-Aid for Young Scientists (B). Research at ATR was supported in part by the National Institute of Information and Communication Technology.

PY - 2005/11/7

Y1 - 2005/11/7

N2 - We describe the mode switching operation of multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes. Far-field patterns exhibit highly directional emission along the laser cavity axis for current injection at the axis electrode and highly directional emission at angles ±19° from the cavity axis for current injection at the ring electrode. These directions correspond to the axis mode and the ring trajectory mode of the laser cavity. We also succeeded in obtaining single peak output beams using narrow curved end mirrors of 40 μm width.

AB - We describe the mode switching operation of multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes. Far-field patterns exhibit highly directional emission along the laser cavity axis for current injection at the axis electrode and highly directional emission at angles ±19° from the cavity axis for current injection at the ring electrode. These directions correspond to the axis mode and the ring trajectory mode of the laser cavity. We also succeeded in obtaining single peak output beams using narrow curved end mirrors of 40 μm width.

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Ring and axis mode switching in multielectrode strained InGaAsP multiple-quantum-well quasistadium laser diodes

Abstract

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