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

Takehiro Fukushima, Tomoko Tanaka, Takahisa Harayama

研究成果: Article

18 引用 (Scopus)

抜粋

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.

元の言語English
記事番号191103
ページ(範囲)1-3
ページ数3
ジャーナルApplied Physics Letters
87
発行部数19
DOI
出版物ステータスPublished - 2005 11 7
外部発表Yes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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