アット・ニフティロゴ

ご案内

サンプル

検索のヒント

注意事項

ヘルプについて

Dialog サービス
トップページへ

INSPEC サンプルレコード

A 970 nm strained-layer InGaAs/GaAlAs quantum well laser for pumping an erbium-doped optical fiber amplifier

Ming C. Wu; Olsson, N.A.; Sivco, D.; Cho, A.Y.
AT&T Bell Labs., Murray Hill, NJ, USA
Applied Physics Letters , vol.56, no.3 , Page: 221-3 , 15 Jan. 1990
Language: English

Abstract: The authors report the performance of a 970 nm strained-layer InGaAs/GaAlAs quantum well laser and its application for pumping Er-doped optical fiberamplifiers. The laser was grown by molecular beam epitaxy and has three In/sub 0.2/Ga/sub 0.8/As/GaAs quantum wells. For a 5- mu m-wide and 400- mu m-long ridge-waveguide laser, a CW threshold current of 20 mA and an external quantum efficiency of 0.28 mW/mA per facet were obtained. Maximum output power exceeds 32 mW/facet. With antireflection coating, even higher external quantum efficiency (0.40 mW/mA) was achieved, and more than 20 mW of power was coupled into a single mode fiber. Preliminary experiments of pumping the Er-doped fiber amplifier gave 15 dB of gain at 1.555 mu m for a pump power of 14 mW into the Er fiber. (18 References)

Subjects: erbium fibre optics gallium compounds gradient index optics indium compounds optical fibres optical pumping optical wave guides semiconductor junctionlasers solid lasers Experimental GRIN-SCH lasers trained-layer quantum well laser pumping optical fiber amplifier Er-doped optical fiber molecular beam epitaxy ridge-waveguide laser CW threshold current external quantum efficiency output power antireflection coating single mode fiber gain 970 nm 1.555 micron 5 micron 14 mW 400 micron 20 mA In/sub 0.2/Ga/sub 0.8/As-GaAsInGaAs-GaAlAs Design of specific laser systems Lasing action in semiconductors with junctions Optical waveguides and couplers Other optical properties Lasing action in other solids Semiconductor junction lasers Fibre optics Optical waveguides Solid lasers

INSPEC
© 2001 Institution of Electrical Engineers. All rights reserved.
Dialog® File Number 2 Accession Number 3603153

※このサンプルは出力結果のイメージです。一部のデータが、架空のものである場合があります。また、実際に出力されるレコードに、全ての項目が含まれない場合があります。


アット・ニフティトップページへアット・ニフティ会員に登録 特定商取引法に基づく表示 個人情報保護ポリシー
Copyright(c) 2009 NIFTY All Rights Reserved.