{"title":"Bimetallic heatsinks for temperature compensation of diode lasers: prospects for microfabrication","authors":"D. Cohen, L. Coldren","doi":"10.1109/ECTC.1997.606257","DOIUrl":null,"url":null,"abstract":"We demonstrate that temperature-dependent strain may be used to stabilize the wavelength, threshold current, and differential efficiency, of a 1.55 /spl mu/m multiquantum well diode laser mounted on a bimetallic heatsink. We have obtained nearly complete stabilization of the modal wavelength, and an equivalent threshold current characteristic temperature of 133 K, over the temperature range of 20-70/spl deg/C. We describe the principles of temperature compensation using thermal stress, review our results, and discuss the problems that remain to be solved.","PeriodicalId":339633,"journal":{"name":"1997 Proceedings 47th Electronic Components and Technology Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-05-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 Proceedings 47th Electronic Components and Technology Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ECTC.1997.606257","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
We demonstrate that temperature-dependent strain may be used to stabilize the wavelength, threshold current, and differential efficiency, of a 1.55 /spl mu/m multiquantum well diode laser mounted on a bimetallic heatsink. We have obtained nearly complete stabilization of the modal wavelength, and an equivalent threshold current characteristic temperature of 133 K, over the temperature range of 20-70/spl deg/C. We describe the principles of temperature compensation using thermal stress, review our results, and discuss the problems that remain to be solved.
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