{"title":"Linewidth enhancement factor of a type-II quantum-cascade laser","authors":"M. Lerttamrab, S. Chuang, R.Q. Yang, C. Hill","doi":"10.1063/1.1611285","DOIUrl":null,"url":null,"abstract":"We directly measured the optical gain, refractive index change, and the linewidth enhancement factor of a type-II quantum-cascade laser. We obtained very low linewidth enhancement factor of 0.83 near threshold.","PeriodicalId":277415,"journal":{"name":"Conference on Lasers and Electro-Optics, 2004. (CLEO).","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2003-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"36","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference on Lasers and Electro-Optics, 2004. (CLEO).","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1063/1.1611285","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 36
Abstract
We directly measured the optical gain, refractive index change, and the linewidth enhancement factor of a type-II quantum-cascade laser. We obtained very low linewidth enhancement factor of 0.83 near threshold.