{"title":"MEMS Tunable Coupled-Cavity Laser","authors":"H. Cai, X.M. Zhang, Q. Zhang, A. Liu","doi":"10.1109/SENSOR.2007.4300415","DOIUrl":null,"url":null,"abstract":"This paper presents a MEMS based tunable coupled-cavity laser (CCL), which employs a deep-etched parabolic mirror to adjust the gap of the CCL for optimal phase match. In experiment, such mirror measures an initial coupling efficiency of 70.5% and a low variation (<5 %) of the efficiency even when the mirror is translated by 20 mum, which is ideal for the CCL to change the cavity length (i.e., phase condition) without deteriorating the optical coupling. Stable single-mode laser output over 6.5 nm is demonstrated. Compared with the traditional CCLs that have fixed air gap, this design offers an additional degree of freedom to adjust the CCL to its optimal tuning state.","PeriodicalId":23295,"journal":{"name":"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference","volume":"36 1","pages":"1441-1444"},"PeriodicalIF":0.0000,"publicationDate":"2007-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SENSOR.2007.4300415","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
This paper presents a MEMS based tunable coupled-cavity laser (CCL), which employs a deep-etched parabolic mirror to adjust the gap of the CCL for optimal phase match. In experiment, such mirror measures an initial coupling efficiency of 70.5% and a low variation (<5 %) of the efficiency even when the mirror is translated by 20 mum, which is ideal for the CCL to change the cavity length (i.e., phase condition) without deteriorating the optical coupling. Stable single-mode laser output over 6.5 nm is demonstrated. Compared with the traditional CCLs that have fixed air gap, this design offers an additional degree of freedom to adjust the CCL to its optimal tuning state.
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