{"title":"Wavelength-controlled DFB LDs for WDM systems","authors":"M. Yamaguchi, K. Kudo, H. Yamazaki, T. Sasaki","doi":"10.1109/LEOSST.1997.619148","DOIUrl":null,"url":null,"abstract":"Wavelength division multiplexed (WDM) lightwave systems are expected to use many wavelength-controlled light sources. The simultaneous fabrication of different wavelength laser diodes (LDs) on a wafer is therefore an important technology which would allow WDM light sources to be prepared at low cost. The lasing wavelengths of these LDs must be precisely controlled to coincide with pre-assigned wavelength grids for WDM systems. Each LD with different wavelength should have uniform lasing characteristics. We developed a new type of wavelength controlled distributed feedback (DFB) LD. Uniform lasing characteristics were demonstrated for 40-channel different wavelength DFB LDs fabricated on one wafer, over a 75 nm-wide wavelength range.","PeriodicalId":344325,"journal":{"name":"1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1997-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1997 Digest of the IEEE/LEOS Summer Topical Meeting: Vertical-Cavity Lasers/Technologies for a Global Information Infrastructure/WDM Components Technology/Advanced Semiconductor Lasers and Application","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/LEOSST.1997.619148","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1

Abstract

Wavelength division multiplexed (WDM) lightwave systems are expected to use many wavelength-controlled light sources. The simultaneous fabrication of different wavelength laser diodes (LDs) on a wafer is therefore an important technology which would allow WDM light sources to be prepared at low cost. The lasing wavelengths of these LDs must be precisely controlled to coincide with pre-assigned wavelength grids for WDM systems. Each LD with different wavelength should have uniform lasing characteristics. We developed a new type of wavelength controlled distributed feedback (DFB) LD. Uniform lasing characteristics were demonstrated for 40-channel different wavelength DFB LDs fabricated on one wafer, over a 75 nm-wide wavelength range.
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波分复用系统的波长控制DFB ld
波分复用(WDM)光波系统期望使用许多波长控制的光源。因此,在晶圆上同时制造不同波长的激光二极管(ld)是一项重要的技术,可以使WDM光源以低成本制备。这些ld的激光波长必须精确控制,以符合WDM系统预先分配的波长网格。不同波长的LD应具有均匀的激光特性。我们开发了一种新型的波长控制分布反馈(DFB) LD。在一个晶圆上制作的40通道不同波长DFB LD在75 nm宽的波长范围内具有均匀的激光特性。
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