{"title":"GaAs/AlGaAs electrooptic modulator with novel electrodes and bandwidth in excess of 40 GHz","authors":"R. Spickermann, S. Sakamoto, M. Peters, N. Dagli","doi":"10.1109/DRC.1995.496276","DOIUrl":null,"url":null,"abstract":"This abstract reports the latest results of our ongoing effort on GaAs/AlGaAs traveling wave Mach-Zehnder electrooptic modulators. Previously we reported >40 GHz electrical bandwidths but with rather large on/off voltage V/sub /spl pi//. By introducing a completely different electrode design we have reduced the V/sub /spl pi// from 28 V to 10 V while keeping the measured bandwidth >40 GHz. Furthermore the new design reduces the microwave loss, which determines the bandwidth, from 4.6 to 3.2 dB/cm at 35 GHz. Additionally, this new electrode geometry has the potential for further V/sub /spl pi// reduction while maintaining low loss.","PeriodicalId":326645,"journal":{"name":"1995 53rd Annual Device Research Conference Digest","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1995-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"1995 53rd Annual Device Research Conference Digest","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/DRC.1995.496276","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 abstract reports the latest results of our ongoing effort on GaAs/AlGaAs traveling wave Mach-Zehnder electrooptic modulators. Previously we reported >40 GHz electrical bandwidths but with rather large on/off voltage V/sub /spl pi//. By introducing a completely different electrode design we have reduced the V/sub /spl pi// from 28 V to 10 V while keeping the measured bandwidth >40 GHz. Furthermore the new design reduces the microwave loss, which determines the bandwidth, from 4.6 to 3.2 dB/cm at 35 GHz. Additionally, this new electrode geometry has the potential for further V/sub /spl pi// reduction while maintaining low loss.
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