All-fiber frequency shifter based on an acousto-optic tunable filter cascaded with a tapered fiber-coupled microcavity

Xiaofang Han, Yue Hu, Jiwei Li, Pengfa Chang, Feng Gao, Xiao Dong, Fang Bo, Wending Zhang, Guoquan Zhang, Jingjun Xu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

An all-fiber acousto-optic frequency shifter (AOFS) based on an acousto-optic tunable filter (AOTF) cascaded with a packaged tapered fiber (TF)-coupled microsphere was proposed and demonstrated in both theory and experiment. The configuration has the advantages of easy alignment, robustness, compact size, and low cost, which will improve its further application, such as in the optical heterodyne detection technique (OHDT).

Original languageEnglish
Article number497
JournalCrystals
Volume11
Issue number5
DOIs
StatePublished - May 2021

Keywords

  • Acousto-optic tunable filter
  • Heterodyne
  • Whispering gallery mode

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