Subnanosecond wavelength-tunable heterodyne receiver and analysis of its fundamental switching speed

  • Peigang Hu*
  • , Yikai Su
  • , Weisheng Hu
  • , Lufeng Leng
  • , Xiangqing Tian
  • , Hao He
  • , Yi Dong
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We experimentally demonstrate subnanosecond tunability of a heterodyne receiver employing a fast-switching local laser oscillator. A <0.7-ns switching time and the feasibility to achieve hitless switching are demonstrated. Theoretical analysis of the transition process indicates that switching time shorter than a single bit slot can be realized in a typical receiver configuration with a fast-switching local oscillator.

Original languageEnglish
Pages (from-to)355-357
Number of pages3
JournalIEEE Photonics Technology Letters
Volume18
Issue number2
DOIs
Publication statusPublished - 15 Jan 2006
Externally publishedYes

Keywords

  • Optical communication
  • Optical receivers
  • Optoelectronic devices
  • Tunable receiver

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