Optical millimeter-wave signal generation using frequency quadrupling technique and no optical filtering

Chun-Ting Lin*, Po Tsung Shih, Jyehong Chen, Wen Qiang Xue, Peng Chun Peng, Sien Chi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

158 Scopus citations

Abstract

This letter demonstrates a novel method to generate high-purity optical millimeter-wave signals with carrier suppression by using a frequency quadrupling technique. To the authors' knowledge, this is the first time that a frequency quadrupling system requires only a single integrated Mach-Zehnder modulator without a narrowband optical filter to remove undesired optical sidebands. Since no optical filter is needed, fast frequency tuning is straightforward and this approach will be particularly attractive for optical up-conversion in wavelength-divisionmultiplexing radio-over-fiber systems. This letter provides both theoretical analysis and experimental demonstration. The generated optical millimeter-wave signals have very high quality with an optical carrier and harmonic distortion suppression ratio of more than 38 and 36 dB at 40 and 72 GHz, respectively.

Original languageEnglish
Pages (from-to)1027-1029
Number of pages3
JournalIEEE Photonics Technology Letters
Volume20
Issue number12
DOIs
StatePublished - 15 Jun 2008

Keywords

  • Mach-Zehnder modulator (MZM)
  • Optical frequency multiplication
  • Optical millimeter-wave
  • Radio-over-fiber (RoF)

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