Optical Review

, Volume 21, Issue 4, pp 425–428

RF spectral modulation caused by delayed interference and photodetection of optical noise

  • Keisuke Nose
  • Yasuyuki Ozeki
  • Yasuo Kanematsu
  • Yoshizo Takai
  • Kazuyoshi Itoh
Letters

DOI: 10.1007/s10043-014-0066-1

Cite this article as:
Nose, K., Ozeki, Y., Kanematsu, Y. et al. OPT REV (2014) 21: 425. doi:10.1007/s10043-014-0066-1

Abstract

We demonstrate that an RF spectral fringe appears when a nonpolarized optical noise and its delayed replica are combined and photo-detected without any polarization control. A theoretical analysis explains the visibility of the fringe and its insensitivity to polarization.

Keywords

spectral interferometrygroup delay measurementoptical noise

Copyright information

© The Optical Society of Japan 2014

Authors and Affiliations

  • Keisuke Nose
    • 1
  • Yasuyuki Ozeki
    • 2
  • Yasuo Kanematsu
    • 1
  • Yoshizo Takai
    • 1
  • Kazuyoshi Itoh
    • 1
  1. 1.Department of Material and Life Science, Graduate School of EngineeringOsaka UniversitySuita, OsakaJapan
  2. 2.Department of Electrical Engineering and Information Systems, Graduate School of EngineeringThe University of TokyoBunkyo, TokyoJapan