Simple autocorrelation technique based on degree-of-polarization measurement

T. Luo, Changyuan Yu, L. S. Yan, S. Kumar, Z. Pan, A. E. Willner

Research output: Journal article publicationJournal articleAcademic researchpeer-review

3 Citations (Scopus)

Abstract

We demonstrate a simple optical-fiber-based autocorrelator for picosecond short pulses based on degree-of-polarization measurement while tuning the relative delay of the two orthogonal polarization states of the pulse. The pulsewidths of 20-, 40-, and 80-GHz pulse trains and 2-ps pulses generated by a mode-locked laser are measured. The ←-10-dBm optical powers are used in the experiment. The measurement results agree well with the measurements using conventional techniques. Compared with conventional autocorrelators, this technique has the advantages of 1) wavelength independent, 2) significant less alignment, and 3) no high power required.
Original languageEnglish
Pages (from-to)1606-1608
Number of pages3
JournalIEEE Photonics Technology Letters
Volume18
Issue number15
DOIs
Publication statusPublished - 1 Aug 2006
Externally publishedYes

Keywords

  • Autocorrelator
  • Degree of polarization (DOP)
  • Differential group delay (DGD)
  • Short pulses

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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