Accurate determination of transient chirp parameter in high speed digital lightwave transmitters

Jichai Jeong, Y. K. Park

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

The authors report a simple yet accurate method for determining the transient α-parameter based on the output pulse and time resolved frequency chirp data. This new method is applied to 10 and 20Gbit/s Ti:LiNbO3 modulator-based transmitters driven by NRZ data with pseudo-random bit sequence. The calculated time resolved frequency chirp using this newly determined α-parameter closely matched the measured data. It is also shown that the conventional α-parameter values determined using the electrical signal ratio applied to the modulator section grossly under-estimates the actual values.

Original languageEnglish
Pages (from-to)605-606
Number of pages2
JournalElectronics Letters
Volume33
Issue number7
DOIs
Publication statusPublished - 1997 Mar 27

Keywords

  • Chirp
  • Optical communication
  • Optical fibres

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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