35-GHz modulation bandwidth in injection-locked semiconductor lasers

Sheng-Kwang Hwang, J. M. Liu, J. K. White

Research output: Contribution to conferencePaper

2 Citations (Scopus)

Abstract

High-speed direct modulation of semiconductor lasers has important applications in optical communications. However, the maximum bandwidth for a free-running laser is limited by the K factor. It is demonstrated that the modulation bandwidth can be increased significantly through the injection locking technique, which even exceeds the limitation set by the K factor. This paper experimentally demonstrates that, by using the injection locking method, a modulation bandwidth of 35 GHz that is free from electrical parasitic effects is achieved in 1.3-μm DFB lasers.

Original languageEnglish
Pages710-711
Number of pages2
Publication statusPublished - 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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