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1.5 µm phase-shifted DFB lasers for single-mode operation

  • K. Sekartedjo
  • , N. Eda
  • , K. Furuya
  • , Y. Suematsu
  • , F. Koyama
  • , T. Tanbun-ek
  • Department of Computational Intelligence and Systems Science, Tokyo Institute of Technology
  • University of Indonesia

Research output: Contribution to journalArticlepeer-review

143 Citations (Scopus)

Abstract

Fabrication and single-mode laser oscillation were demonstrated for modified DFB lasers where the phase of the corrugations was shifted at the centre by a quarter guided-wavelength and which, in principle, provided a resonance at the Bragg wavelength and stable single-mode oscillation. Phase-shifted corrugations were fabricated using electron-beam lithography.

Original languageEnglish
Pages (from-to)80-81
Number of pages2
JournalElectronics Letters
Volume20
Issue number2
DOIs
Publication statusPublished - 19 Jan 1984
Externally publishedYes

Keywords

  • Lasers and applications
  • Semiconductor lasers

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