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

K. Sekartedjo, N. Eda, K. Furuya, Y. Suematsu, F. Koyama, T. Tanbun-ek

Research output: Contribution to journalArticlepeer-review

140 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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