Low-threshold-current distributed-feedback InGaAsP/InP CW lasers

S. Akiba, K. Utaka, K. Sakai, Y. Matsushima

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)


Distributed-feedback buried-heterostructure InGaAsP/lnP lasers with room temperature CW threshold current as low as 50 mA, corresponding to a current density of 2-3 kA/cm2, are presented. CW operation in the temperature range from −20°C to 58°C was confirmed.

Original languageEnglish
Pages (from-to)77-78
Number of pages2
JournalElectronics Letters
Issue number2
Publication statusPublished - 1982 Jan 21
Externally publishedYes


  • Lasers
  • Semiconductor lasers

ASJC Scopus subject areas

  • Electrical and Electronic Engineering


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