Current versus light-output characteristics with no definite threshold in pnpn vertical to surface transmission electro-photonic devices with a vertical cavity

Takahiro Numai, Mitsunori Sugimoto, Ichiro Ogura, Hideo Kosaka, Kenichi Kasahara

Research output: Contribution to journalArticlepeer-review

35 Citations (Scopus)

Abstract

We demonstrate surface-emitting laser operation in pnpn structure vertical to surface transmission electro-photonic devices (VSTEPs) with a vertical cavity, i.e., VC-VSTEPs. Continuous-wave (cw) laser operation at room temperature is achieved with a VC-VSTEP mounted directly on a glass sheet with no heat sink. The threshold current is 3 mA for a 10 tim square device. In pulsed operation, this device shows current vs light-output characteristics with no definite threshold. The light output spectrum shows single mode operation in which the spectral width is the same value as the resolution of a spectrometer.

Original languageEnglish
Pages (from-to)L602-L604
JournalJapanese journal of applied physics
Volume30
Issue number4
DOIs
Publication statusPublished - 1991 Apr

Keywords

  • Optical functional device
  • Surface emitting laser
  • Threshold

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

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