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Single-mode lasing of microdisk lasers with low threshold

  • Yu Zhai Pan
  • , Hui Suo
  • , Yong Qiang Ning
  • , Yun Liu
  • , Li Jun Wang

Research output: Contribution to journalArticlepeer-review

Abstract

The lasing modes and the spontaneous emission factors of microdisk lasers are simply analyzed. InGaAs/InGaAsP multiple quantum wells (MQWs) microdisk lasers are fabricated by using the methods of active ion etching (RIE) and selective chemical etching. The diameter of the microdisk lasers was 3 μm. InGaAs/InGaAsP MQWs microdisk lasers cooled by liquid nitrogen was optically pumped. The single-mode lasing at 1.506 μm wavelength with threshold pump power about 18 μW is obtained.

Original languageEnglish
Pages (from-to)681-684
Number of pages4
JournalZhongguo Jiguang/Chinese Journal of Lasers
Volume28
Issue number8
StatePublished - Aug 2001
Externally publishedYes

Keywords

  • Microdisk laser
  • Multiple quantum well (MQW)
  • Single-mode lasing
  • Whispering-gallery mode

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