Junction temperature measurement of InAs quantum-dot laser diodes by utilizing voltage-temperature method

Jung Hwa Jeong, Kyoung Chan Kim, Jung Il Lee, Hyun Jae Kim, Il Ki Han

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Junction temperature of InAs quantum-dot laser diodes (LDs) is measured by utilizing a forward voltage-temperature method. Although the forward voltage decrease with junction temperature increment is low, the linear relation between forward voltage and temperature clearly occurs. It is found that SiNx is more useful than SiO2 to keep junction temperature low. Injection current to shift the lasing wavelength from ground to excited state is increased over 200 mA by using SiNx instead of SiO2 as the insulating layer. As a result, ground state optical power is doubled.

Original languageEnglish
Pages (from-to)1354-1356
Number of pages3
JournalIEEE Photonics Technology Letters
Volume20
Issue number16
DOIs
Publication statusPublished - 2008 Aug 15

Fingerprint

Quantum dot lasers
Temperature measurement
temperature measurement
Semiconductor lasers
semiconductor lasers
quantum dots
Electric potential
electric potential
Temperature
temperature
lasing
Excited states
Ground state
injection
ground state
indium arsenide
shift
Wavelength
wavelengths
excitation

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Jeong, Jung Hwa ; Kim, Kyoung Chan ; Lee, Jung Il ; Kim, Hyun Jae ; Han, Il Ki. / Junction temperature measurement of InAs quantum-dot laser diodes by utilizing voltage-temperature method. In: IEEE Photonics Technology Letters. 2008 ; Vol. 20, No. 16. pp. 1354-1356.
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Junction temperature measurement of InAs quantum-dot laser diodes by utilizing voltage-temperature method. / Jeong, Jung Hwa; Kim, Kyoung Chan; Lee, Jung Il; Kim, Hyun Jae; Han, Il Ki.

In: IEEE Photonics Technology Letters, Vol. 20, No. 16, 15.08.2008, p. 1354-1356.

Research output: Contribution to journalArticle

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