Threshold gain and threshold current analysis of circular grating DFB and DBR lasers

Chunmeng Wu, Toshihiko Makino, S. Iraj Najafi, Romain Maciejko, Mikelis Svilans, Jan Glinski, Mahmoud Fallahi

Research output: Contribution to journalArticle

40 Citations (Scopus)

Abstract

A TE-cylindrical wave threshold gain and threshold current analysis is presented for circular grating distributed feedback (CG-DFB) and circular grating distributed-Bragg-reflector (CG-DBR) lasers. Mode properties of CG-DFB/DBR lasers are discussed. It is found that the threshold gain, threshold current density and threshold current of CG-DBR lasers can be much lower than those of CG-DFB lasers.

Original languageEnglish (US)
Pages (from-to)2596-2606
Number of pages11
JournalIEEE Journal of Quantum Electronics
Volume29
Issue number10
DOIs
StatePublished - Oct 1993
Externally publishedYes

Fingerprint

DBR lasers
Distributed feedback lasers
threshold currents
gratings
thresholds
lasers
distributed feedback lasers
Threshold current density
Laser modes
cylindrical waves
Feedback
current density

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Physics and Astronomy (miscellaneous)

Cite this

Threshold gain and threshold current analysis of circular grating DFB and DBR lasers. / Wu, Chunmeng; Makino, Toshihiko; Najafi, S. Iraj; Maciejko, Romain; Svilans, Mikelis; Glinski, Jan; Fallahi, Mahmoud.

In: IEEE Journal of Quantum Electronics, Vol. 29, No. 10, 10.1993, p. 2596-2606.

Research output: Contribution to journalArticle

Wu, C, Makino, T, Najafi, SI, Maciejko, R, Svilans, M, Glinski, J & Fallahi, M 1993, 'Threshold gain and threshold current analysis of circular grating DFB and DBR lasers', IEEE Journal of Quantum Electronics, vol. 29, no. 10, pp. 2596-2606. https://doi.org/10.1109/3.250381
Wu, Chunmeng ; Makino, Toshihiko ; Najafi, S. Iraj ; Maciejko, Romain ; Svilans, Mikelis ; Glinski, Jan ; Fallahi, Mahmoud. / Threshold gain and threshold current analysis of circular grating DFB and DBR lasers. In: IEEE Journal of Quantum Electronics. 1993 ; Vol. 29, No. 10. pp. 2596-2606.
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