Polarization-controlled 850-nm-wavelength vertical-cavity surface-emitting lasers grown on (311)B substrates by metal-organic chemical vapor deposition

Hiroyuki Uenohara, Kouta Tateno, Toshiaki Kagawa, Yoshitaka Ohiso, Hiroyuki Tsuda, Takashi Kurokawa, Chikara Amano

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

We demonstrate the polarization stability of 850-nm-wavelength vertical-cavity surface-emitting lasers (VCSEL's) grown on (311)B substrates under continuous-wave (CW) and dynamic operation. To clearly verify the polarization stability of VCSEL's on (311)B substrates due to the anisotropic optical gain, the characteristics of both VCSEL's on (311)B and (100) substrates were compared experimentally. Under CW operation, very small difference in both orthogonal polarization suppression ratio and the distribution of polarization direction was observed between VCSEL's on (311)B and (100) polyimide-buried structures. On the other hand, significantly larger orthogonal polarization suppression ratio was obtained for VCSEL's on (311)B substrates than those on (100) substrates under zero-bias modulation. Time-dependent orthogonal polarization suppression ratio measurements also showed that the orthogonal polarization suppression ratios of the VCSEL on (311)B substrates were more stable than those on (100) substrates. The data transmission characteristics also indicate large differences in the dependence of the bit error rate on bias current and the power penalty between polarization resolved and unresolved systems between VCSEL's on (311)B and (100) substrates. The beneficial effect of the polarization stability of VCSEL's on (311)B substrates due to their anisotropic optical gain is clearly demonstrated.

Original languageEnglish
Pages (from-to)537-545
Number of pages9
JournalIEEE Journal on Selected Topics in Quantum Electronics
Volume5
Issue number3
DOIs
Publication statusPublished - 1999 May 1
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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