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Very low threshold 1.55 μm grating coupled surface-emitting lasers for optical signal processing and interconnect

  • F. S. Choa
  • , M. H. Shih
  • , J. Y. Fan
  • , G. J. Simonis
  • , P. L. Liu
  • , T. Tanbun-Ek
  • , R. A. Logan
  • , W. T. Tsang
  • , A. M. Sergent
  • University of Maryland, Baltimore County
  • Laboratory for Physical Sciences
  • U.S. Army Research Laboratory
  • Nokia

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We report in this work a record low threshold (∼4 mA, cw), 1.55 μm wavelength, grating-coupled surface-emitting laser (GCSEL) which rivals all other existing SELs in the 1.3 or/and 1.55 μm regions. Methods to improve the asymmetric far-field patterns and to obtain even lower threshold SELs are also demonstrated and/or suggested.

Original languageEnglish
Pages (from-to)2777
Number of pages1
JournalApplied Physics Letters
Volume67
DOIs
StatePublished - 1995

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