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40 GHz bandwidth and 64 GHz resonance frequency in injection-locked 1.55 μm VCSELs

  • Lukas Chrostowski
  • , Behnam Faraji
  • , Werner Hofmann
  • , Markus Christian Amann
  • , Sebastian Wieczorek
  • , Weng W. Chow

Research output: Chapter in Book/Report/Conference proceedingConference contribution

88 Scopus citations

Abstract

Injection locking is shown to greatly enhance the resonance frequency of 1.55 μm vertical-cavity surface-emitting lasers (VCSELs), from 10 to 60 GHz, under ultrahigh injection locking conditions. Using injection locking to increase the laser resonance frequency, together with a low parasitic VCSEL design, a 3 dB bandwidth of over 40 GHz was attained, a record broadband performance for directly modulated VCSELs. VCSELs with slightly detuned polarization modes are injection locked with controlled polarization angles. For the first time, a dual-resonance frequency response is observed, and is explained with a two polarization-mode injection-locked rate equation model. © 2007 IEEE.
Original languageEnglish
Title of host publicationIEEE Journal on Selected Topics in Quantum Electronics
Pages1200-1208
Number of pages9
Volume13
Edition5
DOIs
StatePublished - Sep 1 2007
Externally publishedYes

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