TITLE

Single-mode 1.27 μm InGaAs vertical cavity surface-emitting lasers with temperature-tolerant modulation characteristics

AUTHOR(S)
Chacinski, Marek; Schatz, Richard; Kjebon, Olle; Hammar, Mattias; von Würtemberg, Rickard Marcks; Mogg, Sebastian; Sundgren, Petrus; Berggren, Jesper
PUB. DATE
May 2005
SOURCE
Applied Physics Letters;5/23/2005, Vol. 86 Issue 21, p211109
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The dynamic performance of InGaAs/GaAs 1.27 μm single-mode vertical cavity surface emitting lasers (VCSELs) is presented. In order to reach such a long wavelength, the devices utilize highly strained double-quantum wells and a large detuning between the material gain peak and cavity resonance. It is found that the large detuning improves the temperature stability of both static and modulation characteristics. A resonance frequency of 7.8–9.5 GHz and optical power of 0.30 mW in fiber was maintained throughout the investigated temperature range of 20–90 °C. The intrinsic response of the device suggests that long-wavelength InGaAs/GaAs VCSELs have the potential to be used as low cost uncooled optical transmitters at 10 Gbit/s.
ACCESSION #
17226920

 

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