TITLE

Enhanced wavelength tuning of an InGaAsP-InP laser with a thermal-strain-magnifying trench

AUTHOR(S)
Cohen, D. A.; Choen, D.A.; Mason, B.; Dolan, J.; Burns, C.; Coldren, L. A.; Coldren, L.A.
PUB. DATE
October 2000
SOURCE
Applied Physics Letters;10/23/2000, Vol. 77 Issue 17
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have used temperature-dependent strain from differential thermal expansion to increase the temperature tuning rate, dλ/dT, of the modal wavelength of an InP-based laser. The effectiveness of the strain may be further enhanced with a deep trench etch beneath the laser waveguide. We have obtained a 50% increase in the tuning rate, without degradation of the threshold current, and a maximum increase of 86%. © 2000 American Institute of Physics.
ACCESSION #
4414678

 

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