TITLE

Monolithic integration of vertical-cavity surface-emitting lasers with in-plane waveguides

AUTHOR(S)
Witzens, Jeremy; Scherer, Axel; Pickrell, Gregory; Louderback, Duane; Guilfoyle, Peter
PUB. DATE
March 2005
SOURCE
Applied Physics Letters;3/7/2005, Vol. 86 Issue 10, p101105
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The ability to couple light from a vertical-cavity surface-emitting laser into a planar, on-chip waveguide creates new opportunities for achieving higher levels of integration and functionality. Here we propose to use a strong grating etched into a waveguide defined into the top layer of the epitaxially grown structure, so that epitaxial regrowth is not required. By introducing a defect mode into the cavity we were able to achieve a 40% coupling efficiency even though light is coupled through a ninety degrees bend. We also show that polarization control of the vertical-cavity surface-emitting laser is enhanced by coupling to the defect mode. Calculations were performed using the finite-difference time-domain method.
ACCESSION #
16581521

 

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