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Surface-emitting tapered unstable resonator laser with integrated focusing grating coupler comparing linear and trumpet shaped taper

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4 Author(s)
Kristjansson, S. ; Dept. of Microelectron., Chalmers Univ. of Technol., Goteborg, Sweden ; Eriksson, N. ; Modh, P. ; Larsson, A.

Here we compare the performance of InGaAs SQW tapered unstable resonator lasers (TURL) with linear-shaped-taper with lasers that have a trumpet-shaped-taper that follows the shape of the optical mode as it expands while propagating in the laser resonator. The laser resonator is defined by two first-order feedback gratings and is completely separated from the grating outcoupler.

Published in:

Semiconductor Laser Conference, 2000. Conference Digest. 2000 IEEE 17th International

Date of Conference:

25-28 Sept. 2000