The microstrip laser

We present a novel semiconductor laser structure, the microstrip laser, where the epitaxial laser layers sit directly above a thick gold layer, instead of on a conventional semiconductor substrate. This design provides advantages for both high frequency and high-power performance compared to convent...

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Bibliographic Details
Published in:IEEE photonics technology letters 1998-04, Vol.10 (4), p.478-480
Main Authors: Tauber, D., Horita, M., Piprek, J., Abraham, P., Holmes, A.L., Bowers, J.E.
Format: Article
Language:English
Subjects:
Erbium-doped fiber lasers
Gold
Heat sinks
Laser beam cutting
Microstrip
Pump lasers
Semiconductor lasers
Substrates
Thermal resistance
Waveguide lasers
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Summary:We present a novel semiconductor laser structure, the microstrip laser, where the epitaxial laser layers sit directly above a thick gold layer, instead of on a conventional semiconductor substrate. This design provides advantages for both high frequency and high-power performance compared to conventional ridge waveguide structures. Results indicative of an improved structure are presented, including a factor of 3 reduction in the thermal resistance of the microstrip laser compared to a conventional laser.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.662566