Multichip vertical-external-cavity surface-emitting lasers: A coherent power scaling scheme

Li Fan; Mahmoud Fallahi; Jörg Hader; Aramais R. Zakharian; Jerome V. Moloney; James T. Murray; Robert Bedford; Wolfgang Stolz; Stephan W. Koch

doi:10.1364/OL.31.003612

Multichip vertical-external-cavity surface-emitting lasers: A coherent power scaling scheme

Li Fan, Mahmoud Fallahi, Jörg Hader, Aramais R. Zakharian, Jerome V. Moloney, James T. Murray, Robert Bedford, Wolfgang Stolz, Stephan W. Koch

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

We propose an efficient coherent power scaling scheme, the multichip vertical-external-cavity surfaceemitting laser (VECSEL), in which the waste heat generated in the active region is distributed on multi- VECSEL chips such that the pump level at the thermal rollover is significantly increased. The advantages of this laser are discussed, and the development and demonstration of a two-chip VECSEL operating around 970 nm with over 19 W of output power is presented.

Original language	English (US)
Pages (from-to)	3612-3614
Number of pages	3
Journal	Optics letters
Volume	31
Issue number	24
DOIs	https://doi.org/10.1364/OL.31.003612
State	Published - Dec 15 2006

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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title = "Multichip vertical-external-cavity surface-emitting lasers: A coherent power scaling scheme",

abstract = "We propose an efficient coherent power scaling scheme, the multichip vertical-external-cavity surfaceemitting laser (VECSEL), in which the waste heat generated in the active region is distributed on multi- VECSEL chips such that the pump level at the thermal rollover is significantly increased. The advantages of this laser are discussed, and the development and demonstration of a two-chip VECSEL operating around 970 nm with over 19 W of output power is presented.",

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AU - Fan, Li

AU - Fallahi, Mahmoud

AU - Hader, Jörg

AU - Zakharian, Aramais R.

AU - Moloney, Jerome V.

AU - Murray, James T.

AU - Bedford, Robert

AU - Stolz, Wolfgang

AU - Koch, Stephan W.

PY - 2006/12/15

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AB - We propose an efficient coherent power scaling scheme, the multichip vertical-external-cavity surfaceemitting laser (VECSEL), in which the waste heat generated in the active region is distributed on multi- VECSEL chips such that the pump level at the thermal rollover is significantly increased. The advantages of this laser are discussed, and the development and demonstration of a two-chip VECSEL operating around 970 nm with over 19 W of output power is presented.

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Multichip vertical-external-cavity surface-emitting lasers: A coherent power scaling scheme

Abstract

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