Influence of the spatial pump distribution on the performance of high power vertical-external-cavity surface-emitting lasers

A. Chernikov; J. Herrmann; Maik A Scheller; M. Koch; B. Kunert; W. Stolz; S. Chatterjee; S. W. Koch; T. L. Wang; Y. Kaneda; J. M. Yarborough; J. Hader; J. V. Moloney

doi:10.1063/1.3515911

Influence of the spatial pump distribution on the performance of high power vertical-external-cavity surface-emitting lasers

A. Chernikov
, J. Herrmann
, Maik A Scheller
, M. Koch
, B. Kunert
, W. Stolz
, S. Chatterjee
, S. W. Koch
, T. L. Wang
, Y. Kaneda
, J. M. Yarborough
, J. Hader
, J. V. Moloney

James C Wyant Coll Optical Sci

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

27 Scopus citations

Abstract

The performance of a 1040 nm vertical-external-cavity surface-emitting laser is studied as function of the size and shape of the pumped area. The input-output characteristics of the device are monitored while simultaneously tracking the temperature in the active region. It is shown that the pump spot shape plays a crucial role in optimizing the laser output. Improvements up to a factor of 5 are found for a super-Gaussian in comparison to the standard Gaussian shape. For the large pump-spot sizes needed for high output powers, it turns out that the power-scalability breaks down due to the suppressed lateral heat flow.

Original language	English (US)
Article number	191110
Journal	Applied Physics Letters
Volume	97
Issue number	19
DOIs	https://doi.org/10.1063/1.3515911
State	Published - Nov 8 2010

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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Chernikov, A., Herrmann, J., Scheller, M. A., Koch, M., Kunert, B., Stolz, W., Chatterjee, S., Koch, S. W., Wang, T. L., Kaneda, Y., Yarborough, J. M., Hader, J., & Moloney, J. V. (2010). Influence of the spatial pump distribution on the performance of high power vertical-external-cavity surface-emitting lasers. Applied Physics Letters, 97(19), Article 191110. https://doi.org/10.1063/1.3515911

Chernikov, A, Herrmann, J, Scheller, MA, Koch, M, Kunert, B, Stolz, W, Chatterjee, S, Koch, SW, Wang, TL, Kaneda, Y, Yarborough, JM, Hader, J & Moloney, JV 2010, 'Influence of the spatial pump distribution on the performance of high power vertical-external-cavity surface-emitting lasers', Applied Physics Letters, vol. 97, no. 19, 191110. https://doi.org/10.1063/1.3515911

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title = "Influence of the spatial pump distribution on the performance of high power vertical-external-cavity surface-emitting lasers",

abstract = "The performance of a 1040 nm vertical-external-cavity surface-emitting laser is studied as function of the size and shape of the pumped area. The input-output characteristics of the device are monitored while simultaneously tracking the temperature in the active region. It is shown that the pump spot shape plays a crucial role in optimizing the laser output. Improvements up to a factor of 5 are found for a super-Gaussian in comparison to the standard Gaussian shape. For the large pump-spot sizes needed for high output powers, it turns out that the power-scalability breaks down due to the suppressed lateral heat flow.",

author = "A. Chernikov and J. Herrmann and Scheller, \{Maik A\} and M. Koch and B. Kunert and W. Stolz and S. Chatterjee and Koch, \{S. W.\} and Wang, \{T. L.\} and Y. Kaneda and Yarborough, \{J. M.\} and J. Hader and Moloney, \{J. V.\}",

note = "Funding Information: This work was supported by the U.S. Joint Technology Office Multidisciplinary Research Initiative Program Grant No. AFOSR FA9550-07-1-0573, by the Deutsche Forschungsgemeinschaft, and the Humboldt Foundation.",

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doi = "10.1063/1.3515911",

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AU - Chernikov, A.

AU - Herrmann, J.

AU - Scheller, Maik A

AU - Koch, M.

AU - Kunert, B.

AU - Stolz, W.

AU - Chatterjee, S.

AU - Koch, S. W.

AU - Wang, T. L.

AU - Kaneda, Y.

AU - Yarborough, J. M.

AU - Hader, J.

AU - Moloney, J. V.

N1 - Funding Information: This work was supported by the U.S. Joint Technology Office Multidisciplinary Research Initiative Program Grant No. AFOSR FA9550-07-1-0573, by the Deutsche Forschungsgemeinschaft, and the Humboldt Foundation.

PY - 2010/11/8

Y1 - 2010/11/8

N2 - The performance of a 1040 nm vertical-external-cavity surface-emitting laser is studied as function of the size and shape of the pumped area. The input-output characteristics of the device are monitored while simultaneously tracking the temperature in the active region. It is shown that the pump spot shape plays a crucial role in optimizing the laser output. Improvements up to a factor of 5 are found for a super-Gaussian in comparison to the standard Gaussian shape. For the large pump-spot sizes needed for high output powers, it turns out that the power-scalability breaks down due to the suppressed lateral heat flow.

AB - The performance of a 1040 nm vertical-external-cavity surface-emitting laser is studied as function of the size and shape of the pumped area. The input-output characteristics of the device are monitored while simultaneously tracking the temperature in the active region. It is shown that the pump spot shape plays a crucial role in optimizing the laser output. Improvements up to a factor of 5 are found for a super-Gaussian in comparison to the standard Gaussian shape. For the large pump-spot sizes needed for high output powers, it turns out that the power-scalability breaks down due to the suppressed lateral heat flow.

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Influence of the spatial pump distribution on the performance of high power vertical-external-cavity surface-emitting lasers

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