Applied Physics B

, Volume 91, Issue 2, pp 257–264

On the design of electrically pumped vertical-external-cavity surface-emitting lasers

  • P. Kreuter
  • B. Witzigmann
  • D.J.H.C. Maas
  • Y. Barbarin
  • T. Südmeyer
  • U. Keller
Open Access


Vertical-external-cavity surface-emitting lasers (VECSELs) yield an excellent beam quality in conjunction with a scalable output power. This paper presents a detailed numerical analysis of electrically pumped VECSEL (EP-VECSEL) structures. Electrical pumping is a key element for compact laser devices. We consider the optical loss, current confinement, and device resistance. The main focus of our investigation is on the achievement of an adequate radial carrier distribution for fundamental transverse mode operation. It will be shown that a trade off between the conflicting optical and electrical optimization has to be found and we derive an optimized design resulting in guidelines for the design of EP-VECSELs which are compatible with passive mode locking.


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Copyright information

© The Author(s) 2008

Authors and Affiliations

  • P. Kreuter
    • 1
  • B. Witzigmann
    • 1
  • D.J.H.C. Maas
    • 2
  • Y. Barbarin
    • 2
  • T. Südmeyer
    • 2
  • U. Keller
    • 2
  1. 1.Integrated Systems Laboratory, Department of Information Technology and Electrical EngineeringETH ZurichZurichSwitzerland
  2. 2.Institute of Quantum Electronics, Physics DepartmentETH ZurichZurichSwitzerland

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