Design and characterization of electrically pumped vertical external cavity surface emitting lasers

J. R. Orchard; D. T. D. Childs; L. C. Lin; B. J. Stevens; D. M. Williams; R. A. Hogg

doi:10.1117/12.875126

21 February 2011 Design and characterization of electrically pumped vertical external cavity surface emitting lasers

J. R. Orchard, D. T. D. Childs, L. C. Lin, B. J. Stevens, D. M. Williams, R. A. Hogg

Proceedings Volume 7919, Vertical External Cavity Surface Emitting Lasers (VECSELs); 79190K (2011) https://doi.org/10.1117/12.875126
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

The design of electrically pumped vertical external cavity surface emitting lasers (EP-VECSELs) for high power applications require a number of optimisations in design trade-offs, mainly that of doping for improved electrical performance and optical loss. Devices with diameter greater than 70μm and current spreading layer thickness of 100μm suffer from non-uniform carrier injection into the active region, below this diameter output power scales linearly with device area. We show CW powers of 133mW from a 150μm device with 4x10¹⁷cm^-3 substrate doping at 0°C can be obtained.

Citation Download Citation

J. R. Orchard, D. T. D. Childs, L. C. Lin, B. J. Stevens, D. M. Williams, and R. A. Hogg "Design and characterization of electrically pumped vertical external cavity surface emitting lasers", Proc. SPIE 7919, Vertical External Cavity Surface Emitting Lasers (VECSELs), 79190K (21 February 2011); https://doi.org/10.1117/12.875126

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