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Bottom-emitting VCSEL's for high-CW optical output power

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7 Author(s)
Grabherr, M. ; Dept. of Optoelectron., Ulm Univ., Germany ; Jager, R. ; Miller, M. ; Thalmaier, C.
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Bottom-emitting vertical-cavity surface-emitting InGaAs MQW lasers operating in the 980-nm wavelength regime have been designed for high continuous-wave optical output power. Devices of 200-μm active diameter and optimized performance reach 350-mW maximum output power when mounted on a heat sink. 50-μm-size lasers produce 100 mW at 25% electrical to optical power conversion efficiency. Thermal properties and size dependent basic characteristics are investigated in detail.

Published in:

Photonics Technology Letters, IEEE  (Volume:10 ,  Issue: 8 )