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Diamond-microchip GaInNAs vertical external-cavity surface-emitting laser operating CW at 1315 nm

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9 Author(s)
Smith, S.A. ; Inst. of Photonics, Univ. of Strathclyde, Glasgow, UK ; Hopkins, J.-M. ; Hastie, J.E. ; Burns, D.
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What is believed to be the first microchip-format vertical external-cavity surface-emitting laser (VECSEL) operating at 1.3 μm is reported. Fundamental-mode continuous-wave output powers >120 mW were achieved from a cavity volume ∼0.001 mm3 using a diode-pumped GaInNAs VECSEL structure capillary-bonded to a dielectric-mirror-coated single-crystal diamond heatspreader.

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Electronics Letters  (Volume:40 ,  Issue: 15 )