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1.5-mW single-mode operation of wafer-fused 1550-nm VCSELs

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10 Author(s)
Syrbu, A. ; BeamExpress S.A., Lausanne, Switzerland ; Mircea, A. ; Mereuta, A. ; Caliman, A.
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We demonstrate 1.5-μm waveband wafer-fused InGaAlAs-InP-AlGaAs-GaAs vertical-cavity surface-emitting lasers (VCSELs) emitting high single-mode power of 1.5 mW at room temperature with sidemode suppression ratio of over 30 dB and a full-width at half-maximum far field angle of 9°. These devices have thermal resistance value below 1.5 K/mW and are emitting 0.2 mW at 70°C. VCSELs with a wavelength span of 40-nm emission are produced from the same active cavity material, which shows the potential of realizing multiple-wavelength VCSEL arrays.

Published in:

Photonics Technology Letters, IEEE  (Volume:16 ,  Issue: 5 )

Date of Publication:

May 2004

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