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1.55-μm optically pumped wafer-fused tunable VCSELs with 32-nm tuning range

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12 Author(s)
A. Syrbu ; BeamExpress S.-A, Lausanne, Switzerland ; V. Iakovlev ; G. Suruceanu ; A. Caliman
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We demonstrate widely tunable InAlGaAs-InP-AlGaAs-GaAs optically pumped vertical-cavity surface-emitting lasers operating in the 1.55-μm waveband. The tuning range of 32 nm is achieved by applying a low tuning voltage of 4 V. Maximum single-mode output power of 2 mW with less than 1.5-dB power variation over the whole tuning range and side-mode suppression ratio in excess of 30 dB have been obtained.

Published in:

IEEE Photonics Technology Letters  (Volume:16 ,  Issue: 9 )