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Wavelength stabilisation during current pulsing of tapered laser

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1 Author(s)
Jensen, O.B. ; Dept. of Photonics Eng., Tech. Univ. of Denmark, Roskilde, Denmark

The use of external feedback to stabilise the frequency of a tapered laser during current pulsing is reported. Using this technique more than 20 W of peak power in 60 ns pulses from the tapered laser is obtained and owing to the external feedback, the laser is tunable in the 778-808 nm range. The spectral width of the tapered laser is significantly narrowed compared to the freely running laser.

Published in:

Electronics Letters  (Volume:45 ,  Issue: 15 )