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Low tuning current semiconductor coupled-cavity lasers incorporating Bragg reflectors

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4 Author(s)
Brown, D.H. ; Sch. of Phys. & Astron., Univ. of St. Andrews, UK ; Flynn, M.B. ; O'Faolain, L. ; Krauss, T.F.

Edge-emitting coupled-cavity semiconductor lasers employing a deeply etched Bragg reflector at one facet have been realized. The sidemode suppression ratio (SMSR) and wavelength tuning were investigated as a function of low level current injection. A single-mode tuning range of 3 nm centered around 977 nm displaying an SMSR better than 20 dB was obtained for tuning currents in the milliampere range.

Published in:

Photonics Technology Letters, IEEE  (Volume:17 ,  Issue: 11 )

Date of Publication:

Nov. 2005

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