28 April 2016 Range-dependent effects of optical feedback on multimode two-color quantum dot lasers
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Abstract
We investigate the behaviour of a multimode two-color quantum dot laser subject to optical feedback. In particular, we focus on the effects of a variation of the external cavity length at the micrometer scale on the laser emission characteristics and especially on its optical spectrum. For each mode, we observe oscillations of the output power with different spectral amplitudes. No clustering or mode grouping effect is observed. Theoretically, we demonstrate a good agreement with a multimode two-color quantum dot laser model.
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Martin Virte, Martin Virte, Robert Pawlus, Robert Pawlus, Wolfgang Elsäßer, Wolfgang Elsäßer, Krassimir Panajotov, Krassimir Panajotov, Marc Sciamanna, Marc Sciamanna, Stefan Breuer, Stefan Breuer, } "Range-dependent effects of optical feedback on multimode two-color quantum dot lasers", Proc. SPIE 9892, Semiconductor Lasers and Laser Dynamics VII, 98920W (28 April 2016); doi: 10.1117/12.2227086; https://doi.org/10.1117/12.2227086
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