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Article Dans Une Revue Optics Express Année : 2021

Tailoring frequency combs through VCSEL polarization dynamics

Résumé

We investigate experimentally the nonlinear polarization dynamics of a VCSEL subject to optical injection of a frequency comb. By tuning the polarization of the injected comb to be orthogonal to that of the VCSEL, we demonstrate the generation of either a single polarization or a dual polarization frequency comb. The injection parameters (Injected power and the detuning frequency) are then used either to generate harmonics of the initial comb spacing, or to increase the number of total output frequency lines up to 15 times the number of injected comb lines. Optimisation of the injection parameters yields a comb extending over 60 GHz for a comb spacing of 2 GHz with a Carrier to Noise Ratio (CNR) up to 60 dB. Our technique allows to separately control the comb spacing and comb bandwidth, CNR and polarization. Our finding can be used for spectroscopy measurement and also for polarization division multiplexing in optical data communications.
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Dates et versions

hal-03372763 , version 1 (11-10-2021)

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Yaya Doumbia, Delphine Wolfersberger, Krassimir Panajotov, Marc Sciamanna. Tailoring frequency combs through VCSEL polarization dynamics. Optics Express, 2021, 29 (21), pp.33976. ⟨10.1364/OE.432281⟩. ⟨hal-03372763⟩
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