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Resonators liberated from dispersion: broad periodic waveguides operating at the Littrow regime

Henri Benisty 1 Nikolay Piskunov 1 
1 Laboratoire Charles Fabry / Naphel
LCF - Laboratoire Charles Fabry
Abstract : We show that broad periodic waveguides operating at the Littrow regime can form series of modes with a negative dispersion in their spacing (dFSR/dω > 0, FSR = Free Spectral Range), thanks to samples with extended range. We provide an analysis of this experimental FSR based on a nearly analytical consideration. For frequency combs, a uniform FSR (dispersion free) can be attained at any desirable frequency in the range λ = 1.5-4.3 μm for a silicon resonator.
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https://hal-iogs.archives-ouvertes.fr/hal-00857670
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Submitted on : Friday, August 26, 2022 - 3:38:38 PM
Last modification on : Monday, August 29, 2022 - 2:19:25 PM

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Henri Benisty, Nikolay Piskunov. Resonators liberated from dispersion: broad periodic waveguides operating at the Littrow regime. 15th International Conference on Transparent Optical Networks (ICTON), Jun 2013, Cartagena, Spain. ⟨10.1109/ICTON.2013.6602773⟩. ⟨hal-00857670⟩

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