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Opt Express. 2011 Aug 1;19(16):15255-64. doi: 10.1364/OE.19.015255.

Dual-wavelength micro-resonator combining photonic crystal membrane and Fabry-Perot cavity.

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  • 1UniversitĂ© de Lyon, Institut des Nanotechnologies de Lyon, UMR CNRS 5270, Ecole Centrale de Lyon, 36 avenue Guy de Collongue, F 69134 Ecully Cedex, France.


We propose a novel system of dual-wavelength micro-cavity based on the coupling between a photonic crystal membrane (PCM); operating at the Γ- point of the Brillouin zone, with a Fabry-Perot vertical cavity (FP). The optical coupling, which can be adjusted by the overlap between both optical modes, leads to the generation of two hybrid modes separated by a frequency difference which can be tuned using micro-opto-electromechanical structures. The proposed dual-wavelength micro-cavity is attractive for application where dual-mode behaviour is desirable as dual-lasing, frequency conversion. An analytical model, numerical (FDTD) and transfer matrix method investigations are presented.

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