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Article Dans Une Revue Optics Letters Année : 2024

Selective excitation of high-order modes in 2D cavity resonator integrated grating filters (CRIGFs)

Antoine Rouxel
Olivier Gauthier-Lafaye
Antoine Monmayrant
Stéphane Calvez

Résumé

The selective spatial mode excitation of a bi-dimensional grating-coupled micro-cavity called a cavity resonator integrated grating filter (CRIGF) is reported using an incident beam shaped to reproduce the theoretical emission profiles of the device in one and subsequently two dimensions. In both cases, the selective excitation of modes up to order 10 (per direction) is confirmed by responses exhibiting one (respectively two) spectrally narrowband resonance(s) with a good extinction of the other modes, the latter being shown to depend on the parity and order(s) of the involved modes. These results pave the way toward the demonstration of multi-wavelength spatially selective reflectors or fiber-to-waveguide couplers. Also, subject to an appropriate choice of the materials constituting the CRIGF, this work can be extended to obtain mode-selectable laser emission or nonlinear frequency conversion.
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Dates et versions

hal-04495032 , version 1 (08-03-2024)

Identifiants

Citer

Antoine Rouxel, Olivier Gauthier-Lafaye, Antoine Monmayrant, Stéphane Calvez. Selective excitation of high-order modes in 2D cavity resonator integrated grating filters (CRIGFs). Optics Letters, 2024, 49 (6), pp.1512. ⟨10.1364/OL.519472⟩. ⟨hal-04495032⟩
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