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Dual wavelength evanescent coupler for nonlinear GaP-based microdisk resonators

Abstract : Wavelength conversion is one of the most demanded features in integrated photonics. During the last decade, second harmonic generation (SHG) in III-V semiconductor microdisks has been demonstrated to be an efficient way to achieve such conversion with particularly compact devices. Optimized coupling of both wavelengths to these devices still remains as a challenge. Here we compare three different approaches for vertical coupling between integrated waveguides and a III-V microdisk resonator in which SHG occurs: two well-established schemes and a new one using a single slit waveguide as an evanescent coupler.
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https://hal.archives-ouvertes.fr/hal-02452092
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Submitted on : Wednesday, May 26, 2021 - 3:30:22 PM
Last modification on : Tuesday, October 19, 2021 - 11:04:32 AM
Long-term archiving on: : Friday, August 27, 2021 - 8:09:31 PM

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Alejandro Lorenzo-Ruiz, Charles Cornet, Alexandre Beck, Yoan Léger. Dual wavelength evanescent coupler for nonlinear GaP-based microdisk resonators. OSA Continuum, OSA Publishing, 2020, 3 (1), pp.43-49. ⟨10.1364/OSAC.3.000043⟩. ⟨hal-02452092⟩

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