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Transduction of large optomechanical amplitudes with racetrack-loaded Mach-Zehnder interferometers

Par Conseil national de recherches du Canada

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DOITrouver le DOI : https://doi.org/10.1364/OE.396971
AuteurRechercher : 1Identifiant ORCID : https://orcid.org/0000-0002-9773-3336; Rechercher : 1Identifiant ORCID : https://orcid.org/0000-0002-3579-8791; Rechercher : ; Rechercher : 1Identifiant ORCID : https://orcid.org/0000-0002-2064-7907
Affiliation
  1. Conseil national de recherches du Canada. Nanotechnologie
Bailleur de fondsRechercher : Natural Sciences and Engineering Research Council of Canada; Rechercher : Vanier Canada Graduate Scholarship Program; Rechercher : Alberta Innovates
FormatTexte, Article
SujetFano resonance; homodyne detection; optical measurement; phase measurement; power spectral density; tunable diode lasers
Résumé
Chip-integrated photonic devices have stimulated development in areas ranging from telecommunications to optomechanics. Racetrack resonators have gained popularity for optomechanical transduction due to their high sensitivity and cavity finesse. However, they lack sufficient dynamic range to read out large amplitude mechanical resonators, which are preferred for sensing applications. We present a robust photonic circuit based on a Mach-Zehnder interferometer (MZI) combined with a racetrack resonator that increases linear range without compromising high transduction sensitivity. Optical and mechanical properties of combined MZI-racetrack devices are compared to lone racetracks with the same physical dimensions in the undercoupled, overcoupled and critical coupled regimes. We demonstrate an overall improvement in dynamic range, transduction responsivity, and mass sensitivity of up to 4x, 3x and 2.8x, respectively. Our highly phase sensitive MZI circuit also enables applications such as on-chip optical homodyning.
Date de publication
Maison d’éditionOptica Publishing Group
Dans
  • Optics Express 28, nº 15, 21835 (8 juillet 2020) : 1–10.
Langueanglais
Publications évaluées par des pairsOui
Numéro du CNRCNRC-NANO-073
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Identificateur de l’enregistrement51ba3249-3e55-41ae-95fe-4b9f5bc7615e
Enregistrement créé2022-04-04
Enregistrement modifié2022-04-04
Date de modification :