Narrow-linewidth Fano microcavities with resonant subwavelength grating mirror

Trishala Mitra; Gurpreet singh; Ali Akbar Darki; Søren Peder Madsen; Aurelien Romain Dantan

doi:10.1364/OE.521329

Narrow-linewidth Fano microcavities with resonant subwavelength grating mirror

Trishala Mitra, Gurpreet singh, Ali Akbar Darki, Søren Peder Madsen, Aurelien Romain Dantan^*

^*Corresponding author af dette arbejde

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avis › Tidsskriftartikel › Forskning › peer review

Abstract

We report on the theoretical and experimental investigations of optical microcavities consisting in the plane-plane arrangement of a broadband high-reflectivity mirror and a suspended one-dimensional grating mirror possessing a high-quality factor Fano resonance. By varying the length of these cavities from the millimeter to the few-micron range, we observe at short lengths the reduction of the spectral linewidth predicted to occur for such a Fano cavity as compared to a conventional broadband mirror cavity with the same length and internal losses. Such narrow linewidth and small modevolume microcavities with high-mechanical quality ultrathin mirrors will be attractive for a wide range of applications within optomechanics and sensing.

Originalsprog	Engelsk
Tidsskrift	Optics Express
Vol/bind	32
Nummer	9
Sider (fra-til)	15667-15679
Antal sider	13
ISSN	1094-4087
DOI	https://doi.org/10.1364/OE.521329
Status	Udgivet - apr. 2024

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abstract = "We report on the theoretical and experimental investigations of optical microcavities consisting in the plane-plane arrangement of a broadband high-reflectivity mirror and a suspended one-dimensional grating mirror possessing a high-quality factor Fano resonance. By varying the length of these cavities from the millimeter to the few-micron range, we observe at short lengths the reduction of the spectral linewidth predicted to occur for such a Fano cavity as compared to a conventional broadband mirror cavity with the same length and internal losses. Such narrow linewidth and small modevolume microcavities with high-mechanical quality ultrathin mirrors will be attractive for a wide range of applications within optomechanics and sensing.",

author = "Trishala Mitra and Gurpreet singh and Darki, {Ali Akbar} and Madsen, {S{\o}ren Peder} and Dantan, {Aurelien Romain}",

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AU - Mitra, Trishala

AU - singh, Gurpreet

AU - Darki, Ali Akbar

AU - Madsen, Søren Peder

AU - Dantan, Aurelien Romain

PY - 2024/4

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AB - We report on the theoretical and experimental investigations of optical microcavities consisting in the plane-plane arrangement of a broadband high-reflectivity mirror and a suspended one-dimensional grating mirror possessing a high-quality factor Fano resonance. By varying the length of these cavities from the millimeter to the few-micron range, we observe at short lengths the reduction of the spectral linewidth predicted to occur for such a Fano cavity as compared to a conventional broadband mirror cavity with the same length and internal losses. Such narrow linewidth and small modevolume microcavities with high-mechanical quality ultrathin mirrors will be attractive for a wide range of applications within optomechanics and sensing.

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JO - Optics Express

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Narrow-linewidth Fano microcavities with resonant subwavelength grating mirror

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