Performance improvement of a silicon nitride ring resonator biosensor operated in the TM mode at 1310 nm.
Journal
Biomedical optics express
ISSN: 2156-7085
Titre abrégé: Biomed Opt Express
Pays: United States
ID NLM: 101540630
Informations de publication
Date de publication:
01 Nov 2021
01 Nov 2021
Historique:
received:
16
07
2021
revised:
15
09
2021
accepted:
15
09
2021
entrez:
3
12
2021
pubmed:
4
12
2021
medline:
4
12
2021
Statut:
epublish
Résumé
Silicon-based ring resonators have been demonstrated to be a key element to build lab-on-chip devices due to their ability to perform as label-free photonic sensors. In this work, we demonstrate photonic biosensing using silicon nitride ring resonators operated in the TM mode around 1310 nm wavelengths. Our results show that operating the devices using the TM mode results in an increased sensitivity in comparison with the typically used TE mode, while working at 1310 nm wavelengths compared to 1550 nm contributes to an increased quality factor. As a result, a reduction in the intrinsic limit of detection is achieved, indicating the suitability of TM modes in the 1310 nm regime for biosensing using integrated photonics.
Identifiants
pubmed: 34858712
doi: 10.1364/BOE.437823
pii: 437823
pmc: PMC8606153
doi:
Types de publication
Journal Article
Langues
eng
Pagination
7244-7260Informations de copyright
© 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
Déclaration de conflit d'intérêts
The authors declare no conflicts of interest.
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