DOI | Resolve DOI: https://doi.org/10.1016/j.optlastec.2018.07.071 |
---|
Author | Search for: Wangüemert-Pérez, J. Gonzalo; Search for: Hadij-Elhouati, Abdelfettah; Search for: Sánchez-Postigo, Alejandro; Search for: Leuermann, Jonas; Search for: Xu, Dan-Xia1; Search for: Cheben, Pavel1ORCID identifier: https://orcid.org/0000-0003-4232-9130; Search for: Ortega-Moñux, Alejandro; Search for: Halir, Robert; Search for: Molina-Fernández, Íñigo |
---|
Affiliation | - National Research Council of Canada. Advanced Electronics and Photonics
|
---|
Format | Text, Article |
---|
Subject | subwavelength waveguides; silicon photonics; biosensors; coherent multi-port sensing architecture |
---|
Abstract | Silicon photonic biosensors hold the potential for highly accurate, yet low cost point-of-care devices. Maximizing the sensitivity of the sensing chips while reducing the complexity and cost of the read-out system is pivotal to realize this potential. Here we present an extensive analysis, both from a practical and a theoretical perspective, of current biosensors, and analyze how subwavelength structures can be exploited to enhance their sensitivity. This study is not restricted just to the near-infrared band as we also determine the sensing capabilities of the suspended silicon waveguides with subwavelength metamaterial cladding working in the mid-infrared range. These waveguides have been recently proposed to cover the full transparency window of silicon ( λ<~8.5 μm), where the fingerprint spectral region of many molecules takes place and so a plethora of evanescent field absorption-based applications will be developed in the near future. |
---|
Publication date | 2018-08-23 |
---|
Publisher | Elsevier |
---|
In | |
---|
Language | English |
---|
Peer reviewed | Yes |
---|
NPARC number | 23004856 |
---|
Export citation | Export as RIS |
---|
Report a correction | Report a correction (opens in a new tab) |
---|
Record identifier | d52e4efd-009f-4c7b-a46a-a6bcb5ff12db |
---|
Record created | 2019-01-04 |
---|
Record modified | 2020-03-16 |
---|