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Low-loss mid-infrared SOI slot waveguides

Low-loss mid-infrared SOI slot waveguides
Low-loss mid-infrared SOI slot waveguides
Mid-infrared sensing is a field that has recently attracted attention due to the potential to reach the fingerprint region for several chemical compounds, allowing enhanced sensitivity. To further enhance the sensitivity of photonic sensors slot waveguides can be used as waveguides as the electric field amplitude can be greatly increased in the gap region. In this letter, we present silicon on insulator slot waveguides with a 1.4 ± 0.2 dB/cm propagation loss at 3.8 µm wavelength, as well as strip to slot transitions with a loss of 0.09 ± 0.01 dB/transition and slot bends with a loss of 0.18 dB/bend.
1041-1135
1197-1199
Soler Penadés, Jordi
f18f3619-0d71-4547-95fd-dd38c37b7adb
Khokhar, Ali
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Nedeljković, Milos
b64e21c2-1b95-479d-a35c-3456dff8c796
Mashanovich, Goran
c806e262-af80-4836-b96f-319425060051
Soler Penadés, Jordi
f18f3619-0d71-4547-95fd-dd38c37b7adb
Khokhar, Ali
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Nedeljković, Milos
b64e21c2-1b95-479d-a35c-3456dff8c796
Mashanovich, Goran
c806e262-af80-4836-b96f-319425060051

Soler Penadés, Jordi, Khokhar, Ali, Nedeljković, Milos and Mashanovich, Goran (2015) Low-loss mid-infrared SOI slot waveguides. IEEE Photonics Technology Letters, 27 (11), 1197-1199. (doi:10.1109/LPT.2015.2414791).

Record type: Article

Abstract

Mid-infrared sensing is a field that has recently attracted attention due to the potential to reach the fingerprint region for several chemical compounds, allowing enhanced sensitivity. To further enhance the sensitivity of photonic sensors slot waveguides can be used as waveguides as the electric field amplitude can be greatly increased in the gap region. In this letter, we present silicon on insulator slot waveguides with a 1.4 ± 0.2 dB/cm propagation loss at 3.8 µm wavelength, as well as strip to slot transitions with a loss of 0.09 ± 0.01 dB/transition and slot bends with a loss of 0.18 dB/bend.

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More information

Published date: 1 June 2015
Organisations: Optoelectronics Research Centre, Photonic Systems Circuits & Sensors

Identifiers

Local EPrints ID: 386130
URI: https://eprints.soton.ac.uk/id/eprint/386130
ISSN: 1041-1135
PURE UUID: 8fb09795-93cd-4d56-9e62-f9c207dc3506
ORCID for Jordi Soler Penadés: ORCID iD orcid.org/0000-0002-1706-8533
ORCID for Milos Nedeljković: ORCID iD orcid.org/0000-0002-9170-7911

Catalogue record

Date deposited: 19 Jan 2016 17:42
Last modified: 19 Jan 2019 01:31

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Contributors

Author: Ali Khokhar
Author: Milos Nedeljković ORCID iD

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