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Suspended low-loss germanium waveguides for the longwave-infrared

Suspended low-loss germanium waveguides for the longwave-infrared
Suspended low-loss germanium waveguides for the longwave-infrared
Germanium has become a material of high interest for mid-infrared (MIR) integrated photonics due to its complementary metal-oxide-semiconductor (CMOS) compatibility and its wide transparency window covering the 2-15 µm spectral region exceeding the 4 µm and 8 µm limit of the Silicon-on-Insulator (SOI) platform and Si material respectively. Here, we present suspended germanium waveguides operating at wavelengths of 3.8 µm and 7.67 µm with propagation losses of 2.9 ± 0.2 dB/cm and 2.6 ± 0.3 dB/cm respectively.
SPIE
Osman, A.
eb387b50-c718-47df-ac90-97b2efd3e335
Nedeljkovic, M.
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Penades, J. Soler
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Wu, Y.
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Qu, Z.
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Khokhar, A. Z.
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Mashanovich, G. Z.
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Reed, Graham T.
Knights, Andrew P.
Osman, A.
eb387b50-c718-47df-ac90-97b2efd3e335
Nedeljkovic, M.
9a8b131e-8e02-4c01-b3cd-ad8cbbd498bf
Penades, J. Soler
f18f3619-0d71-4547-95fd-dd38c37b7adb
Wu, Y.
c9a876d5-19e8-4d89-bd4b-9d915474d8da
Qu, Z.
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Khokhar, A. Z.
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Mashanovich, G. Z.
c806e262-af80-4836-b96f-319425060051
Reed, Graham T.
Knights, Andrew P.

Osman, A., Nedeljkovic, M., Penades, J. Soler, Wu, Y., Qu, Z., Khokhar, A. Z. and Mashanovich, G. Z. (2019) Suspended low-loss germanium waveguides for the longwave-infrared. Reed, Graham T. and Knights, Andrew P. (eds.) In Silicon Photonics XIV. vol. 10923, SPIE.. (doi:10.1117/12.2506553).

Record type: Conference or Workshop Item (Paper)

Abstract

Germanium has become a material of high interest for mid-infrared (MIR) integrated photonics due to its complementary metal-oxide-semiconductor (CMOS) compatibility and its wide transparency window covering the 2-15 µm spectral region exceeding the 4 µm and 8 µm limit of the Silicon-on-Insulator (SOI) platform and Si material respectively. Here, we present suspended germanium waveguides operating at wavelengths of 3.8 µm and 7.67 µm with propagation losses of 2.9 ± 0.2 dB/cm and 2.6 ± 0.3 dB/cm respectively.

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Published date: 2019
Venue - Dates: SPIE OPTO 10923 Conference on Silicon Photonics XIV, 2019-02-04 - 2019-02-06

Identifiers

Local EPrints ID: 442144
URI: http://eprints.soton.ac.uk/id/eprint/442144
PURE UUID: 9f01633f-b5ea-45ca-b79f-4987264cfe68
ORCID for A. Osman: ORCID iD orcid.org/0000-0001-6575-3861
ORCID for J. Soler Penades: ORCID iD orcid.org/0000-0002-1706-8533

Catalogue record

Date deposited: 07 Jul 2020 16:54
Last modified: 07 Aug 2020 01:44

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Contributors

Author: A. Osman ORCID iD
Author: M. Nedeljkovic
Author: J. Soler Penades ORCID iD
Author: Y. Wu
Author: Z. Qu
Author: A. Z. Khokhar
Editor: Graham T. Reed
Editor: Andrew P. Knights

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