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Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength

Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength
Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength
We present our recent work on fibre-chip grating couplers operating around 1310 nm. For the first time, we demonstrate the combination of dual-etch and apodization design approaches which may achieve a coupling efficiency of 85% (-0.7 dB). Subwavelength structures were employed to modify the coupling strength of the grating. -1.9 dB efficiency was measured from a first set of fabricated structures.
Silicon photonics, Gratings
1094-4087
17864-17871
Chen, Xia
64f6ab92-ca11-4489-8c03-52bc986209ae
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Crudgington, Lee
c4ad012c-5fcd-4bd8-8025-64aadf5cfd5e
Khokhar, Ali
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139
Chen, Xia
64f6ab92-ca11-4489-8c03-52bc986209ae
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Crudgington, Lee
c4ad012c-5fcd-4bd8-8025-64aadf5cfd5e
Khokhar, Ali
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Reed, Graham
ca08dd60-c072-4d7d-b254-75714d570139

Chen, Xia, Thomson, David, Crudgington, Lee, Khokhar, Ali and Reed, Graham (2017) Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength. Optics Express, 25 (15), 17864-17871. (doi:10.1364/OE.25.017864).

Record type: Article

Abstract

We present our recent work on fibre-chip grating couplers operating around 1310 nm. For the first time, we demonstrate the combination of dual-etch and apodization design approaches which may achieve a coupling efficiency of 85% (-0.7 dB). Subwavelength structures were employed to modify the coupling strength of the grating. -1.9 dB efficiency was measured from a first set of fabricated structures.

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Submitted date: 24 March 2017
Accepted/In Press date: 13 June 2017
e-pub ahead of print date: 18 July 2017
Published date: 24 July 2017
Keywords: Silicon photonics, Gratings
Organisations: Optoelectronics Research Centre, Photonic Systems Circuits & Sensors, Electronics & Computer Science
Learn more about Electronics & Computer Science research Learn more about Optoelectronics Research Centre research

Identifiers

Local EPrints ID: 411765
URI: https://eprints.soton.ac.uk/id/eprint/411765
DOI: doi:10.1364/OE.25.017864
ISSN: 1094-4087
PURE UUID: 2aa128aa-0f01-4774-be42-5ec97a3d51d4
ORCID for Xia Chen: ORCID iD orcid.org/0000-0002-0994-5401

Catalogue record

Date deposited: 23 Jun 2017 16:31
Last modified: 15 Aug 2019 00:36

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Contributors

Author: Xia Chen ORCID iD
Author: David Thomson
Author: Lee Crudgington
Author: Ali Khokhar
Author: Graham Reed

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