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
17864-17871
Chen, Xia
64f6ab92-ca11-4489-8c03-52bc986209ae
Thomson, David J.
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Crudginton, Lee
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Khokhar, Ali Z.
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Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
24 July 2017
Chen, Xia
64f6ab92-ca11-4489-8c03-52bc986209ae
Thomson, David J.
17c1626c-2422-42c6-98e0-586ae220bcda
Crudginton, Lee
c4ad012c-5fcd-4bd8-8025-64aadf5cfd5e
Khokhar, Ali Z.
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Reed, Graham T.
ca08dd60-c072-4d7d-b254-75714d570139
Chen, Xia, Thomson, David J., Crudginton, Lee, Khokhar, Ali Z. and Reed, Graham T.
(2017)
Dual-etch apodised grating couplers for efficient fibre-chip coupling near 1310 nm wavelength.
Optics Express, 25 (15), .
(doi:10.1364/OE.25.017864).
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
Identifiers
Local EPrints ID: 411765
URI: http://eprints.soton.ac.uk/id/eprint/411765
ISSN: 1094-4087
PURE UUID: 2aa128aa-0f01-4774-be42-5ec97a3d51d4
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Date deposited: 23 Jun 2017 16:31
Last modified: 09 Jan 2022 03:41
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Author:
Lee Crudginton
Author:
Ali Z. Khokhar
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