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Silicon photonics rectangular universal interferometer

Silicon photonics rectangular universal interferometer
Silicon photonics rectangular universal interferometer
Universal multiport photonic interferometers that can implement any arbitrary unitary transformation between input and output optical modes are essential to support advanced optical functions. Integrated versions of these components can be implemented by means of either a fixed triangular or a fixed rectangular arrangement of the same components. We propose the implementation of a fixed rectangular universal interferometer using a reconfigurable hexagonal waveguide mesh circuit. We provide a suitable adaptation synthesis algorithm tailored to this mesh configuration and report the first ever experimental demonstration of a rectangular multiport interferometer by means of a fabricated silicon photonics chip. The 7-hexagonal cell chip can implement 2×2, 3×3 and 4×4 arbitrary unitary transformations. The proposed hexagonal waveguide mesh operates in a similar way as a Field Programmable Gate Array (FPGA) in electronics. We believe that this work represents an important step-forward towards fully programmable and integrable multiport interferometers
1863-8880
Perez, Daniel
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Gasulla, Ivana
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Fraile, Francisco Javier
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Crudgington, Lee
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Thomson, David
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Khokhar, Ali
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Li, Ke
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Cao, Wei
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Mashanovich, Goran
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Capmany, Jose
3af927f5-388b-4ad3-8677-d2f83c2d13e9
Perez, Daniel
925b450f-6028-4949-a129-4db048bd0bc9
Gasulla, Ivana
8bbbb8d4-e79c-4d6f-9477-8a1cf0d241ac
Fraile, Francisco Javier
4d0815aa-da30-4e2c-bbed-e3c19696347c
Crudgington, Lee
33773b09-758e-459e-8a98-50a44f75b16c
Thomson, David
17c1626c-2422-42c6-98e0-586ae220bcda
Khokhar, Ali
2eedd1cc-8ac5-4f8e-be25-930bd3eae396
Li, Ke
dd788ca7-0a39-4364-b4b8-65f0bb93340f
Cao, Wei
6194b5dd-d4e9-40d0-b5fb-b264d72fe594
Mashanovich, Goran
c806e262-af80-4836-b96f-319425060051
Capmany, Jose
3af927f5-388b-4ad3-8677-d2f83c2d13e9

Perez, Daniel, Gasulla, Ivana, Fraile, Francisco Javier, Crudgington, Lee, Thomson, David, Khokhar, Ali, Li, Ke, Cao, Wei, Mashanovich, Goran and Capmany, Jose (2017) Silicon photonics rectangular universal interferometer. Laser & Photonics Reviews. (doi:10.1002/lpor.201700219).

Record type: Article

Abstract

Universal multiport photonic interferometers that can implement any arbitrary unitary transformation between input and output optical modes are essential to support advanced optical functions. Integrated versions of these components can be implemented by means of either a fixed triangular or a fixed rectangular arrangement of the same components. We propose the implementation of a fixed rectangular universal interferometer using a reconfigurable hexagonal waveguide mesh circuit. We provide a suitable adaptation synthesis algorithm tailored to this mesh configuration and report the first ever experimental demonstration of a rectangular multiport interferometer by means of a fabricated silicon photonics chip. The 7-hexagonal cell chip can implement 2×2, 3×3 and 4×4 arbitrary unitary transformations. The proposed hexagonal waveguide mesh operates in a similar way as a Field Programmable Gate Array (FPGA) in electronics. We believe that this work represents an important step-forward towards fully programmable and integrable multiport interferometers

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Accepted/In Press date: 6 November 2017
e-pub ahead of print date: 7 November 2017
Published date: November 2017
Additional Information: Now added AM unscanned copy. Therefore should now be searchable and make this record compliant , please advise Sarah Richardson if this is not the case.

Identifiers

Local EPrints ID: 417655
URI: https://eprints.soton.ac.uk/id/eprint/417655
ISSN: 1863-8880
PURE UUID: a6514f9a-effb-4c0b-af78-0fbe66da909b
ORCID for Wei Cao: ORCID iD orcid.org/0000-0003-1431-7060

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Date deposited: 08 Feb 2018 17:30
Last modified: 10 Dec 2019 01:31

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Contributors

Author: Daniel Perez
Author: Ivana Gasulla
Author: Francisco Javier Fraile
Author: Lee Crudgington
Author: David Thomson
Author: Ali Khokhar
Author: Ke Li
Author: Wei Cao ORCID iD
Author: Jose Capmany

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