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Integrated polarizer based on 45⁰ tilted gratings

Integrated polarizer based on 45⁰ tilted gratings
Integrated polarizer based on 45⁰ tilted gratings
We report the first integrated implementation of a polarizer based on the use of 45° tilted gratings in planar waveguides. The waveguides and gratings are fabricated by direct UV writing in a hydrogenated germanium-doped silica-on-silicon chip. We experimentally demonstrate a polarization extinction ratio per unit length of 0.25 dB mm−1 with a modelled wavelength dependence smaller than 0.3 dB for a 20 mm device over the C band from 1530–1570 nm. We also present a novel numerical study and analytical description of the architecture that are in good agreement with each other and the experimental data.
1094-4087
1-8
Posner, Matthew
884b2318-83c1-4f8a-8d36-a2566b8766cb
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
Gates, James
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, Peter
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Mennea, Paolo
d994ba05-bcc1-4be3-8ba1-439fb1535a3f
Posner, Matthew
884b2318-83c1-4f8a-8d36-a2566b8766cb
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
Gates, James
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, Peter
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Horak, Peter
520489b5-ccc7-4d29-bb30-c1e36436ea03
Mennea, Paolo
d994ba05-bcc1-4be3-8ba1-439fb1535a3f

Posner, Matthew, Podoliak, Nina, Gates, James, Smith, Peter, Horak, Peter and Mennea, Paolo (2019) Integrated polarizer based on 45⁰ tilted gratings. Optics Express, 27 (8), 1-8. (doi:10.1364/OE.27.011174).

Record type: Article

Abstract

We report the first integrated implementation of a polarizer based on the use of 45° tilted gratings in planar waveguides. The waveguides and gratings are fabricated by direct UV writing in a hydrogenated germanium-doped silica-on-silicon chip. We experimentally demonstrate a polarization extinction ratio per unit length of 0.25 dB mm−1 with a modelled wavelength dependence smaller than 0.3 dB for a 20 mm device over the C band from 1530–1570 nm. We also present a novel numerical study and analytical description of the architecture that are in good agreement with each other and the experimental data.

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More information

Accepted/In Press date: 22 February 2019
e-pub ahead of print date: 8 April 2019
Published date: 15 April 2019

Identifiers

Local EPrints ID: 430586
URI: https://eprints.soton.ac.uk/id/eprint/430586
ISSN: 1094-4087
PURE UUID: 265d36dd-4497-4913-a9f0-f14c9405b0e0
ORCID for Matthew Posner: ORCID iD orcid.org/0000-0002-4439-9135
ORCID for Nina Podoliak: ORCID iD orcid.org/0000-0002-3146-0355
ORCID for James Gates: ORCID iD orcid.org/0000-0001-8671-5987
ORCID for Peter Horak: ORCID iD orcid.org/0000-0002-8710-8764

Catalogue record

Date deposited: 03 May 2019 16:30
Last modified: 17 Sep 2019 01:01

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