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Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation

Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation
Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation
Experimental demonstration of small angle (0.8°-5°) direct UV-written X couplers in silica-on-silicon is presented. Maximum and minimum coupling ratios of 95% (±0.8%) and 1.9% (±1%), respectively, were recorded. The structures also display very low polarization and wavelength dependence. A typical excess loss of 1.0 dB (±0.5 dB) was recorded. Device modeling using the beam propagation method and an analytical model showed good agreement with experimental results over a broad crossing angle and wavelength range.
0003-6935
6113-6118
Adikan, F.R.M.
69a2f4bb-520c-40a7-861d-0532cffffc40
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Sparrow, I.J.G.
3b11b080-98d5-41fe-8e15-bc12d17dc259
Emmerson, G.D.
89517051-daed-4f8e-aca6-f686d8c54e7c
Riziotis, C.
a2037f27-c711-46c3-bec4-2293fca6f0e0
Ahmad, H.
a115362d-21a5-48c4-9cd5-85cc45630ced
Adikan, F.R.M.
69a2f4bb-520c-40a7-861d-0532cffffc40
Gawith, C.B.E.
926665c0-84c7-4a1d-ae19-ee6d7d14c43e
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Sparrow, I.J.G.
3b11b080-98d5-41fe-8e15-bc12d17dc259
Emmerson, G.D.
89517051-daed-4f8e-aca6-f686d8c54e7c
Riziotis, C.
a2037f27-c711-46c3-bec4-2293fca6f0e0
Ahmad, H.
a115362d-21a5-48c4-9cd5-85cc45630ced

Adikan, F.R.M., Gawith, C.B.E., Smith, P.G.R., Sparrow, I.J.G., Emmerson, G.D., Riziotis, C. and Ahmad, H. (2006) Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation. Applied Optics, 45 (24), 6113-6118. (doi:10.1364/AO.45.006113).

Record type: Article

Abstract

Experimental demonstration of small angle (0.8°-5°) direct UV-written X couplers in silica-on-silicon is presented. Maximum and minimum coupling ratios of 95% (±0.8%) and 1.9% (±1%), respectively, were recorded. The structures also display very low polarization and wavelength dependence. A typical excess loss of 1.0 dB (±0.5 dB) was recorded. Device modeling using the beam propagation method and an analytical model showed good agreement with experimental results over a broad crossing angle and wavelength range.

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More information

Published date: 20 August 2006

Identifiers

Local EPrints ID: 42401
URI: https://eprints.soton.ac.uk/id/eprint/42401
ISSN: 0003-6935
PURE UUID: 09c234ea-6ebd-48ce-bae7-04eaca372109
ORCID for C.B.E. Gawith: ORCID iD orcid.org/0000-0002-3502-3558

Catalogue record

Date deposited: 11 Dec 2006
Last modified: 16 Sep 2019 17:45

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