Facet machining of silica waveguides with nanoscale roughness without polishing or lapping
Facet machining of silica waveguides with nanoscale roughness without polishing or lapping
To achieve low-loss free space coupling for integrated optics, device facets need to be smooth, free of chips and flat. The typical route for accomplishing these requirements is by traditional lapping and polishing. We report that high quality optical quality facets with a Sa = 4.9 nm can be machined using a simple dicing technique. In order to directly measure the scatter loss a device with a series of Bragg gratings is used to characterise the average interface loss per facet.
Carpenter, Lewis
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Rogers, Helen
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Holmes, C.
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Gates, J.C.
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Smith, P.G.R.
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Carpenter, Lewis
0daa548e-0d42-4b06-b914-45bfbec41759
Rogers, Helen
c6b6aa89-b14c-48b6-92c0-dd5c5bca683c
Holmes, C.
16306bb8-8a46-4fd7-bb19-a146758e5263
Gates, J.C.
b71e31a1-8caa-477e-8556-b64f6cae0dc2
Smith, P.G.R.
8979668a-8b7a-4838-9a74-1a7cfc6665f6
Carpenter, Lewis, Rogers, Helen, Holmes, C., Gates, J.C. and Smith, P.G.R.
(2013)
Facet machining of silica waveguides with nanoscale roughness without polishing or lapping.
CLEO-Europe/IQEC 2013, , Munich, Germany.
12 - 16 May 2013.
Record type:
Conference or Workshop Item
(Paper)
Abstract
To achieve low-loss free space coupling for integrated optics, device facets need to be smooth, free of chips and flat. The typical route for accomplishing these requirements is by traditional lapping and polishing. We report that high quality optical quality facets with a Sa = 4.9 nm can be machined using a simple dicing technique. In order to directly measure the scatter loss a device with a series of Bragg gratings is used to characterise the average interface loss per facet.
More information
e-pub ahead of print date: 2013
Venue - Dates:
CLEO-Europe/IQEC 2013, , Munich, Germany, 2013-05-12 - 2013-05-16
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 365188
URI: http://eprints.soton.ac.uk/id/eprint/365188
PURE UUID: 9a7166d7-0022-47bb-93ac-64e2eea4e29e
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Date deposited: 27 May 2014 11:12
Last modified: 15 Mar 2024 03:27
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Contributors
Author:
Lewis Carpenter
Author:
Helen Rogers
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