Polycrystalline silicon optical fibers with atomically smooth surfaces
Polycrystalline silicon optical fibers with atomically smooth surfaces
We investigate the surface roughness of polycrystalline silicon core optical fibers fabricated using a high-pressure chemical deposition technique. By measuring the optical transmission of two fibers with different core sizes, we will show that scattering from the core–cladding interface has a negligible effect on the losses. A Zemetrics ZeScope three-dimensional optical profiler has been used to directly measure the surface of the core material, confirming a roughness of only ±0.1nm. The ability to fabricate low-loss polysilicon optical fibers with ultrasmooth cores scalable to submicrometer dimensions should establish their use in a range of nonlinear optical applications
2480-2482
Healy, Noel
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Lagonigro, Laura
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Sparks, Justin R.
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Boden, Stuart
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Sazio, Pier J.A.
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Badding, John V.
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Peacock, Anna C.
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July 2011
Healy, Noel
26eec85c-8d12-4f21-a67a-022f8dc2daab
Lagonigro, Laura
99b15676-f139-4a7d-a16d-f8e41a615e92
Sparks, Justin R.
68cb6a0c-29ef-4487-8940-557b05b08568
Boden, Stuart
702bdc07-a448-4512-aacf-297c292e740b
Sazio, Pier J.A.
0d6200b5-9947-469a-8e97-9147da8a7158
Badding, John V.
dd484978-a8b8-4d1f-9b9e-b6b33bde9e7b
Peacock, Anna C.
685d924c-ef6b-401b-a0bd-acf1f8e758fc
Healy, Noel, Lagonigro, Laura, Sparks, Justin R., Boden, Stuart, Sazio, Pier J.A., Badding, John V. and Peacock, Anna C.
(2011)
Polycrystalline silicon optical fibers with atomically smooth surfaces.
Optics Letters, 36 (13), .
Abstract
We investigate the surface roughness of polycrystalline silicon core optical fibers fabricated using a high-pressure chemical deposition technique. By measuring the optical transmission of two fibers with different core sizes, we will show that scattering from the core–cladding interface has a negligible effect on the losses. A Zemetrics ZeScope three-dimensional optical profiler has been used to directly measure the surface of the core material, confirming a roughness of only ±0.1nm. The ability to fabricate low-loss polysilicon optical fibers with ultrasmooth cores scalable to submicrometer dimensions should establish their use in a range of nonlinear optical applications
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Published date: July 2011
Organisations:
Optoelectronics Research Centre
Identifiers
Local EPrints ID: 192525
URI: https://eprints.soton.ac.uk/id/eprint/192525
ISSN: 0146-9592
PURE UUID: 4fdc27d6-56df-41fe-b548-526f1805f9fd
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Date deposited: 05 Jul 2011 13:25
Last modified: 06 Jun 2018 12:48
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Contributors
Author:
Noel Healy
Author:
Laura Lagonigro
Author:
Justin R. Sparks
Author:
Stuart Boden
Author:
John V. Badding
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