Observation of energy transfer at optical frequency to an ultrathin silicon waveguide
Observation of energy transfer at optical frequency to an ultrathin silicon waveguide
Energy transfer from a submonolayer of rhodamine 6G molecules to a 130 nm thick crystalline silicon (Si) waveguide is investigated. The dependence of the fluorescence lifetime of rhodamine on its distance to the Si waveguide is characterized and modeled successfully by a classical dipole model. The energy transfer process could be regarded as photon tunneling into the Si waveguide via the evanescent waves. The experimentally observed tunneling rate is well described by an analytical expression obtained via a complex variable analysis in the complex wavenumber plane.
4618 - 4621
Fang, Liping
47c506f8-4167-47f4-b129-3b37f3498c90
Danos, Lefteris
48111ee7-001d-4f82-b8c5-249c0fdf2a60
Markvart, Tomas
f21e82ec-4e3b-4485-9f27-ffc0102fdf1c
Chen, Rui
5802dc42-edb1-4fdf-8f2b-f3dc9ce95941
13 August 2020
Fang, Liping
47c506f8-4167-47f4-b129-3b37f3498c90
Danos, Lefteris
48111ee7-001d-4f82-b8c5-249c0fdf2a60
Markvart, Tomas
f21e82ec-4e3b-4485-9f27-ffc0102fdf1c
Chen, Rui
5802dc42-edb1-4fdf-8f2b-f3dc9ce95941
Fang, Liping, Danos, Lefteris, Markvart, Tomas and Chen, Rui
(2020)
Observation of energy transfer at optical frequency to an ultrathin silicon waveguide.
Optics Letters, 45 (16), .
(doi:10.1364/OL.396906).
Abstract
Energy transfer from a submonolayer of rhodamine 6G molecules to a 130 nm thick crystalline silicon (Si) waveguide is investigated. The dependence of the fluorescence lifetime of rhodamine on its distance to the Si waveguide is characterized and modeled successfully by a classical dipole model. The energy transfer process could be regarded as photon tunneling into the Si waveguide via the evanescent waves. The experimentally observed tunneling rate is well described by an analytical expression obtained via a complex variable analysis in the complex wavenumber plane.
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Liping_paper_for_PURE
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More information
Accepted/In Press date: 16 July 2020
Published date: 13 August 2020
Additional Information:
Funding Information:
Funding. National Natural Science Foundation of China (61604138); Ministerstvo Školství, Mládeže a Teˇlovýchovy (CZ.02.1.01/0.0/0.0/15_003/0000464).
Publisher Copyright:
© 2020 Optical Society of America
Identifiers
Local EPrints ID: 445290
URI: http://eprints.soton.ac.uk/id/eprint/445290
ISSN: 0146-9592
PURE UUID: 595e8096-c856-4579-ba9c-6eba74d336bf
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Date deposited: 01 Dec 2020 17:31
Last modified: 17 Mar 2024 06:05
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Contributors
Author:
Liping Fang
Author:
Lefteris Danos
Author:
Rui Chen
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