Imperial College London
Alternate

ProfessorRupertOulton

Faculty of Natural Sciences, Department of Physics

Professor of Nanophotonics
 
 
 
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Contact

 

+44 (0)20 7594 7576r.oulton

 
 
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Location

 

914Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Nielsen:2017:10.1126/science.aao1467,
author = {Nielsen, MP and Shi, X and Dichtl, P and Maier, SA and Oulton, RF},
doi = {10.1126/science.aao1467},
journal = {Science},
pages = {1179--1181},
title = {Giant nonlinear response at a plasmonic nanofocus drives efficient four-wave mixing},
url = {http://dx.doi.org/10.1126/science.aao1467},
volume = {358},
year = {2017}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - Efficient optical frequency mixing typically must accumulate over large interaction lengths because nonlinear responses in natural materials are inherently weak. This limits the efficiency of mixing processes owing to the requirement of phase matching. Here, we report efficient four-wave mixing (FWM) over micrometer-scale interaction lengths at telecommunications wavelengths on silicon. We used an integrated plasmonic gap waveguide that strongly confines light within a nonlinear organic polymer. The gap waveguide intensifies light by nanofocusing it to a mode cross-section of a few tens of nanometers, thus generating a nonlinear response so strong that efficient FWM accumulates over wavelength-scale distances. This technique opens up nonlinear optics to a regime of relaxed phase matching, with the possibility of compact, broadband, and efficient frequency mixing integrated with silicon photonics.
AU  - Nielsen,MP
AU  - Shi,X
AU  - Dichtl,P
AU  - Maier,SA
AU  - Oulton,RF
DO  - 10.1126/science.aao1467
EP  - 1181
PY  - 2017///
SN  - 0036-8075
SP  - 1179
TI  - Giant nonlinear response at a plasmonic nanofocus drives efficient four-wave mixing
T2  - Science
UR  - http://dx.doi.org/10.1126/science.aao1467
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000416584000040&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/55533
VL  - 358
ER  -
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