Imperial College London
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Dr Alex S. Clark

Faculty of Natural Sciences, Department of Physics

Academic Visitor
 
 
 
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Contact

 

alex.clark Website

 
 
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Location

 

Blackett 211Blackett LaboratorySouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Solntsev:2014:10.1103/PhysRevX.4.031007,
author = {Solntsev, AS and Setzpfandt, F and Clark, AS and Wu, CW and Collins, MJ and Xiong, C and Schreiber, A and Katzschmann, F and Eilenberger, F and Schiek, R and Sohler, W and Mitchell, A and Silberhorn, C and Eggleton, BJ and Pertsch, T and Sukhorukov, AA and Neshev, DN and Kivshar, YS},
doi = {10.1103/PhysRevX.4.031007},
journal = {Physical Review X},
title = {Generation of nonclassical biphoton states through cascaded quantum walks on a nonlinear chip},
url = {http://dx.doi.org/10.1103/PhysRevX.4.031007},
volume = {4},
year = {2014}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We demonstrate a nonlinear optical chip that generates photons with reconfigurable nonclassical spatial correlations. We employ a quadratic nonlinear waveguide array, where photon pairs are generated through spontaneous parametric down-conversion and simultaneously spread through quantum walks between the waveguides. Because of the quantum interference of these cascaded quantum walks, the emerging photons can become entangled over multiple waveguide positions. We experimentally observe highly nonclassical photon-pair correlations, confirming the high fidelity of on-chip quantum interference. Furthermore, we demonstrate biphoton-state tunability by spatial shaping and frequency tuning of the classical pump beam.
AU  - Solntsev,AS
AU  - Setzpfandt,F
AU  - Clark,AS
AU  - Wu,CW
AU  - Collins,MJ
AU  - Xiong,C
AU  - Schreiber,A
AU  - Katzschmann,F
AU  - Eilenberger,F
AU  - Schiek,R
AU  - Sohler,W
AU  - Mitchell,A
AU  - Silberhorn,C
AU  - Eggleton,BJ
AU  - Pertsch,T
AU  - Sukhorukov,AA
AU  - Neshev,DN
AU  - Kivshar,YS
DO  - 10.1103/PhysRevX.4.031007
PY  - 2014///
SN  - 2160-3308
TI  - Generation of nonclassical biphoton states through cascaded quantum walks on a nonlinear chip
T2  - Physical Review X
UR  - http://dx.doi.org/10.1103/PhysRevX.4.031007
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000341246700003&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - https://journals.aps.org/prx/abstract/10.1103/PhysRevX.4.031007
VL  - 4
ER  -
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