典型文献
Nonlinear quantum spectroscopy with parity-time-symmetric integrated circuits
文献摘要：
We propose a novel quantum nonlinear interferometer design that incorporates a passive parity-time(PT)-symmetric coupler sandwiched between two nonlinear sections where signal-idler photon pairs are generated.The PT symmetry enables efficient coupling of the longer-wavelength idler photons and facilitates the sensing of losses in the second waveguide exposed to analyte under investigation,whose absorption can be inferred by meas-uring only the signal intensity at a shorter wavelength where efficient detectors are readily available.Remarkably,we identify a new phenomenon of sharp signal intensity fringe shift at critical idler loss values,which is distinct from the previously studied PT symmetry breaking.We discuss how such unconventional properties arising from quantum interference can provide a route to enhancing the sensing of analytes and facilitate broadband spectroscopy applications in integrated photonic platforms.
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作者姓名：
PAWAN KUMAR;SINA SARAVI;THOMAS PERTSCH;FRANK SETZPFANDT;ANDREY A.SUKHORUKOV
作者机构：
Institute of Applied Physics,Abbe Center of Photonics,Friedrich Schiller University Jena,07745 Jena,Germany;Fraunhofer Institute for Applied Optics and Precision Engineering,07745 Jena,Germany;Research School of Physics,Australian National University,Canberra,ACT 2601,Australia;ARC Centre of Excellence for Transformative Meta-Optical Systems(TMOS),Australia
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引用格式：
[1]PAWAN KUMAR;SINA SARAVI;THOMAS PERTSCH;FRANK SETZPFANDT;ANDREY A.SUKHORUKOV-.Nonlinear quantum spectroscopy with parity-time-symmetric integrated circuits)[J].光子学研究（英文）,2022(07):1763-1776
A类：
uring
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Nonlinear,quantum,spectroscopy,parity,symmetric,integrated,circuits,We,propose,novel,nonlinear,interferometer,design,that,incorporates,passive,PT,coupler,sandwiched,between,two,sections,where,signal,idler,pairs,are,generated,symmetry,enables,efficient,coupling,longer,wavelength,photons,facilitates,sensing,losses,second,waveguide,exposed,under,investigation,whose,absorption,can,inferred,by,meas,only,intensity,shorter,detectors,readily,available,Remarkably,identify,new,phenomenon,sharp,fringe,shift,critical,values,which,distinct,from,previously,studied,breaking,discuss,how,such,unconventional,properties,arising,interference,provide,route,enhancing,analytes,broadband,applications,photonic,platforms
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0.678945
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