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Nonlinear polaritons in a monolayer semiconductor coupled to optical bound states in the continuum

作     者:Vasily Kravtsov Ekaterina Khestanova Fedor A.Benimetskiy Tatiana Ivanova Anton K.Samusev Ivan S.Sinev Dmitry Pidgayko Alexey M.Mozharov Ivan S.Mukhin Maksim S.Lozhkin Yuri V.Kapitonov Andrey S.Brichkin Vladimir D.Kulakovskii Ivan A.Shelykh Alexander I.Tartakovskii Paul M.Walker Maurice S.Skolnick Dmitry N.Krizhanovskii Ivan V.Iorsh Vasily Kravtsov;Ekaterina Khestanova;Fedor A.Benimetskiy;Tatiana Ivanova;Anton K.Samusev;Ivan S.Sinev;Dmitry Pidgayko;Alexey M.Mozharov;Ivan S.Mukhin;Maksim S.Lozhkin;Yuri V.Kapitonov;Andrey S.Brichkin;Vladimir D.Kulakovskii;Ivan A.Shelykh;Alexander I.Tartakovskii;Paul M.Walker;Maurice S.Skolnick;Dmitry N.Krizhanovskii;Ivan V.Iorsh

作者机构:ITMO UniversitySaint Petersburg 197101Russia St.Petersburg Academic UniversitySaint Petersburg 194021Russia Saint Petersburg State Universityul.Ulyanovskaya 1Saint Petersburg 198504Russia Institute of Solid State PhysicsRASChernogolovka 142432Russia Science InstituteUniversity of IcelandDunhagi 3IS-107ReykjavikIceland Department of Physics and AstronomyUniversity of SheffieldSheffield S37RHUK 

出 版 物:《Light(Science & Applications)》 (光(科学与应用)(英文版))

年 卷 期:2020年第9卷第1期

页      面:1480-1487页

核心收录:

学科分类:07[理学] 070201[理学-理论物理] 0702[理学-物理学] 

基  金:funding from the Ministry of Education and Science of the Russian Federation through Megagrant No.14.Y26.31.0015 the UK EPSRC grant EP/P026850/1 the project“Hybrid polaritonics”of Icelandic Science Foundation funded by RFBR according to the research project№18-32-00527 funded by RFBR,project No 19-32-90269 partly funded by the Russian Science Foundation(Grant No.19-72-30003) support from the Government of the Russian Federation through the ITMO Fellowship and Professorship Program 

主  题:polar nonlinear continuum 

摘      要:Optical bound states in the continuum(BICs)provide a way to engineer very narrow resonances in photonic *** extended interaction time in these systems is particularly promising for the enhancement of nonlinear optical processes and the development of the next generation of active optical ***,the achievable interaction strength is limited by the purely photonic character of optical ***,we mix the optical BIC in a photonic crystal slab with excitons in the atomically thin semiconductor MoSe_(2) to form nonlinear exciton-polaritons with a Rabi splitting of 27 meV,exhibiting large interaction-induced spectral *** asymptotic BIC-like suppression of polariton radiation into the far field toward the BIC wavevector,in combination with effective reduction of the excitonic disorder through motional narrowing,results in small polariton linewidths below 3 *** with a strongly wavevector-dependent Q-factor,this provides for the enhancement and control of polariton–polariton interactions and the resulting nonlinear optical effects,paving the way toward tuneable BIC-based polaritonic devices for sensing,lasing,and nonlinear optics.

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