TY - JOUR
T1 - Quantum metasurface for multiphoton interference and state reconstruction
AU - Wang, Kai
AU - Titchener, James G.
AU - Kruk, Sergey S.
AU - Xu, Lei
AU - Chung, Hung Pin
AU - Parry, Matthew
AU - Kravchenko, Ivan I.
AU - Chen, Yen Hung
AU - Solntsev, Alexander S.
AU - Kivshar, Yuri S.
AU - Neshev, Dragomir N.
AU - Sukhorukov, Andrey A.
PY - 2018/9/14
Y1 - 2018/9/14
N2 - Metasurfaces based on resonant nanophotonic structures have enabled innovative types of flat-optics devices that often outperform the capabilities of bulk components,yet these advances remain largely unexplored for quantum applications.We show that nonclassical multiphoton interferences can be achieved at the subwavelength scale in all-dielectric metasurfaces.We simultaneously image multiple projections of quantum states with a single metasurface,enabling a robust reconstruction of amplitude,phase,coherence, and entanglement of multiphoton polarization-encoded states.One-and two-photon states are reconstructed through nonlocal photon correlation measurements with polarizationinsensitive click detectors positioned after the metasurface, and the scalability to higher photon numbers is established theoretically.Our work illustrates the feasibility of ultrathin quantum metadevices for the manipulation and measurement of multiphoton quantum states,with applications in free-space quantum imaging and communications.
AB - Metasurfaces based on resonant nanophotonic structures have enabled innovative types of flat-optics devices that often outperform the capabilities of bulk components,yet these advances remain largely unexplored for quantum applications.We show that nonclassical multiphoton interferences can be achieved at the subwavelength scale in all-dielectric metasurfaces.We simultaneously image multiple projections of quantum states with a single metasurface,enabling a robust reconstruction of amplitude,phase,coherence, and entanglement of multiphoton polarization-encoded states.One-and two-photon states are reconstructed through nonlocal photon correlation measurements with polarizationinsensitive click detectors positioned after the metasurface, and the scalability to higher photon numbers is established theoretically.Our work illustrates the feasibility of ultrathin quantum metadevices for the manipulation and measurement of multiphoton quantum states,with applications in free-space quantum imaging and communications.
UR - http://www.scopus.com/inward/record.url?scp=85053306424&partnerID=8YFLogxK
U2 - 10.1126/science.aat8196
DO - 10.1126/science.aat8196
M3 - Article (Academic Journal)
C2 - 30213910
AN - SCOPUS:85053306424
SN - 0036-8075
VL - 361
SP - 1104
EP - 1108
JO - Science
JF - Science
IS - 6407
ER -