Acta Optica Sinica, Volume. 41, Issue 8, 0823016(2021)
Progress of Metasurface-Enabled Preparation and Manipulation of Quantum States
Fig. 3. Wavefront control at all-dielectric metasurfaces. (a) Electric and magnetic dipole responses in dielectric nanoparticles[62]; (b) schematic of the unidirectional scattering[63]; (c)(d) metalens[67-68]; (e)(f) hologram[64,69]; (g) wide-angle Fourier lens[73]; (h) optical wavelength multiplexing with spin selective arbitrary energy distribution[74]; (i) focusing beyond the diffraction limit[75]; (j) nonlinear wavefront control[77]
Fig. 4. Quantum emitters integrated with metasurfaces. (a) Schematic of metasurface-enhanced single-photon emission in hBN flake[36]; (b) photoluminescence (PL) spectra before and after the coupling between quantum emitter and supersurface; (c) second-order autocorrelation functions measured from the pristine and coupled systems; (d)(e) schematic of spinning single photons generated by a hybrid system of metasurface and NV center in diamond[37]; (f)(g) far-field intensity and polarization distributions of right-hand and left-hand circularly polarized photons; (h)(i) measured far-field emission intensity distributions before and after the metasurface fabrication; (j)(k) second-order autocorrelation functions measured before and after the metasurface fabrication
Fig. 5. Quantum emitters integrated with SSBM[38]. (a) Schematic of metasurface-enabled on-demand spin-state control of single-photon emission; (b)(c) simulated results of far-field scattering patterns of device 1 and device 2
Fig. 6. Quantum interference among the decay channels in a quantum emitter[89]. (a)(b) Principle of metasurface-enabled remote anisotropic quantum vacuum; (c) simulated field intensity distribution of a dipole source; (d)(e) simulated reflection field intensity distribution of the x dipole and y dipole respectively; (f) anisotropic decay rate of a two-level atom; (g) excited state populations of a three-level atom
Fig. 7. Metalens-array-based high-dimensional and multiphoton quantum source[39]. (a) Schematic of the quantum source; (b)image of SPDC photon-pair array recorded by EMCCD; (c)(d) four-photon and six-photon coincidence dependence to pump power; (e)(f) schematic and the measured result of the four-photon HOM interference
Fig. 8. Spontaneous photon-pair generation from a dielectric nanoantenna[40]. (a) Schematic of photon-pair generation from AlGaAs nanoantenna through the SPDC process; (b) SFG process of polarization correlations in the nanoantenna; (c) measured coincidences counts of photon-pair
Fig. 10. Path entanglement manipulation and measurement of metasurfaces[43]. (a) Schematic of entanglement and disentanglement achieved by metasurface; (b) experiment setup for the generation and measurement of path-entangled two-photon NOON state; (c) normalized coincidence counts between detector D1 and detector D2+D3; (d) schematic of quantum measurements on a metasurface-based interferometer; (e) experimental results of two-photon state with different time delays
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Lieyu Chen, Zhancheng Li, Hua Cheng, Jianguo Tian, Shuqi Chen. Progress of Metasurface-Enabled Preparation and Manipulation of Quantum States[J]. Acta Optica Sinica, 2021, 41(8): 0823016
Category: Optical Devices
Received: Sep. 18, 2020
Accepted: Nov. 9, 2020
Published Online: Apr. 10, 2021
The Author Email: Cheng Hua (hcheng@nankai.edu.cn), Chen Shuqi (schen@nankai.edu.cn)