Near-circularly polarized isolated attosecond pulse generation from coherent superposition state by a circularly polarized laser field
Sign Up to like & getrecommendations! Published in 2019 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-019-1888-7
Abstract: We theoretically investigate high-order harmonic generation (HHG) from a coherent superposition state of hydrogen atom in a circularly polarized (CP) laser field. The results show that, driven by the CP field, HHG from the coherent… read more here.
Keywords: field; coherent superposition; circularly polarized; superposition state ... See more keywords
Entanglement of coherent superposition of photon-subtraction squeezed vacuum
Sign Up to like & getrecommendations! Published in 2017 at "Frontiers of Physics"
DOI: 10.1007/s11467-017-0694-6
Abstract: A new kind of non-Gaussian quantum state is introduced by applying nonlocal coherent superposition (τa + sb)m of photon subtraction to two single-mode squeezed vacuum states, and the properties of entanglement are investigated according to… read more here.
Keywords: superposition photon; squeezed vacuum; coherent superposition; photon subtraction ... See more keywords
Speeding up the creation of coherent superposition states by shortcut-to-adiabaticity means
Sign Up to like & getrecommendations! Published in 2020 at "Annals of Physics"
DOI: 10.1016/j.aop.2020.168200
Abstract: Abstract We propose protocols of loop stimulated Raman shortcut-to-adiabatic passage (STIRSAP) and modified-STIRSAP to speed up the creation of arbitrary high fidelity coherent superposition states ( F ≃ 0 . 999 ). In loop- and… read more here.
Keywords: creation coherent; superposition states; coherent superposition;
Quantum test of the equivalence principle for atoms in coherent superposition of internal energy states
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/ncomms15529
Abstract: The Einstein equivalence principle (EEP) has a central role in the understanding of gravity and space–time. In its weak form, or weak equivalence principle (WEP), it directly implies equivalence between inertial and gravitational mass. Verifying… read more here.
Keywords: equivalence principle; principle; coherent superposition; test ... See more keywords
Quantum metrology with coherent superposition of two different coded channels
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac0bae
Abstract: We investigate the advantage of coherent superposition of two different coded channels in quantum metrology. In a continuous variable system, we show that the Heisenberg limit 1/N can be beaten by the coherent superposition without… read more here.
Keywords: superposition two; coherent superposition; different coded; two different ... See more keywords
Phase estimation of an SU(1,1) interferometer with a coherent superposition squeezed vacuum in a realistic case.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.472662
Abstract: The phase sensitivity of SU(1,1) interferometer is investigated using a coherent state and an m-coherent superposition squeezed vacuum states as inputs and the intensity detection. Photon-subtraction, photon-addition and photon superposition are three special cases. Both… read more here.
Keywords: superposition; superposition squeezed; phase; coherent superposition ... See more keywords
Complex structured beam direct generation by coherent superposition of a complete set of degenerate eigenmodes.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.488812
Abstract: Structured beams have played an important role in many fields due to their rich spatial characteristics. The microchip cavity with a large Fresnel number can directly generate structured beams with complex spatial intensity distribution, which… read more here.
Keywords: microchip cavity; degenerate; structured beams; coherent superposition ... See more keywords