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
Controlled multi-photon subtraction with cascaded Rydberg superatoms as single-photon absorbers
Sign Up to like & getrecommendations! Published in 2021 at "Nature Communications"
DOI: 10.1038/s41467-021-24522-w
Abstract: The preparation of light pulses with well-defined quantum properties requires precise control at the individual photon level. Here, we demonstrate exact and controlled multi-photon subtraction from incoming light pulses. We employ a cascaded system of… read more here.
Keywords: photon; subtraction cascaded; multi photon; photon subtraction ... See more keywords
Transforming photon statistics through zero-photon subtraction
Sign Up to like & getrecommendations! Published in 2023 at "Physical Review A"
DOI: 10.1103/physreva.107.043711
Abstract: Zero-photon subtraction (ZPS) is a conditional measurement process that can reduce the mean photon number of quantum optical states without physically removing any photons. Here we show that ZPS can also be used to transform… read more here.
Keywords: zero photon; transforming photon; photon statistics; photon subtraction ... See more keywords
On Quantum Operations of Photon Subtraction and Photon Addition
Sign Up to like & getrecommendations! Published in 2019 at "Lobachevskii Journal of Mathematics"
DOI: 10.1134/s199508021910010x
Abstract: The conventional photon subtraction and photon addition transformations, $\varrho \rightarrow t a \varrho a^†$ and $\varrho \rightarrow t a^† \varrho a$, are not valid quantum operations for any constant $t>0$ since these transformations are not… read more here.
Keywords: photon subtraction; photon addition; quantum operations; addition ... See more keywords
Non-Gaussian quantum state generation by multi-photon subtraction at the telecommunication wavelength.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.486270
Abstract: In the field of continuous-variable quantum information processing, non-Gaussian states with negative values of the Wigner function are crucial for the development of a fault-tolerant universal quantum computer. While several non-Gaussian states have been generated… read more here.
Keywords: telecommunication wavelength; photon subtraction; non gaussian; quantum ... See more keywords
Performance Improvement of Underwater Continuous-Variable Quantum Key Distribution via Photon Subtraction
Sign Up to like & getrecommendations! Published in 2019 at "Entropy"
DOI: 10.3390/e21101011
Abstract: Considering the ocean water’s optical attenuation is significantly larger than that of Fiber Channel, we propose an approach to enhance the security of underwater continuous-variable quantum key distribution (CVQKD). In particular, the photon subtraction operation… read more here.
Keywords: quantum; continuous variable; underwater continuous; performance ... See more keywords