We put forward an effective amplification protocol for protecting the single-photon entangled state of the time-bin qubit. The protocol only requires one pair of the single-photon entangled state and some auxiliary single photons. With the help of the 50:50 beam splitters, variable beam splitters with the transmission of $t$ and the polarizing beam splitters, we can increase the fidelity of the single-photon entangled state under $tWe put forward an effective amplification protocol for protecting the single-photon entangled state of the time-bin qubit. The protocol only requires one pair of the single-photon entangled state and some auxiliary single photons. With the help of the 50:50 beam splitters, variable beam splitters with the transmission of $t$ and the polarizing beam splitters, we can increase the fidelity of the single-photon entangled state under $t

arXiv:1605.09480May 31, 20160 citations

Conditional probabilities for a single photon at a beam splitter

Kurt A. Jacobs, P. L. Knight

Eight-port homodyne detection may be used to perform a joint measurement on a single-mode input to a beam splitter; the $x$ quadrature is measured at one output port, and the $p$ quadrature is measured at the other. This is possible even when the input mode contains only one photon. We show to what extent this "joint measurement of a single photon" may be reconciled with the semiclassical notion that the photon may only exit from one of the beam splitter output ports.Eight-port homodyne detection may be used to perform a joint measurement on a single-mode input to a beam splitter; the $x$ quadrature is measured at one output port, and the $p$ quadrature is measured at the other. This is possible even when the input mode contains only one photon. We show to what extent this "joint measurement of a single photon" may be reconciled with the semiclassical notion that the photon may only exit from one of the beam splitter output ports.

Physical Review ANov 1, 199611 citations

Entangling single photons on a beamsplitter

Matthieu Larqué, A. Beveratos, Isabelle Robert-Philip

arXiv:0801.1595The European Physical Journal DFeb 5, 20086 citations

Multiple beam splitter for single photons (5 pages)

Marijan Koštrun, T. Wang, Susanne F. Yelin

Physical Review AJan 1, 20042 citations

SINGLE-PHOTON OPTICS

Bahaa E. A. Saleh

Graduate texts in physicsJan 1, 20250 citations

t

and the polarizing beam splitters, we can increase the fidelity of the single-photon entangled state under $t

Eight-port homodyne detection may be used to perform a joint measurement on a single-mode input to a beam splitter; the

x

quadrature is measured at one output port, and the

p

quadrature is measured at the other. This is possible even when the input mode contains only one photon. We show to what extent this "joint measurement of a single photon" may be reconciled with the semiclassical notion that the photon may only exit from one of the beam splitter output ports.