High production rate of single-photon and two-photon Fock states for quantum state engineering
arXiv:1807.05701 · doi:10.1364/OE.27.003113
Abstract
We report the implementation of a high-rate source of single and two-photon states. By combining the advantages of short pulses and cavities, heralding rates up to 250kHz with 88% fidelity have been obtained for the single photons as well as 800Hz with 82% fidelity for the two-photon states. Furthermore, we developed a setup where the homodyne measurement is conditioned by the heralding of the quantum states, enabling the detection of most of the heralded events. This allows a faster characterization of the photon source leading to an increase in the fidelities up to 91% and 88% respectively for the single-photon and two-photon Fock states. Such high rates and fidelities in the generation of elementary Fock states may open the path for the production of complex quantum states.
arXiv comment8 pages, 4 figures
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- Experimental demonstration of a versatile and scalable scheme for iterative generation of non-Gaussian states of light
- Generation of multi-photon Fock states at telecommunication wavelength using picosecond pulsed light
- Photon-number parity of heralded single photons from a Bragg-reflection waveguide reconstructed loss-tolerantly via moment generating function
- Certification of stellar ranks of quantum states of light with a pair of click detectors
- Dynamics of an atom cavity field system in interacting Fock space
- High-Rate Four Photon Subtraction from Squeezed Vacuum: Preparing Cat State for Optical Quantum Computation
- Simplified scheme for continuous-variable entanglement distillation: multicopy distillation of Gaussian entanglement without heralding Gaussian measurements