title: The generation of continuous-variable entanglement frequency comb.
abstract: Continuous-variable (CV) entanglement frequency comb can be produced by enhanced Raman scattering in an above-threshold optical oscillator cavity in which a hexagonally-poled LiTaO3 crystal resides as a Raman gain medium. The Stokes and anti-Stokes Raman signals are enhanced by a coupled quasi-phase-matching optical parametric process and the entanglement natures among these Raman signals and pump are demonstrated by applying a sufficient inseparability criterion for CV entanglement. Such entanglement frequency comb source with different frequencies and continuously tunable frequency interval may be very significant for the applications in quantum communication and networks.
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Youbin
authors.initials: Y
authors.lastname: Yu
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Xiaomin
authors.initials: X
authors.lastname: Cheng
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Huaijun
authors.initials: H
authors.lastname: Wang
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Zhongtao
authors.initials: Z
authors.lastname: Shi
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Junwei
authors.initials: J
authors.lastname: Zhao
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Fengmin
authors.initials: F
authors.lastname: Ji
authors.affiliation: School of Sciences, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Zhi
authors.initials: Z
authors.lastname: Yin
authors.affiliation: School of Materials, Ningbo University of Technology, Ningbo 315211, China.
authors.forename: Yajuan
authors.initials: Y
authors.lastname: Wang