Frequency-Multiplexed Photon Pairs Over 1000 Modes from a Quadratic Nonlinear Optical Waveguide Resonator with a Singly Resonant Configuration

Rikizo Ikuta^1,2, Ryoya Tani¹, Masahiro Ishizaki¹, Shigehito Miki^3,4, Masahiro Yabuno³, Hirotaka Terai³, Nobuyuki Imoto², and Takashi Yamamoto^1,2

Phys. Rev. Lett., 123 , pp. 193603, 2019

¹Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan

²Quantum Information and Quantum Biology Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka 560-8531, Japan

³Advanced ICT Research Institute, National Institute of Information and Communications Technology (NICT), Kobe 651-2492, Japan

⁴Graduate School of Engineering Faculty of Engineering, Kobe University, Kobe 657-0013, Japan