4 papers
Spectral characterization of photon-pair sources via classical sum-frequency generation
Fumihiro Kaneda, Jo Oikawa, Masahiro Yabuno +5
Tailoring spectral properties of photon pairs is of great importance for optical quantum information and measurement applications. High-resolution spectral measurement is a key tec…
Direct generation of frequency-bin entangled photons via two-period quasi-phase-matched parametric downconversion
Fumihiro Kaneda, Hirofumi Suzuki, Ryosuke Shimizu +1
We report a simple scheme for direct generation of frequency-bin entangled photon pairs via spontaneous parametric downconversion. Our fabricated nonlinear optical crystal with two…
High-efficiency single-photon generation via large-scale active time multiplexing
Fumihiro Kaneda, Paul G. Kwiat
On-demand generation of indistinguishable single- and multi-photon states is a key technology for scaling up optical quantum information and communication applications. Nonlinear p…
Heralded single-photon source utilizing highly nondegenerate, spectrally factorable spontaneous parametric downconversion
Fumihiro Kaneda, Karina Garay-Palmett, Alfred B. U'Ren +1
We report on the generation of an indistinguishable heralded single-photon state, using highly nondegenerate spontaneous parametric downconversion (SPDC). Spectrally factorable pho…