154 citations · 617 across the 14 of their papers we have counts for
14 papers
Low-loss polarization-maintaining router for single and entangled photons at a telecom wavelength
Pengfei Wang, Soyoung Baek, Masahiro Yabuno +3
Photon polarization serves as an essential quantum information carrier in quantum information and measurement applications. Routing of arbitrarily polarized single photons and pola…
Optimized Spectral Purity of Heralded Single Photons at the Telecom O-Band
Wu-Hao Cai, Soyoung Baek, Rui-Bo Jin +1
We report on optimizing the spectral purity of heralded single photons in the telecom O-band, where single photons can be propagated with low loss and low dispersion in a standard…
Low-Loss Polarization-Maintaining Optical Router for Photonic Quantum Information Processing
Pengfei Wang, Soyoung Baek, Keiichi Edamatsu +1
In photonic quantum applications, optical routers are required to handle single photons with low loss, high speed, and preservation of their quantum states. Single-photon routing w…
Error-disturbance uncertainty relations in a superconducting quantum processor
Tingrui Dong, Soyoung Baek, Fumihiro Kaneda +1
We experimentally test the error-disturbance uncertainty relation (EDR) in generalized, variable strength measurements of superconducting qubits on a NISQ processor. Making use of…
Generation of spectrally factorable photon pairs via multi-order quasi-phase-matched spontaneous parametric downconversion
Fumihiro Kaneda, Jo Oikawa, Masahiro Yabuno +5
For advanced quantum information technology, sources of photon pairs in quantum mechanically factorable states are of great importance for realizing high-fidelity photon-photon qua…
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…
Quantum-memory-assisted multi-photon generation for efficient quantum information processing
Fumihiro Kaneda, Feihu Xu, Joseph Chapman +1
In the last two decades, many quantum optics experiments have demonstrated small-scale quantum information processing applications with several photons. Beyond such proof-of-princi…
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…
A Time-Multiplexed Heralded Single-Photon Source
Fumihiro Kaneda, Bradley G. Christensen, Jia Jun Wong +3
Photons have proven to be excellent carriers of quantum information, and play essential roles in numerous quantum information processing (QIP) applications. In particular, heralded…
Experimental Test of Error-Disturbance Uncertainty Relations by Weak Measurement
Fumihiro Kaneda, So-Young Baek, Masanao Ozawa +1
We experimentally test the error-disturbance uncertainty relation (EDR) in generalized, strength-variable measurement of a single photon polarization qubit, making use of weak meas…
Entangled state generation with an intrinsically pure single-photon source and a weak coherent source
Rui-Bo Jin, Ryosuke Shimizu, Fumihiro Kaneda +3
We report on the experimental generation of an entangled state with a spectrally pure heralded single-photon state and a weak coherent state. By choosing group-velocity matching in…
Experimental Activation of Bound Entanglement
Fumihiro Kaneda, Ryosuke Shimizu, Satoshi Ishizaka +3
Entanglement is one of the essential resources in quantum information and communication technology (QICT). The entanglement thus far explored and applied to QICT has been pure and…