6 papers
Experimental zero-added-loss multiplexing Bell-pair source for long-haul quantum networks
Yoshiaki Tsujimoto, Daiki Ichii, Rikizo Ikuta +4
Boosting the communication rate of quantum networks is a central challenge in quantum information science. Recently, an efficient entanglement distribution scheme employing quasi-d…
Loss-induced anomalous generalized bunching in multiphoton interference
Rikizo Ikuta
We show that internal loss and survival conditioning can activate anomalous generalized bunching in passive linear optical circuits. We introduce a conditional bunching probability…
All-optical control of coherent perfect absorption via frequency conversion
Rikizo Ikuta, Hirokazu Kobayashi, Hiroki Takahashi
Coherent perfect absorption (CPA) extinguishes optical fields through interference and dissipation, but conventional implementations rely on material loss that is largely fixed aft…
A quantum frequency conversion hub interfacing with DWDM networks
Masatake Yamada, Kurama Hirano, Masahiro Yabuno +5
Interconnecting heterogeneous quantum systems is an important step toward realizing the quantum internet. We propose a quantum network hub that interfaces local quantum devices wit…
Statistical-noise-enhanced multi-photon interference
Rikizo Ikuta
Photon statistics plays a governing role in multi-photon interference. While interference visibility in the standard two-photon case, known as Hong-Ou-Mandel interference, monotoni…
Q-Fly: An Optical Interconnect for Modular Quantum Computers
Daisuke Sakuma, Tomoki Tsuno, Hikaru Shimizu +11
Much like classical supercomputers, scaling up quantum computers requires an optical interconnect. However, signal attenuation leads to irreversible qubit loss, making quantum inte…