With the growing importance of single-photon-counting (SPC) techniques, researchers are
now designing high-performance systems based on single-photon avalanche diodes …

Enhancing photon detection efficiency and time resolution in photodetectors in the entire
visible range is critical to improve the image quality of time-of-flight (TOF)-based imaging …

The decoy‐state protocol enables quantum key distribution (QKD) systems to achieve high
performance without using the single‐photon source. In the dozen years since the decoy …

There is an increasing demand for multiplexing of quantum key distribution with optical
communications in single fiber in consideration of high costs and practical applications in …

The demand for the integration of quantum key distribution (QKD) and classical optical
communication in the same optical fiber medium greatly increases as fiber resources and …

In quantum computing, key distribution is an indispensable approach for establishing secure
communication using the principles of quantum mechanics. However, existing key …

The passive decoy method, a candidate for high‐speed quantum key distribution (QKD), can
prepare laser pulses with various photon‐number distributions according to the responses …

A precise estimation of the detection response is essential for a high-performance and
secure quantum-key-distribution (QKD) system. Single-photon avalanche diodes (SPADs) …

Free-space quantum key distribution (QKD) has been gaining popularity in recent years due
to its advantages in creating networking options for the quantum internet. One of the main …

There is no doubt that measurement-device-independent quantum key distribution (MDI-
QKD) is a crucial protocol that is immune to all possible detector side channel attacks. In the …