Quantum walks, in virtue of the coherent superposition and quantum interference, have
exponential superiority over their classical counterpart in applications of quantum searching …

Quantum walks are powerful kernels in quantum computing protocols, and possess strong
capabilities in speeding up various simulation and optimization tasks. One striking example …

Single-photon technology, based on the measurement of very weak-dose electromagnetic
radiation fields, has diverse applications ranging from life sciences to remote sensing …

The gaps separating two different states widely exist in various physical systems: from the
electrons in periodic lattices to the analogs in photonic, phononic, plasmonic systems, and …

Quantum key distribution (QKD), harnessing quantum physics and optoelectronics, may
promise unconditionally secure information exchange in theory. Recently, theoretical and …

Optical underwater target imaging and detection have been a tough but significant
challenge in deep-sea exploration. Distant reflected signals drown in various underwater …

Quantum walks on graphs play an important role in the field of quantum algorithms. Fast
hitting is one of the properties that quantum walk algorithms can utilize to outperform …

Quantum correlation and its measurement are essential in exploring fundamental quantum
physics problems and developing quantum-enhanced technologies. A quantum correlation …

We investigate a four-level tripod atomic sample trapped, respectively, in a one-dimensional
order and disorder (atom number fluctuation) optical lattice to achieve the tunable and …

The implementation of quantum information technologies requires the development of
integrated quantum chips. Femtosecond laser direct writing (FLDW) waveguides and …