Optical signal processing has been playing a crucial part as powerful engine for various
information systems in the practical applications. In particular, achieving large-scale …

The next generations of wireless communications are promising high capacity, low latency,
and high throughput, enabled by millimeter wave spectrum. Beamforming and beam …

Integrated quantum photonic applications, providing physically guaranteed communications
security, subshot-noise measurement, and tremendous computational power, are nearly …

Optical beam-forming networks (OBFNs) based on optical true-time delay lines (OTTDLs)
are well known as the promising candidate for solving the bandwidth limitation of traditional …

Microwave phased array antennas (PAAs) are very attractive to defense applications and
high-speed wireless communications for their abilities of fast beam scanning and complex …

Low-loss and compact optical waveguides are key for realizing various photonic integrated
circuits with long on-chip delay lines, such as tunable optical delay lines, optical coherence …

As light cannot be stopped or directly stored in any media, optical delay lines are usually
used to temporally trap the optical signals. We report a wide-range continuously tunable …

Phased array radars have remarkable advantages over radars with single-element antenna
in terms of agility, flexibility, robustness, and reconfigurability. Current pure-electronic …

On-chip integration of quantum optical systems could be a major factor enabling photonic
quantum technologies. Unlike the case of electronics, where the essential device is the …

A tunable optical delay line (ODL) featuring high switching speed and low optical loss is
highly desirable in many fields. Here, based on the thin-film lithium niobate platform, we …