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

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

With the rapid data growth driven by smart phone, high-definition television and virtual
reality/augmented reality devices and so on, the launched 5G and upcoming 6G wireless …

Heteroepitaxy of III–V compound semiconductors on industry standard (001) silicon (Si)
substrates is highly desirable for large-scale electronic and photonic integrated circuits …

A seven-bit optical true time delay unit with a delay tuning increment of 1.42 ps was
designed and fabricated on silicon photonics platform, which can be utilized in Ka-band …

Three optical ring resonator (ORR)-based integrated ultra-low-loss silicon nitride 1× 4
optical beamforming networks (OBFNs) for millimeter-wave (mmW) beamsteering are …

We present a novel broadband continuously tunable microwave photonic delay line
consisting of a modulator, a four-stage microring resonator delay line, a tunable optical …

Heteroepitaxy of indium phosphide (InP) and its lattice-matched alloys on silicon (Si) show
great promise for Si-based optoelectronic devices and photonic integrated circuits. Here, we …

A summary of photonic integrated circuit (PIC) platforms is provided with emphasis on
indium phosphide (InP). Examples of InP PICs were fabricated and characterized for free …

Photonic beamforming networks are promising candidates to achieve power-efficient
transmission in future cellular communication systems. However, sensitivity to process and …