4 papers
Injection locking of GHz-frequency surface acoustic wave phononic crystal oscillator
Zichen Xi, Hsuan-Hao Lu, Jun Ji +4
Low-noise gigahertz (GHz) frequencies sources are essential for applications in signal processing, sensing, and telecommunications. Surface acoustic wave (SAW) resonator-based osci…
Room-temperature mid-infrared detection using metasurface-absorber-integrated phononic crystal oscillator
Zichen Xi, Zengyu Cen, Dongyao Wang +9
Mid-infrared (MIR) detectors find extensive applications in chemical sensing, spectroscopy, communications, biomedical diagnosis and space explorations. Alternative to semiconducto…
Optical multi-beam steering and communication using integrated acousto-optics arrays
Qixuan Lin, Shucheng Fang, Yue Yu +4
Optical beam steering enables optical detection and imaging in macroscopic or microscopic scales and long-range communication over free space. It underpins numerous optical applica…
Frequency-domain Parallel Computing Using Single On-Chip Nonlinear Acoustic-wave Device
Jun Ji, Zichen Xi, Bernadeta R. Srijanto +4
Multiply-accumulation (MAC) is a crucial computing operation in signal processing, numerical simulations, and machine learning. This work presents a scalable, programmable, frequen…