5 papers
Nonlinear exceptional points in an integrated acoustic-wave oscillator for longwave infrared sensing
Linbo Shao, Zichen Xi, Zengyu Cen +8
Exceptional points (EP) featuring enhanced responsivity and rich dynamics have attracted extensive attentions in device developments and sensing applications. However, it remains d…
Low-loss phononic integrated circuits based on a silicon nitride-lithium niobate platform
Jun Ji, Joseph G Thomas, Zichen Xi +7
Microwave-frequency acoustic waves in solids have emerged as a versatile platform for both classical and quantum applications. While phononic integrated devices and circuits are be…
Microwave-acoustic-based isolated gate driver for power electronics
Liyang Jin, Zichen Xi, Joseph G. Thomas +6
Electrical isolation is critical to ensure safety and minimize electromagnetic interference (EMI), yet existing methods struggle to simultaneously transmit power and signals throug…
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…
Low-phase-noise surface-acoustic-wave oscillator using an edge mode of a phononic band gap
Zichen Xi, Joseph G. Thomas, Jun Ji +7
Low-phase-noise microwave-frequency integrated oscillators provide compact solutions for various applications in signal processing, communications, and sensing. Surface acoustic wa…