2 papers
quant-ph2019
Two-Dimensional Optomechanical Crystal Cavity with High Quantum Cooperativity
Hengjiang Ren, Matthew H. Matheny, Greg S. MacCabe +4
Optomechanical systems offer new opportunities in quantum information processing and quantum sensing. Many solid-state quantum devices operate at millikelvin temperatures -- howeve…
cond-mat.mes-hall2019
Phononic bandgap nano-acoustic cavity with ultralong phonon lifetime
Gregory S. MacCabe, Hengjiang Ren, Jie Luo +5
We present measurements at millikelvin temperatures of the microwave-frequency acoustic properties of a crystalline silicon nanobeam cavity incorporating a phononic bandgap clampin…