3 papers
quant-ph2026
Coherent Feedback Cooling of an Ultracoherent Phononic-Crystal Membrane at Room Temperature
Luiz Couto Correa Pinto Filho, Yingxuan Chen, Frederik Werner Isaksen +6
Optomechanical systems provide a versatile platform for precision measurements and investigations of fundamental physics, where bringing macroscopic resonators into the quantum reg…
physics.optics2026
High-yield fabrication of micromirror templates via feedback-controlled laser ablation
Daniel Allepuz-Requena, Jonas Schou Neergard-Nielsen, Alexander Huck +1
We present a high-yield method for fabricating concave micromirror templates in silica using feedback-controlled CO2 laser ablation with precise in situ positioning. Real-time moni…
quant-ph2026
Mitigating nonlinear transduction noise in high-cooperativity cavity optomechanics
Daniel Allepuz-Requena, Zohran Ali, Dennis Høj +4
Coupling mechanical motion to an optical resonator enables displacement measurements approaching the standard quantum limit (SQL). However, increasing the optomechanical coupling s…