Thermal-noise-limited, compact optical reference cavity operated without a vacuum enclosure
preprint
posted on 2023-07-08, 09:26 authored by Yifan Liu, Charles McLemore, Megan Kelleher, Dahyeon Lee, Takuma Nakamura, Naijun Jin, Susan Schima, Peter Rakich, Scott Diddams, Franklyn QuinlanWe present an in-vacuum bonded, 9.7 mL-volume Fabry-Pérot ultrastable optical reference cavity that operates without a vacuum enclosure. A laser stabilized to the cavity demonstrates low, thermal noise-limited phase noise and 5 × 10^{-14} Allan deviation at 1 second.
