Narrow linewidth stabilized lasers are central to precision applications that operate across the visible to short-wave infrared wavelengths,including optical clocks,quantum sensing and computing,ultra-low noise microw...Narrow linewidth stabilized lasers are central to precision applications that operate across the visible to short-wave infrared wavelengths,including optical clocks,quantum sensing and computing,ultra-low noise microwave generation,and fiber sensing.Today,these spectrally pure sources are realized using multiple external cavity tabletop lasers locked to bulk-optic free-space reference cavities.Integration of this technology will enable portable precision applications with improved reliability and robustness.Here,we report wavelength-flexible design and operation,over more than an octave span,of an integrated coil-resonator-stabilized Brillouin laser architecture.Leveraging a versatile two-stage noise reduction approach,we achieve low linewidths and high stability with chip-scale laser designs based on the ultra-low-loss,CMOS-compatible silicon nitride platform.We report operation at 674 and 698 nm for applications to strontium neutral and trapped-ion clocks,quantum sensing and computing,and at 1550 nm for applications to fiber sensing and ultra-low phase noise microwave generation.Over this range we demonstrate frequency noise reduction from 1 to 10 MHz resulting in 1.0-17 Hz fundamental and 181-630 Hz integral linewidths and an Allan deviation of 6.5×10^(-13)at 1ms for 674 nm,6.0×10^(-13)at 15ms for 698 nm,and 2.6×10^(-13)at 15 ms for 1550 nm.This work demonstrates the lowest fundamental and integral linewidths and highest stability achieved to date for stabilized Brillouin lasers with integrated coil-resonator references,with over an order of magnitude improvement in the visible wavelength range.These results unlock the potential of integrated,ultra-low-phase-noise stabilized lasers for precision applications and further integration in systems-on-chip solutions.展开更多
基金supported by DARPA GRYPHON,under Award Number HR0011-22-2-0008by the U.S.Army Research Office under contract/grant number W911NF2310179+1 种基金by the NSF under Award Number 2016244by a gift from Thorlabs.
文摘Narrow linewidth stabilized lasers are central to precision applications that operate across the visible to short-wave infrared wavelengths,including optical clocks,quantum sensing and computing,ultra-low noise microwave generation,and fiber sensing.Today,these spectrally pure sources are realized using multiple external cavity tabletop lasers locked to bulk-optic free-space reference cavities.Integration of this technology will enable portable precision applications with improved reliability and robustness.Here,we report wavelength-flexible design and operation,over more than an octave span,of an integrated coil-resonator-stabilized Brillouin laser architecture.Leveraging a versatile two-stage noise reduction approach,we achieve low linewidths and high stability with chip-scale laser designs based on the ultra-low-loss,CMOS-compatible silicon nitride platform.We report operation at 674 and 698 nm for applications to strontium neutral and trapped-ion clocks,quantum sensing and computing,and at 1550 nm for applications to fiber sensing and ultra-low phase noise microwave generation.Over this range we demonstrate frequency noise reduction from 1 to 10 MHz resulting in 1.0-17 Hz fundamental and 181-630 Hz integral linewidths and an Allan deviation of 6.5×10^(-13)at 1ms for 674 nm,6.0×10^(-13)at 15ms for 698 nm,and 2.6×10^(-13)at 15 ms for 1550 nm.This work demonstrates the lowest fundamental and integral linewidths and highest stability achieved to date for stabilized Brillouin lasers with integrated coil-resonator references,with over an order of magnitude improvement in the visible wavelength range.These results unlock the potential of integrated,ultra-low-phase-noise stabilized lasers for precision applications and further integration in systems-on-chip solutions.
