activity
20082026
most citedCollisional losses, decoherence, and frequency shifts in optical lattice clocks with bosons

87 citations · 113 across the 7 of their papers we have counts for

collaborators

8 papers

physics.optics2026

Laser with stability

Ben Lewis, Zoey Z. Hu, Dahyeon Lee +8

We report a laser with record frequency stability, based on a 21 cm cryogenic silicon cavity. For best short-term stability, the cavity operates at 6 K to minimize Brownian thermal…

physics.optics2026

Laser stabilized to a room temperature cavity with AlGaAs coatings reaching fractional frequency instability

Chun Yu Ma, Jialiang Yu, Steffen Sauer +6

We present a laser system referenced to a room-temperature ultrastable cavity employing crystalline AlGaAs coatings. We demonstrate a fractional frequency instability of $4.2 \time…

quant-ph2026

Lunar Silicon Cavity

Jun Ye, Zoey Z. Hu, Ben Lewis +5

The Moon's permanently shadowed regions (PSRs) are among the coldest places in the Solar System and are expected to become key landing sites for upcoming international space agency…

physics.optics2026★ 1 cited

Photo-birefringent effects in crystalline AlGaAs mirror coatings

Chun Yu Ma, Jialiang Yu, Thomas Legero +5

High-reflective crystalline coatings show reduced Brownian noise compared to conventional dielectric coatings. However, several ultra stable laser syste…

physics.optics2025

Frequency stability of in a Si cavity with AlGaAs crystalline mirrors

Dahyeon Lee, Zoey Z. Hu, Ben Lewis +8

Developments in ultrastable lasers have fueled remarkable advances in optical frequency metrology and quantum science. A key ingredient in further improving laser frequency stabili…

physics.optics2024★ 6 cited

Ultrastable lasers: investigations of crystalline mirrors and closed cycle cooling at 124 K

C. Y. Ma, J. Yu, T. Legero +8

We have investigated crystalline AlGaAs/GaAs optical coatings with three ultra-stable cavities operating at 4 K, 16 K, 124 K and 297 K. The response of the resonance frequencies of…

physics.atom-ph2009★ 87 cited

Collisional losses, decoherence, and frequency shifts in optical lattice clocks with bosons

Ch. Lisdat, J. S. R. Vellore Winfred, T. Middelmann +2

We have quantified collisional losses, decoherence and the collision shift in a one-dimensional optical lattice clock with bosonic 88Sr. The lattice clock is referenced to the high…

physics.optics2008★ 19 cited

Interrogation laser for a strontium lattice clock

T. Legero, Ch. Lisdat, J. S. R. Vellore Winfred +4

We report on the setup and characterization of a 698 nm master-slave diode laser system to probe the 1S0-3P0 clock transition of strontium atoms confined in a one-dimensional optic…