activity
20002026
most citedA sub-40 mHz linewidth laser based on a silicon single-crystal optical cavity

763 citations · 4.5k across the 44 of their papers we have counts for

collaborators

44 papers

astro-ph.IM2026

Laboratory characterization of iLocater

Marcelo Tala Pinto, Marshall C. Johnson, Julia Brady +18

iLocater is a diffraction-limited, fiber-fed spectrograph designed for the Large Binocular Telescope (LBT), which targets high-precision radial velocity measurements in the near-in…

astro-ph.IM2026

Commissioning and on-sky performance verification of iLocater

Marshall C. Johnson, Marcelo Tala Pinto, Jonathan Crass +59

iLocater is a high-resolution near-infrared extreme precision radial velocity (EPRV) spectrograph that was deployed to the Large Binocular Telescope (LBT) in June 2026. iLocater op…

astro-ph.IM2026

The Calibration System of the iLocater Spectrograph

Sai Vidyud Senthil Nathan, Jonathan Crass, Julia E. Brady +21

iLocater is a new near-infrared, extreme precision radial velocity (EPRV) instrument delivered to the Large Binocular Telescope in the summer of 2026. The instrument utilizes singl…

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…

physics.optics2026

Cordierite-based optical resonators with extremely low thermal expansion

Nico Wagner, Thomas Legero, Stefanie Kroker

Applications for ultra-stable lasers outside controlled laboratory environments require compact and robust optical resonators with reduced sensitivity to temperature fluctuations.…

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…