3 papers
astro-ph.IM2025
Dynamic spectral tailoring of a 10 GHz laser frequency comb for enhanced calibration of astronomical spectrographs
Pooja Sekhar, Connor Fredrick, Peter Zhong +3
Laser frequency combs (LFCs) are an important component of Doppler radial velocity (RV) spectroscopy that pushes fractional precision to the level, as required to identi…
physics.optics2024
Resonant EO combs: Beyond the standard phase noise model of frequency combs
Holger R. Heebøll, Pooja Sekhar, Jasper Riebesehl +6
A resonant electro-optic (EO) frequency comb is generated through electro-optic modulation of laser light within an optical resonator. Compared to cavity-less EO combs generated in…
physics.optics2024
Tunable 30 GHz laser frequency comb for astronomical spectrograph characterization and calibration
Pooja Sekhar, Molly Kate Kreider, Connor Fredrick +5
The search for earth-like exoplanets with the Doppler radial velocity technique is an extremely challenging and multifaceted precision spectroscopy problem. Currently, one of the l…