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physics.optics2026
Heterodyne-Enhanced Sensing of Cavity Mode Spacing
Aaron D. Spector, Laura Roberts
Characterizing the frequencies of resonant modes is critical to a wide variety of experimental applications. In this work we demonstrate a heterodyne-enhanced sensing scheme capabl…
physics.optics2025
Demonstration of an interferometric technique for measuring vacuum magnetic birefringence with an optical cavity
Aaron D. Spector, Todd Kozlowski, Laura Roberts
Vacuum magnetic birefringence (VMB) is an effect predicted by quantum electrodynamics, in which the vacuum behaves as a non-linear optical medium and exhibit a birefringence in the…