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quant-ph2026
Phase Independent Measurement of Weak Coherent Optical Signals
Lani Chastain, Priya Drashni, Mahadeva Chanda Durjoy +3
We develop a quantum sensing framework for the phase independent detection of weak coherent optical displacements based on SU(1,1) interferometry. Unlike conventional quantum measu…
quant-ph2026
High-flux sub-Poissonian twin fields generation from warm atomic vapor
Priya Drashni, Hari P. Lamsal, Belle A. White +3
We demonstrate the generation of sub-Poissonian twin fields via near-degenerate spontaneous four-wave mixing (SFWM) in warm vapor at 795~nm. When seeded with a w…