How large is the quantum enhancement of two-photon absorption by time-frequency entanglement of photon pairs?
Michael G. Raymer, Tiemo Landes, Markus Allgaier, Sofiane Merkouche, Brian J. Smith, Andrew H. Marcus
Abstract
We present a theoretical proof that the “quantum enhancement” of two-photon absorption, thought to be a means to improve molecular spectroscopy and imaging, is tightly bounded by the physics of photonic entanglement and nonlinear response.
Topics & Concepts
Quantum entanglementPhotonTwo-photon excitation microscopyPhysicsPhotonicsQuantumQuantum mechanicsAbsorption (acoustics)Photon entanglementTwo-photon absorptionQuantum sensorQuantum opticsQuantum imagingBounded functionOptoelectronicsOpticsQuantum networkMathematicsFluorescenceLaserMathematical analysisQuantum Information and CryptographyAdvanced Fluorescence Microscopy TechniquesMechanical and Optical Resonators