Multi-photon Absorption in Optical Pumping of Rubidium
Xinyi Xu
TL;DR
This paper investigates a new multi-photon absorption phenomenon in rubidium optical pumping, revealing its dependence on photon degeneracy and energy, and demonstrating higher amplitude radio frequency current absorption.
Contribution
It introduces the concept of multi-photon absorption in rubidium optical pumping and analyzes its dependence on photon degeneracy and energy, which was not previously documented.
Findings
Identification of a new multi-photon absorption process
Higher amplitude radio frequency current during absorption
Dependence on photon degeneracy and energy
Abstract
In optical pumping of rubidium, a new kind of absorption occurs with a higher amplitude of radio frequency current. From measurement of the corresponding magnetic field value where this absorption occurs, there is a conclusion that it is multi-photon absorption. Both the degeneracy and energy of photons contribute to the intensity.
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Taxonomy
TopicsQuantum Information and Cryptography · Nonlinear Optical Materials Studies · Quantum optics and atomic interactions