3 November 2016 Feedback enhancement of the amplitude of dynamically excited coherent population trapping resonance in Rb vapour
Author Affiliations +
Abstract
This work reports on possibilities of contrast enhancement of dynamically excited coherent population trapping (CPT) resonance in 87Rb vapour arising from application of feedback methods. Controlling the bichromatic pump radiation power through a feedback loop that stabilises Rb atom luminescence when scanning the frequency difference of the bichromatic pump radiation resulted in a more than an order-or-magnitude improvement in the amplitude of the CPT resonance at scanning frequencies over 100 Hz. It is established that the excursion of the pump radiation power controlled by the feedback loop under dynamic excitation is by an order of magnitude smaller than that under quasistationary excitation at scan frequencies < 1 Hz.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Daba Radnatarov, Sergey Khripunov, Sergey Kobtsev, Alexey Taichenachev, Valery Yudin, Maxim Basalaev, Ivan Popkov, Valeriy Andryushkov, Tatiana Steschenko, "Feedback enhancement of the amplitude of dynamically excited coherent population trapping resonance in Rb vapour ", Proc. SPIE 10029, Quantum and Nonlinear Optics IV, 100291K (3 November 2016); doi: 10.1117/12.2247794; https://doi.org/10.1117/12.2247794
PROCEEDINGS
6 PAGES


SHARE
Back to Top