Total dephasing–rephasing balancing in Stark-pulse-modulated photon echoes

Abstract

Using Stark-pulse-modulated photon echoes, we observe a novel type of rephasing phenomenon in a Eu(3+) - and Pr(3+) -codoped Y(2)SiO(5) crystal. By adjusting the Stark pulse during the rephasing and dephasing periods one can observe a full recovery of the photon echo, corresponding to perfect dephasing-rephasing balancing of the perturbations. We propose to use this effect as a spectroscopic technique to distinguish between reversible and irreversible Stark interactions.

Incorporating excitation-induced dephasing into the Maxwell–Bloch numerical modeling of photon echoes

“…Fortunately, since signal strengths also die rapidly with T 1 and times of interest are usually 5T 1 ; this is often not an issue. However, some two-species experiments have been performed with photon echoes generated on a long T 1 ion species or site, and scrambler pulses on a second (but spatially co-located) species of much shorter T 1 [19,44]. In such a situation, our model would not predict the results accurately.…”

Electric control of collective atomic coherence in an erbium-doped solid

“…The frequency of the atoms can then be controlled with a moderate external electric field. This effect has been used in Stark-switched optical free induction decay [11,12,13] and in Stark modulated photon echoes [14,15,16,17,18] as a tool for high resolution spectroscopy. The electric control of the resonance frequency of the atoms is also the key resource of a recently proposed modified photon echo protocol based on controlled and reversible inhomogeneous broadening (CRIB) [2,19,20,21,22].…”