WebSep 27, 2009 · We demonstrate theoretically that Li atoms can be transferred to states of a lower principal quantum number by exposing them to a frequency chirped microwave pulse. The population transfer of Li atoms from the n = 75 state to n = 70 with more than 90% efficiency is achieved by means of the sequential single-photon Δn = –1 transitions. The … WebMay 13, 2015 · cannot be switched off. A combination of frequency chirps is used with resonant fields, allowing to achieve approximate destructive interference, despite of the fact that an exact dark state does not exist. This new chirped STIRAP protocol is tailored for applications to artificial atoms, where architectures
Coherent Control of Population Transfer in Li Atoms via Chirped ...
WebMay 13, 2015 · This new chirped STIRAP protocol is tailored for applications to artificial atoms, where architectures with several elementary units can be strongly coupled but where the possibility of switching on and off such couplings is often very limited. WebMay 1, 2015 · STIRAP is exceptional, because unlike processes that rely on details of Rabi oscillations, if STIRAP works for the weakest transition in the sum then it works for all cases. The discussion in the Appendix relates to the evaluation of the Rabi frequency of W ( e ; t ) for individual magnetic sublevels of the degenerate ground vibration level of ... headphones oculus
Chirruped - definition of chirruped by The Free Dictionary
Webverb. ˈchərp. chirped; chirping; chirps. Synonyms of chirp. 1. intransitive : to make a chirp or a sound resembling a chirp. chirping birds. … he had listened many times to the … WebMay 26, 2006 · 56% in the fixed scheme to 89% in the chirped scheme 兲 can indeed be accomplished by compensating nonlinear phase shifts through proper laser frequency chirping according to Stimulated Raman adiabatic passage (STIRAP) is a process that permits transfer of a population between two applicable quantum states via at least two coherent electromagnetic (light) pulses. These light pulses drive the transitions of the three level Ʌ atom or multilevel system. The process is a form of state-to-state coherent control. gold stained glass