Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"Quantum beating"”.
-
Quantum beating of rubidium: Interference between atomic coherences and long range atom-atom interactions
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
-
Probing weakly bound long-range Rydberg molecules by quantum beating experiments in rubidium vapor
… with low angular momentum and very low principal quantum numbers (7$s$, 8$s$, 5$d$, 6$d$) are observed in a quantum beating experiment for the first time. The experiments are conducted using parametric four-wave mixing (PFWM) in a pump-probe fashion. Fourier analysis of the time-domain data yields …
-
Nonlinear optical processes and the nearest neighbor distribution in rubidium vapor
… are observed, including the observation of quantum beating at pump-probe time delays exceeding 500 ps, quantum beating on the 7s1/2 - 5d3/2 energy defect at 611 cm-1, and the effects of pump pulse chirp on the amplitude and temporal dynamics of quantum beating. Toward the goal of using the …
-
Dynamics of interfering wave packets in rubidium by high resolution quantum beat spectroscopy
High resolution quantum beat spectroscopy has been realized to study atomic wave packet dynamics. Wave packets comprising pairs of low quantum number (n = 5 - 8) electronic states were formed in Rb vapor with ultrafast laser pulses, and their dynamics was observed by an all-optical technique of …
-
Picosecond Time-Resolved Fluorescence Depletion Spectroscopy of Fluorene: IVR in the Excited Electronic State
… stationary behavior at low densities of states, quantum beating at intermediate densities, and fast decay of the initially prepared state at high state densities. The data allow us to assign IVR lifetimes to several vibronic levels of fluorene from 27 picoseconds at 1425 cm$\sp{-1}$ of excess …
-
Investigations of intramolecular dynamics by picosecond time-resolved spectroscopy
… stationary behavior at low state densities, quantum beating at intermediate densities, and fast decays at high state densities. A companion technique, called time resolved stimulated emission pumping (TRSEP), is used to obtain decays for three of the 19 vibronic levels in p-cyclohexylaniline. …
-
Quantum beat observations in rubidium vapor
… within the atom that persist longer than 150 ps. Quantum beats due to the interference between the 7S and 5D_{5/2} energy states were observed by a four-wave mixing process. The difference frequency between the 5D–5P_{3/2} and the 5P_{3/2}–5S transitions was also observed for interpulse delays up …