Spectral Hole-Burning and Related Spectroscopies: Science and Applications
Microwave-Induced Hole Burning of the 638 Nm Zero-Phonon Transition and Frequency-Dependent Dephasing of the N-V Center in Diamond
Max Glasbeek, Eric van Oort
Abstract
In recent years the microscopic description of inhomogeneous broadening of electronic transitions of chromophores in crystals and glasses has attracted much interest [1–3]. In the phenomenological model proposed by Selzer [1], it is assumed that the energies of the initial and final states involved in the optical transition exhibit a one-to-one correlation. In an alternative approach by Lee et al [2], the two states are considered as completely uncorrelated. Very recently, a more general microscopic theory has been presented by Laird and Skinner [3]. In the latter theory the aforementioned models are obtained as limiting cases. So far relatively few experiments have been reported which focus on the origin of inhomogeneous broadening.