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|Title:||Spectral broadening of a single-photon transition in the evanescent field of an exposed-core fiber|
|Citation:||Physical Review Applied, 2019; 11(5):1-8|
|Publisher:||American Physical Society|
|H.P. Griesser, C. Perrella, P.S. Light and A.N. Luiten|
|Abstract:||We theoretically and experimentally examine the spectroscopy of warm atoms traversing the evanescent field of a guided mode in silica glass. The subwavelength scale of the evanescent field leads to a large spectral broadening dominated by transit-time dephasing, creating a lineshape quite different from that of atoms in free space, and also distinct from that arising from transit-time-limited interactions in a field with a Gaussian intensity profile. We show reasonable agreement between our modeling of this scenario and experimental D2-line spectra obtained from an exposed-core fiber immersed in rubidium vapor.|
|Rights:||© 2019 American Physical Society|
|Appears in Collections:||Physics publications|
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