Short-pulse population inversion and transmittance
Journal Article
·
· Physical Review A; (United States)
- Chemistry Department, Brookhaven National Laboratory, Upton, New York 11973-5000 (United States)
The maximal population transfer in a two-level system induced by an ultrashort, linearly polarized laser pulse and the optimal pulse shape for maximal population transfer depend critically on the pulse duration and phase. In the case of temporally symmetric pulses, half-cycle pulses are optimal and are capable of inverting the population completely. For antisymmetric pulses, bimodal pulses are optimal but cannot invert the population completely. Deviations from the Rabi formula for the pulse parameters do not occur until the pulses become shorter than a few optical cycles.
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 6866149
- Journal Information:
- Physical Review A; (United States), Journal Name: Physical Review A; (United States) Vol. 51:2; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
426002* -- Engineering-- Lasers & Masers-- (1990-)
664200 -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
COMPUTERIZED SIMULATION
ELECTROMAGNETIC RADIATION
ENERGY-LEVEL TRANSITIONS
FAR INFRARED RADIATION
INFRARED RADIATION
MOLECULES
OPTICAL PUMPING
PARAMETRIC ANALYSIS
POLARIZATION
POPULATION INVERSION
PULSE RISE TIME
PULSES
PUMPING
RADIATIONS
SIMULATION
TIMING PROPERTIES
426002* -- Engineering-- Lasers & Masers-- (1990-)
664200 -- Spectra of Atoms & Molecules & their Interactions with Photons-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ATOMS
COMPUTERIZED SIMULATION
ELECTROMAGNETIC RADIATION
ENERGY-LEVEL TRANSITIONS
FAR INFRARED RADIATION
INFRARED RADIATION
MOLECULES
OPTICAL PUMPING
PARAMETRIC ANALYSIS
POLARIZATION
POPULATION INVERSION
PULSE RISE TIME
PULSES
PUMPING
RADIATIONS
SIMULATION
TIMING PROPERTIES