Dynamics of counterpropagating pulses in photonic crystals: Enhancement and suppression of stimulated emission processes
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Author/Creator ORCID
Date
2003-03-25
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Citation of Original Publication
Centini, M.; et al.; Dynamics of counterpropagating pulses in photonic crystals: Enhancement and suppression of stimulated emission processes; Physical Review E 67, 036617 (2003); https://journals.aps.org/pre/abstract/10.1103/PhysRevE.67.036617
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Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
Public Domain Mark 1.0
This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
Subjects
Abstract
Using numerical methods, we study the propagation of counterpropagating pulses in finite photonic crystals. We show that linear interference and localization effects combine to either enhance or suppress stimulated emission processes, depending on the initial phase difference between the input pulses. We consider the example of second harmonic generation, where we find a maximum contrast of three orders of magnitude in nonlinear conversion efficiency as a function of the input phase difference between incident pulses. We interpret these results by viewing the photonic crystal as an open cavity, with a field-dependent, electromagnetic density of modes sensitive to initial and boundary conditions.