Dynamics of counterpropagating pulses in photonic crystals: enhancement and suppression of stimulated emission processes.
Phys Rev E Stat Nonlin Soft Matter Phys
; 67(3 Pt 2): 036617, 2003 Mar.
Article
en En
| MEDLINE
| ID: mdl-12689189
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.
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01-internacional
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MEDLINE
Idioma:
En
Revista:
Phys Rev E Stat Nonlin Soft Matter Phys
Asunto de la revista:
BIOFISICA
/
FISIOLOGIA
Año:
2003
Tipo del documento:
Article
País de afiliación:
Italia