Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/7511
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Coupled-mode theory for photonic band-gap inhibition of spatial instabilities |
Autor: | Gomila, Damià CSIC ORCID ; Oppo, Gian-Luca | Palabras clave: | Coupled mode analysis Photonic crystals Pattern formation Optical parametric oscillators Nonlinear optics |
Fecha de publicación: | 18-jul-2005 | Editor: | American Physical Society | Citación: | Physical Review E 72, 016614 (2005) | Resumen: | We study the inhibition of pattern formation in nonlinear optical systems using intracavity photonic crystals. We consider mean-field models for singly and doubly degenerate optical parametric oscillators. Analytical expressions for the new (higher) modulational thresholds and the size of the band gap as a function of the system and photonic crystal parameters are obtained via a coupled-mode theory. Then, by means of a nonlinear analysis, we derive amplitude equations for the unstable modes and find the stationary solutions above threshold. The form of the unstable mode is different in the lower and upper parts of the band gap. In each part there is bistability between two spatially shifted patterns. In large systems stable wall defects between the two solutions are formed and we provide analytical expressions for their shape. The analytical results are favorably compared with results obtained from the full system equations. Inhibition of pattern formation can be used to spatially control signal generation in the transverse plane. | Descripción: | 8 pages, 8 figures.-- PACS nrs.: 42.65.Sf, 89.75.Kd, 05.65.+b, 42.70.Qs.-- ArXiv pre-print available: http://arxiv.org/abs/nlin/0503065v1 | Versión del editor: | http://dx.doi.org/10.1103/PhysRevE.72.016614 | URI: | http://hdl.handle.net/10261/7511 | DOI: | 10.1103/PhysRevE.72.016614 | ISSN: | 1539-3755 |
Aparece en las colecciones: | (IFISC) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
PRE_72_016614.pdf | 409,73 kB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
25
checked on 06-abr-2024
WEB OF SCIENCETM
Citations
22
checked on 24-feb-2024
Page view(s)
413
checked on 16-abr-2024
Download(s)
315
checked on 16-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.