Optical waveguides can be conveniently written in photorefractive materials by using spatial solitons. We have generated bright spatial solitons inside lithium niobate which allow single-mode light propagation. Efficient waveguides have been generated with CW light powers as high as few microwatts. According to the soliton formation, waveguides can be formed with different shapes. Due to the slow response time of the lithium niobate, both for soliton formation and relaxation, the soliton waveguide remains memorised for a long time, of the order of months.
Writing single-mode waveguides in lithium niobate by ultralow-intensity solitons / Fazio, Eugenio; W., Ramadan; A., Petris; M., Chauved; V. I., Vlad; A., Bosco; Bertolotti, Mario. - In: APPLIED SURFACE SCIENCE. - ISSN 0169-4332. - STAMPA. - 248(2005), pp. 97-102.
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Titolo: | Writing single-mode waveguides in lithium niobate by ultralow-intensity solitons |
Autori: | |
Data di pubblicazione: | 2005 |
Rivista: | |
Citazione: | Writing single-mode waveguides in lithium niobate by ultralow-intensity solitons / Fazio, Eugenio; W., Ramadan; A., Petris; M., Chauved; V. I., Vlad; A., Bosco; Bertolotti, Mario. - In: APPLIED SURFACE SCIENCE. - ISSN 0169-4332. - STAMPA. - 248(2005), pp. 97-102. |
Handle: | http://hdl.handle.net/11573/240002 |
Appartiene alla tipologia: | 01a Articolo in rivista |