Nanocrystal composite thin films produced by pulsed laser deposition for nonlinear optical applications

Carmen N. Afonso Rodriguez; R. Serna; J. M. Ballesteros; J. Solis; A. K. Petford-Long; R. C. Doole

doi:10.1117/12.308598

26 May 1998 Nanocrystal composite thin films produced by pulsed laser deposition for nonlinear optical applications

Carmen N. Afonso Rodriguez, R. Serna, J. M. Ballesteros, J. Solis, A. K. Petford-Long, R. C. Doole

Proceedings Volume 3404, ALT'97 International Conference on Laser Surface Processing; (1998) https://doi.org/10.1117/12.308598
Event: ALT '97 International Conference on Laser Surface Processing, 1997, Limoges, France

Abstract

This paper presents recent results on the synthesis by pulsed laser deposition (PLD) and optical properties of composite thin films consisting of metallic nanocrystals embedded in an amorphous host. The films are grown by alternate ablation of the metal and host targets in vacuum by means of an ArF laser. The results show that PLD is a very promising technique for producing these materials with nanocrystals of controlled size and in-depth distribution. The analysis of the structure of the films as a function of the number of laser pulses in the metal target allow us to discuss the nanocrystals growth mechanism. A survey of works reporting the synthesis of similar films with metallic nanocrystals embedded in an insulator host and exhibiting third order optical nonlinearities is included, which evidences that the films grown by PLD have excellent properties for waveguide applications.

Citation Download Citation

Carmen N. Afonso Rodriguez, R. Serna, J. M. Ballesteros, J. Solis, A. K. Petford-Long, and R. C. Doole "Nanocrystal composite thin films produced by pulsed laser deposition for nonlinear optical applications", Proc. SPIE 3404, ALT'97 International Conference on Laser Surface Processing, (26 May 1998); https://doi.org/10.1117/12.308598

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