Sol-gel processed inorganic and organically modified composites for nonlinear optics and photonics

Paras N. Prasad

doi:10.1117/12.22556

1 November 1990 Sol-gel processed inorganic and organically modified composites for nonlinear optics and photonics

Paras N. Prasad

Proceedings Volume 1328, Sol-Gel Optics; (1990) https://doi.org/10.1117/12.22556
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The newly emerging field of Nonlinear Optics and Photonics offers tremendous opportunities for optical engineers and materials scientists. The approach used for sol-gel optics i.e. the use of sol-gel processing can play a very important role for the development of novel materials and device structures for nonlinear optics and photonics. In this paper, chemical processing using the sol-gel method is reported for preparation of new composite materials of both a silica glass and a V2O gel with a ii conjugated polymer poly-p-phenylene vinylene up to 50% by weight. The omposite films show highly improved optical quality with large third-order nonlinear optical coefficient, the latter derived from the conjugated polymer. Optical waveguiding through the film has been achieved. Nonlinear optical studies using femtosecond degenerate four wave mixing, optical Kerr gate switching and power dependent waveguide coupling have been successfully performed. Also, to investigate the use of such films for optical recording, a two dimensional grating structure has successfully been produced.

Citation Download Citation

Paras N. Prasad "Sol-gel processed inorganic and organically modified composites for nonlinear optics and photonics", Proc. SPIE 1328, Sol-Gel Optics, (1 November 1990); https://doi.org/10.1117/12.22556

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