By L. Dalton (auth.), A. Driessen (eds.)
Nonlinear optical phenomena may be exploited in complex units for delivery, processing, and garage of data. those are wanted because the present-day process - in general utilizing on electron-based expertise - faces the demanding situations of accelerating call for on bandwidth and processing pace. A key function within the improvement of nonlinear units is the supply of novel fabrics with the necessary nonlinear optical houses. With such fabrics, clinical creativity and cautious layout, promising options were built leading to the demonstration of units.
This publication comprises the complaints of NOIS 2000 (Nonlinear Optics for the knowledge Society) Annual assembly of the price motion P2, held on the college of Twente, in Enschede, The Netherlands, on 26-27 October, 2000. It contains a variety of the shows on the assembly, reporting cutting-edge examine and advancements within the box of functions of nonlinear phenomena in details technology.
Read Online or Download Nonlinear Optics for the Information Society: Proceedings of the Third Annual Meeting of the COST Action P2, held in Enschede, The Netherlands, 26–27 October 2000 PDF
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Additional info for Nonlinear Optics for the Information Society: Proceedings of the Third Annual Meeting of the COST Action P2, held in Enschede, The Netherlands, 26–27 October 2000
Sample text
In optical cornmunications, much higher efficiencies and therefore higher pump power levels are required. 8dB accompanied by an arnplification ofthe signal wave of +2dB. Theory even predicts a gain of + 14dB in a 80rnm long "cascaded" OPA at the same power level; in a "direct" converter the gain should grow up to + 19dB. The x(2)-nonlinear processes are extremely fast paving the way to all-optical switching. This was demonstrated using a harrnonically modelocked Ti:Er:LiNb03 waveguide laser [4] as fundamental source (Af= 1561nm) for "cascaded" DFG/OPA.
Schreiber, C. Haase, H. Hemnann, W. Grundkötter, R. Ricken, and W. Sohler; Opt. LeU. 24 (1999) 896 D. Hofmann, H. Hemnann, G. Schreiber, C. Haase, W. Grundkötter, R. Ricken, W. Sohler; Proc. NLGW'99, Dijon, p. 465 (invited) G. Schreiber, K. Rochhausen, R. Ricken, and W. Sohler; Proc. LASER '99, Munich, p. LUCCHETTI Dipartimento di Fisica e Ingegneria dei Materiali edel Territorio e INFM, Universita di Ancona Via Brecce Bianche, 60131 Ancona, Italy Abstract An account of the most relevant phenomena leading to the enhancement of the nonlinear optical response of liquid crystals is reported.
Tbe achievement and control of such a huge nonlinear response is obviously of great interest for applications since it may really give rise to a new technology for Spatial Light Modulators for wavefront correction and image processing. An example of such application has been recently given by Khoo and coworker 18 • While the present technology exploits the liquid crystal valve (LCV), namely an artificial nonlinear medium with sensitivity in the range ofmW/cm2 and spatial resolution limited to 30-40 lines/mm, with these materials the same sensitivity can be obtained with rnuch higher spatial resolution (> 1000 lines/mm) and with a very simple technological architecture.