Polydiacetylene as an all-optical picosecond switch

Hossin Ahmed Abdeldayem; Donald O. Frazier; Mark Steven Paley

doi:10.1117/12.448255

13 November 2001 Polydiacetylene as an all-optical picosecond switch

Hossin Ahmed Abdeldayem, Donald O. Frazier, Mark Steven Paley

Proceedings Volume 4458, Solar and Switching Materials; (2001) https://doi.org/10.1117/12.448255
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Polydiacetylene derivative of 2-methyl-4-nitroaniline (PDAMNA) shows a picosecond switching property, which illustrated a partial all-optical picosecond NAND logic gate. The switching phenomenon was demonstrated by waveguiding two collinear beams at 633 nm and 532 nm through a hollow fiber of 50 micrometers diameter, coated from inside with a thin film of PDAMNA. A Z-scan investigation of a PDAMNA thin film on quartz substrate revealed that the switching effect was attributed to an excited state absorption in the systems. The studies also showed that the polymer suffers a photo-oxidation beyond an intensity level of 2.9x10⁶ w/cm². The photo-oxidized film has different physical properties that are different from the original film before oxidation. The lifetime of both excited states before and after oxidation as well as their absorption coefficients were estimated by fitting a three level system model to the experimental results.

Citation Download Citation

Hossin Ahmed Abdeldayem, Donald O. Frazier, and Mark Steven Paley "Polydiacetylene as an all-optical picosecond switch", Proc. SPIE 4458, Solar and Switching Materials, (13 November 2001); https://doi.org/10.1117/12.448255

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