Two-photon-absorption-induced photochromic reactions in spirobenzopyran-doped PMMA waveguides

Ilkan Cokgor; Ram Piyaket; Sadik C. Esener; Alexander S. Dvornikov; Peter M. Rentzepis

doi:10.1117/12.348386

18 May 1999 Two-photon-absorption-induced photochromic reactions in spirobenzopyran-doped PMMA waveguides

Ilkan Cokgor, Ram Piyaket, Sadik C. Esener, Alexander S. Dvornikov, Peter M. Rentzepis

Proceedings Volume 3623, Organic Photonic Materials and Devices; (1999) https://doi.org/10.1117/12.348386
Event: Optoelectronics '99 - Integrated Optoelectronic Devices, 1999, San Jose, CA, United States

Abstract

Multimode spirobenzopyran (SP) doped PMMA channel waveguides have been fabricated and one- and two-photon absorption induced photochromic reactions have been demonstrated in these waveguides. Bleaching of SP was performed by coupling a 0.75-mW, 543nm beam into these guides. Two-photon absorption based coloring was demonstrated using two counterpropagating pulses, one at 1064 nm and the other at 532 nm. We measured the coupling efficiency to be 0.168, which gave intensities inside the guide of 10.494 GW/cm² and 7.765 GW/cm² for the IR and the green beams, respectively. The ability to shift the colored spot via pulse delay in the counterpropagating pulse scheme was also demonstrated by moving a colored spot by approximately 30 micrometers . Finally, two-photon induced fluorescence was observed by exciting the waveguide with a single 1064-nm beam at an intensity of approximately 10 GW/cm².

Citation Download Citation

Ilkan Cokgor, Ram Piyaket, Sadik C. Esener, Alexander S. Dvornikov, and Peter M. Rentzepis "Two-photon-absorption-induced photochromic reactions in spirobenzopyran-doped PMMA waveguides", Proc. SPIE 3623, Organic Photonic Materials and Devices, (18 May 1999); https://doi.org/10.1117/12.348386

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