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ICOP & ICPET 2014, 20 - : 1469-1472 Back to browse issues page
Improvement of all-optical switching performance based on azo dye-doped polymer film using two pump beams in two step
Zahra Eslami Mrs. * 1, Hossein Mehrzad Mr.1, Ezeddin Mohajerani Dr.1
1- Shahid Beheshti University
Abstract:   (3266 Views)

Pumping poly methyl methacrylate (PMMA) films doped with azobenzene chromophore Disperse Red 1 (DR1) with two pump beams in two step, all-optical switching effects with very low background and high stability are demonstrated. For comparison, we used respectively the single linearly polarized beam (9 mW),linear–circular polarized beams (9mW and 4.9 mW) and two cross-linearly polarized beams (9 mW and 3.3 mW) to pump the film. High frequency switching is obtained, Because the experimental measurement and analysis showed that the turn off speed of the all-optical switching could be obviously increased by use of two pump beam method.

Keywords: All-optical switching, Azo dye, poly methyl methacrylate (PMMA) films, two pump beams
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Type of Study: Research | Subject: Special
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eslami Z, Mehrzad H, mohajerani E. Improvement of all-optical switching performance based on azo dye-doped polymer film using two pump beams in two step. ICOP & ICPET. 2014; 20 :1469-1472
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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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