Abstract
In this paper, an all-optical bistable switching operation of resonant-tunneling devices with ultra-small photonic crystal cavity was demonstrated. The whole structure was based on a square lattice photonic crystal formed by rods of refractive index nr= 3.4 in an air background. The cavity was surrounded by eight nonlinear rods of refractive index nL0= 3.1 and nonlinear Kerr coefficient n2= 9 × 10–17 W/m2. Nonlinear finite difference time domain method was used to get a bistability hysteresis loop. Next, all-optical wavelength controlled power source (WCPS), hard-limiter and switching operation based on optical nonlinearity were shown. And that small cavity structure has a small length of 12 mm. Considering the numerous applications and small length, this proposed structure has various potential function in all-optical circuits. Keywords
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Mehdi Shirdel received the B.Sc. and M. Sc. degrees (with honors) in 2011 and 2013, respectively, both in electronics engineering from the University of Sistan and Baluchestan. He is currently an Ph.D. student in University of Sistan and Baluchestan. His research interests include: design of ultrafast low-power all-optical integrated circuit, bistable switching by nonlinear photonic crystal, photonic crystal slab waveguide to obtain guided mode with low group velocity.
Mohammad Ali Mansouri-Birjandi received the B.S. degree in electronic engineering from University of Sistan and Baluchestan, Zahedan, Iran, in 1986, the M.S. degree in electronics from the Tehran University, Tehran, Iran, in 1991 and the Ph.D. degree in electronics from the Tarbiat Modares University, Theran, Iran, in 2008. From 1992 to now, he is currently an associate professor of electronics with the Department of Electrical and Electronics Engineering, Faculty of Electrical and Computer, University of Sistan and Baluchestan, Zahedan, Iran. His research interests are phonic crystals, optoelectronic and nanoelectronic devices and integration, as well as the nanophotonic, and plasmonics, research and teaching.
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Shirdel, M., Mansouri-Birjandi, M.A. All-optical bistable switching, hard-limiter and wavelength-controlled power source. Front. Optoelectron. 9, 560–564 (2016). https://doi.org/10.1007/s12200-016-0526-2
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DOI: https://doi.org/10.1007/s12200-016-0526-2