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ICOP & ICPET 2014, 20 - : 881-884 Back to browse issues page
Optical transmission enhancement through a nanoslit with a single nanoantenna cavity
Marzieh Asadnia Fard Jahromi Miss. * 1, Hamid Reza Zangeneh Dr.1
1- University of Kashan
Abstract:   (2371 Views)
- We have numerically showed that the extraordinary optical transmission of light through a vertical nanoslit in a metal film can be enhanced by replacing the slit with an array of slits. A nanoantenna cavity is formed by a nearby metallic nano-strip over the nano-slits. Using finite difference time domain (FDTD) method, we have studied the transmission properties of the proposed structure. It is shown that in a well chosen geometric condition the optimized cavity antenna can enhance greatly the transmission of light through a lateral nano-slit (about 5.3 times). The transmission spectrum of the structure can be tuned by adjusting the size or the distance between the lateral nano-slits as well. Such structure has promising applications in designing optical nano-scale devices.
Keywords: plasmonic waves, integrated optics, waveguide.
Full-Text [PDF 421 kb]   (673 Downloads)    
Type of Study: Research | Subject: Special
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Asadnia Fard Jahromi M, Zangeneh H R. Optical transmission enhancement through a nanoslit with a single nanoantenna cavity. ICOP & ICPET. 2014; 20 :881-884
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انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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