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ICOP & ICPET 2018, 24 - : 601-604 Back to browse issues page
Design and simulation of Core and Cladding Layers for Polymeric Electro-Optic Modulator
Samaneh Hamedi * 1, Omid Reza Daneshmandi 2
1- Shiraz University of Technology
Abstract:   (103 Views)
In this paper the thickness of core and cladding layers to fabricate a polymer Electro-Optic waveguide modulator is designed and simulated. To simulate the various parameters of this introduced modulator the beam propagation method (BPM) is used. The enough thickness of the core layer is chosen to fabricate the waveguide in depth of the film. The thickness of top and bottom cladding layers is adjusted to reduce the optical loss arising from absorption loss in the metal electrode and the high refractive index of the substrate. By this adjustment the modulation efficiency will be increased. The cladding layers thickness is defined as coupling 980nm laser light with TM polarization into the waveguide that about 10 percent of the peak value of the evanescent field of the fundamental mode extends into cladding layers. A Si substrate coated with SiO2 in a thickness of 400nm is used. For a core layer with refractive index of 1.63 and thickness of 3mm, the thickness of bottom and top cladding layers with refractive index of 1.51 are designed to be 1mm and 1.5mm respectively.  
Keywords: modulator, waveguide, refractive index, electro-optic
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Type of Study: Research | Subject: Special
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Hamedi S, Daneshmandi O R. Design and simulation of Core and Cladding Layers for Polymeric Electro-Optic Modulator . ICOP & ICPET. 2018; 24 :601-604
URL: http://opsi.ir/article-1-1479-en.html

Volume 24 - Back to browse issues page
انجمن اپتیک و فوتونیک ایران Optics and Photonics Society of Iran
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