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Integrated optical AOTF technology for OADM systems

Author: ZhouYu
Tutor: LiuYongZhi
School: University of Electronic Science and Technology
Course: Optical Engineering
Keywords: OADM Tunable AOTF Proton exchange lithium niobate waveguides Finite difference beam propagation method Interdigital transducer
CLC: TN713
Type: Master's thesis
Year: 2003
Downloads: 112
Quote: 0
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Abstract


With the development of WDM optical communication network , new types of optical add-drop multiplexing (OADM) devices have been more and more attention ? Integrated optical tunable acousto-optic filter (IAOTF) its ease of integration ? Flexible up and down the road ? wavelength addressing a wide range of advantages ? corresponding fast time is bound to the widely used OADM system ? paper first describes the current situation of the OADM for OADM systems AOTF devices drawbacks, a new structure for traditional integrated optical tunable the the collinear AOTF ( IAOTF ) ? then using proton exchange lithium niobate waveguide collinear acousto-optic interaction model for such devices , the theoretical analysis and numerical calculation , to prove its performance is superior to the traditional waveguide depth ? role of sound and light distance ? sonic center frequency and other important parameters of the AOTF devices and devices ? then proposed an improved finite difference beam propagation method (FD_BPM) algorithm , using this algorithm waveguide devices required optimize simulation , according to the value of these optimizations designed lithography template ? theoretical analysis of sound and light interdigital transducer (IDT) , and by calculating the IDT finger width ? refers to the number of parameters ? papers on device fabrication materials process , summed up the experience of of experience in the production process ? in the last part of the paper focuses on the integrated optical tunable acousto-optic filter (IAOTF) in various stages of production test program design and discussion and the completion of some of the test work program and resolve problems that may arise for the unfinished part ?

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Filtering techniques,the filter
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