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《液晶與顯示》由中國科學(xué)院長春光學(xué)精密機械與物理研究所、中國物理學(xué)會液晶分會和中國光學(xué)光電子行業(yè)協(xié)會液晶專業(yè)分會主辦,科學(xué)出版社出版。
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地址:長春市東南湖大路3888號 國內(nèi)統(tǒng)一刊號:CN 22-1259/O4
《液晶與顯示》編輯部 國際標準刊號:ISSN1007-2780
郵編:130033 電 話:(0431)6176059
E-mail:yjxs@ciomp.ac.cn 網(wǎng) 址:www.y j yxs.com
Integrated vector sum m icrowave photonic phase shifter based on asymmetric Mach-Zendner structure in SOI
XIAO Yong-chuan,QU Peng-fei,Zh OU Jing-ran,LIU Cai-xia,DONGWei,Ch ENWei-you
(State Key Laboratory on Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin UniVersity,Changchun 130012,China)
An integrated vector sum microwave photonic phase shifter(MWPPS)based on the asymmetric Mach-Zendner structure in Silicon on Insulator(SOI)rib waveguideswas designed and fabricated for the first time.A fixed true time delay of47 pswas achieved by a length difference of3 983μm between the two asymmetric arms.Then two thermo-optical Variable Optical Attenuators(VOAs)were integrated in the two arms respectively to tune the optical power individually.The phase shift ranging from 0°to near 180°for a 10 Gh x microwave signal has been achieved by the RIvariation of0~6×10-3in VOAs.The device which has a very compact sixe could be easily integrated in silicon optoelectronic chips and expected to be widely used in Optically Controlled Phased Array Radars(OCPARs).
phase shifter;microwave photonics;Silicon on Insulator(SOI)
book=418,ebook=102
1674-2915(2011)04-0418-05