Theoretical analysis of optical mode deflection in lithium niobate waveguide with serrated array electrodes

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• 作者：Yuan Wang ; Zhe Chen ; Suxu Zhou ; Jianhui Yu ; Yingxin Zeng…
• 关键词：Lithium niobate waveguide ; Serrated array electrodes ; Mode deflection
• 刊名：Optical and Quantum Electronics
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：48
• 期：2
• 全文大小：1,707 KB
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• 作者单位：Yuan Wang (1) (2)
  Zhe Chen (1) (2)
  Suxu Zhou (1) (2)
  Jianhui Yu (1) (2)
  Yingxin Zeng (1) (2)
  Yunhan Luo (1) (2)
  Jun Zhang (1) (2)
  Jieyuan Tang (1) (2)
  Heyuan Guan (1) (2)
  Huihui Lu (1) (2)
  
  1. Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Educational Institutes, Jinan University, Guangzhou, 510632, China
  2. Department of Optoelectronic Engineering, Jinan University, Guangzhou, 510632, China
  
• 刊物主题：Optics, Optoelectronics, Plasmonics and Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks;
• 出版者：Springer US
• ISSN：1572-817X

文摘

In this paper, we establish a lithium niobate (LN) thin film planar waveguide and an annealed proton exchange (APE) waveguide model with serrated array electrodes configuration to deflect and reshape the optical mode. The refractive index profile of the waveguide can be electro-optically manipulated by applying an external voltage into the serrated array electrodes. Through the simulation results, it is observed that different refractive index manipulation of LN waveguide can make the optical beam have different deflection and reshaping. The comparison between the thin film and APE bulk planar waveguide is investigated. When the beam deflection is modulated via the high-speed electro-optic effect of LN, the temporal and spatial beam smoothing can be achieved for the application of high power laser system and other optical signal processing.