Exploring the impacts of long-period corrugation and phase gratings on a cascade of phase-shifted lithium niobate waveguides with the combined theoretical and experimental approaches

Ricky W. Chuang, Yu Chun Huang, Yao Jen Lee

研究成果: Conference contribution

摘要

Highly reliable and low-cost long-period corrugation and phase gratings based on a cascade of phase-shifted lithium niobate waveguides are theoretically analyzed, experimentally realized and characterized in a logical sequence. The realization of these phase-shifted waveguide gratings (LPWG) is subsequently achieved via a two-step proton exchange method. The measurement results have demonstrated that the maximum dip contrast is up to 19.73 dB and the narrowest full-width-at-half-maximum (FWHM) is close to 2.34 nm. Furthermore, for the cascaded pi-phase-shifted long-period waveguide gratings (LPWG), the two resonance wavelengths are symmetrically shifted away from the center wavelength in response to an increase in the number of LPWG sections incorporated.

原文English
主出版物標題Physics and Simulation of Optoelectronic Devices XXVII
編輯Marek Osinski, Yasuhiko Arakawa, Bernd Witzigmann
發行者SPIE
ISBN(電子)9781510624665
DOIs
出版狀態Published - 2019
事件Physics and Simulation of Optoelectronic Devices XXVII 2019 - San Francisco, United States
持續時間: 2019 二月 52019 二月 7

出版系列

名字Proceedings of SPIE - The International Society for Optical Engineering
10912
ISSN(列印)0277-786X
ISSN(電子)1996-756X

Conference

ConferencePhysics and Simulation of Optoelectronic Devices XXVII 2019
國家United States
城市San Francisco
期間19-02-0519-02-07

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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