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Optoelectronics Letters, Volume. 8, Issue 1, 17(2012)

Design of ultra-compact wavelength splitter based on lithium niobate nanowire optical waveguides

Ming CHEN1、* and Zi-chen LIU2
Author Affiliations
  • 1School of Electronics Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, China
  • 2Wuhan Research Institute of Posts and Telecommunications, Wuhan 430074, China
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    A wavelength splitter with ultra-compact and simple structure is proposed and analyzed by using both plane wave expansion (PWE) method and finite difference time domain (FDTD) method. The device is based on directional coupling between two parallel lithium niobate (LiNbO3, LN) nanowire optical waveguides. The wavelength splitter with a coupling region length of 5 μm can separate 1.31 μm and 1.55 μm wavelengths for corresponding outputs with transmittance higher than 97%.

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    CHEN Ming, LIU Zi-chen. Design of ultra-compact wavelength splitter based on lithium niobate nanowire optical waveguides[J]. Optoelectronics Letters, 2012, 8(1): 17

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    Paper Information

    Received: Sep. 5, 2011

    Accepted: --

    Published Online: Jul. 12, 2017

    The Author Email: Ming CHEN (chenming5628@ sina.com)

    DOI:10.1007/s11801-012-1119-y

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology