• DocumentCode
    1112830
  • Title

    Trading coupling loss for modulation efficiency in electrooptic modulators

  • Author

    Marcuse, Dietrich

  • Author_Institution
    AT&T Bell Laboratories, Holmdel, NJ, USA
  • Volume
    23
  • Issue
    3
  • fYear
    1987
  • fDate
    3/1/1987 12:00:00 AM
  • Firstpage
    352
  • Lastpage
    358
  • Abstract
    Phase modulators utilizing the electrooptic effect in Li-NbO3are most efficient if the waveguide, and hence the guided mode, is positioned as closely as possible to the modulation electrode which is located at the surface of the crystal. However, placing the guided wave near the crystal surface tends to deform its shape so that the coupling loss between the waveguide mode and an optical fiber is increased. In this paper, we study the tradeoffs between coupling loss and modulation efficiency that result from moving the waveguide further below the crystal surface.
  • Keywords
    Electrooptic modulation; Optical fiber coupling; Optical strip waveguide couplers; Phase modulation; Electrodes; Electrooptic effects; Electrooptic modulators; Electrooptical waveguides; Optical coupling; Optical surface waves; Optical waveguides; Phase modulation; Shape; Surface waves;
  • fLanguage
    English
  • Journal_Title
    Quantum Electronics, IEEE Journal of
  • Publisher
    ieee
  • ISSN
    0018-9197
  • Type

    jour

  • DOI
    10.1109/JQE.1987.1073348
  • Filename
    1073348
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1112830