• DocumentCode
    1779397
  • Title

    Low-voltage optical phase modulation by electric-field-induced phase transition of KTN bulk crystal

  • Author

    Inagaki, Takahiro ; Imai, Tadayuki ; Miyazu, Jun ; Takesue, Hiroki ; Kobayashi, Junya

  • Author_Institution
    NTT Basic Res. Labs., NTT Corp., Atsugi, Japan
  • fYear
    2014
  • fDate
    12-16 Oct. 2014
  • Firstpage
    390
  • Lastpage
    391
  • Abstract
    We report a low-voltage optical phase modulation that employs the electric-field-induced paraelectric-ferroelectric phase transition of KTN crystal. A large refractive-index change occurs within a narrow applied-voltage range as a result of structural changes in the crystal. We reduced the half-wave voltage to 2.1 Vp-p, which is very small for a 1-mm-thick bulk crystal.
  • Keywords
    ferroelectric materials; ferroelectric transitions; optical modulation; phase modulation; potassium compounds; refractive index; KTN bulk crystal; KTa1-xNbxO3; electric-field-induced phase transition; low-voltage optical phase modulation; paraelectric-ferroelectric phase transition; refractive-index change; structural changes; voltage 2.1 V; Biomedical optical imaging; Crystals; Optical modulation; Optical polarization; Optical refraction; Optical variables control; Optical variables measurement;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Photonics Conference (IPC), 2014 IEEE
  • Conference_Location
    San Diego, CA
  • Type

    conf

  • DOI
    10.1109/IPCon.2014.6995412
  • Filename
    6995412
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=1779397