Electrically Controllable Polarization Element

Chih Jen Yu*, Cheng Min Hsieh

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

6 Scopus citations

Abstract

This letter proposes an optical setup that is equivalent to an electrically controllable polarization element (ECPE). The principal axis of the ECPE can be changed by applying an electric signal on an electro-optic device of this setup. This ECPE can be applied for rotating a linear polarizer or a linear phase retarder with arbitrary phase retardation and can be operated at much higher rotation speed than the mechanical rotation. In contrast, the typical rotation speed of a mechanically rotating polarization element is ∼ 100 Hz. The highest rotation speed of the ECPE is determined by the highest modulation frequency at which an electro-optic device can be correctly operated, which can range across several hertz to 300 kHz.

Original languageEnglish
Article number7372414
Pages (from-to)1229-1232
Number of pages4
JournalIEEE Photonics Technology Letters
Volume28
Issue number11
DOIs
StatePublished - 01 06 2016

Bibliographical note

Publisher Copyright:
© 2016 IEEE.

Keywords

  • Electro-optic devices
  • optical modulation
  • optical polarization

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