PMID: 15244606Jul 13, 2004Paper

Tunable photonic defect modes in a cholesteric liquid crystal induced by optical deformation of helix

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Tatsunosuke MatsuiKatsumi Yoshino

Abstract

We have demonstrated, based on numerical analyses, that the introduction and tuning of photonic defect modes in a cholesteric liquid crystal (CLC) can be realized by the local deformation of its one-dimensional periodic helical structure. The defect modes appear in transmission spectra only when incident circularly polarized light has the same handedness as CLC's. The tuning of defect modes position can be performed upon both local elongation and shortening of the helix; however, the direction of the shift of the defect mode wavelength is opposite. By controlling the degree of the deformation of helix, a continuous shift of the defect modes can be realized. Our results will open the way for the optical introduction and tuning of defect modes in CLC's.

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Citations

Aug 11, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Jiun-Yeu Chen, Lien-Wen Chen
Feb 3, 2016·Applied Optics·T H DudokYu A Nastishin
Dec 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Ivan V TimofeevVictor Ya Zyryanov
May 20, 2018·Physical Review. E·Maxim V PyatnovIvan V Timofeev
Oct 13, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·A H Gevorgyan, M Z Harutyunyan
Mar 10, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Ivan V TimofeevVictor Ya Zyryanov
Oct 15, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Stepan Ya VetrovIvan V Timofeev
Jan 15, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·R R da SilvaI N de Oliveira
Apr 7, 2010·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·E M NascimentoI N de Oliveira
Mar 17, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·A H Gevorgyan

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