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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2010-06-22
Analysis of Terahertz-Induced Optical Phase Modulation in a Nonlinear Dielectric Slab
By
Zahra Ghattan,

    Dr. Zahra Ghattan

    Department of Electrical and Computer Engineering

    University of Tehran

    Iran

    Homepage

Seyed Amin Izadi,

    Dr. Seyed Amin Izadi

    School of Electrical Engineering

    Sharif University of Technology

    Iran

    Homepage

Mahmoud Shahabadi

    Dr. Mahmoud Shahabadi

    School of Electrical and Computer Engineering

    University of Tehran

    Iran

    Homepage

Progress In Electromagnetics Research M, Vol. 13, 41-51, 2010
doi:10.2528/PIERM10041407 | Google Scholar

Abstract
Frequency shift of the spectrum of an incident optical pulse by an intense THz pulse inducing cross-phase modulation (XPM) in a nonlinear dielectric slab is analyzed. The effect is predicted with a high degree of accuracy using the well-known transmission line matrix (TLM) technique. In this research, to model the THzinduced temporal and spatial variation of the dielectric permittivity of the nonlinear dielectric slab, the transmission lines of the TLM method are loaded with open shunt stubs. The parameters of the stubs are modified in accordance with the refractive index variation of the dielectric slab, here ZnTe, induced by the strong THz pulse. The obtained numerical results are verified with a recently reported experimental work.
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Citation
Zahra Ghattan, Seyed Amin Izadi, and Mahmoud Shahabadi, "Analysis of Terahertz-Induced Optical Phase Modulation in a Nonlinear Dielectric Slab," Progress In Electromagnetics Research M, Vol. 13, 41-51, 2010.
doi:10.2528/PIERM10041407
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