Magnetic-field tunable multichannel filter in a plasma photonic crystal at microwave frequencies

Tsung Wen Chang, Jia Ren Chang Chien, Chien Jang Wu

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    The microwave magnetic-field tunable filtering properties in a multichannel filter based on use of a one-dimensional finite magnetized plasma photonic crystal (PPC) are theoretically investigated. The considered PPC has a structure of air/(AB)N/air, where A is a dielectric layer, B is a plasma layer, and N is the stack number. First, in the absence of an externally applied magnetic field, the structure can work as a multichannel filter whose channel number is equal to N - 1 for N > 1. Next, in the presence of an externally applied field, the filtering properties become tunable, i.e., the channel frequencies can be shifted as a function of the applied magnetic field. We find that the effect of the magnetic field will cause the channel frequencies to be blue-shifted or red-shifted depending on the orientation of the applied magnetic field.

    Original languageEnglish
    Pages (from-to)943-946
    Number of pages4
    JournalApplied Optics
    Volume55
    Issue number4
    DOIs
    Publication statusPublished - 2016 Feb 1

    Fingerprint

    microwave frequencies
    photonics
    filters
    magnetic fields
    crystals
    plasma layers
    air
    microwaves
    causes

    ASJC Scopus subject areas

    • Atomic and Molecular Physics, and Optics

    Cite this

    Magnetic-field tunable multichannel filter in a plasma photonic crystal at microwave frequencies. / Chang, Tsung Wen; Chien, Jia Ren Chang; Wu, Chien Jang.

    In: Applied Optics, Vol. 55, No. 4, 01.02.2016, p. 943-946.

    Research output: Contribution to journalArticle

    Chang, Tsung Wen ; Chien, Jia Ren Chang ; Wu, Chien Jang. / Magnetic-field tunable multichannel filter in a plasma photonic crystal at microwave frequencies. In: Applied Optics. 2016 ; Vol. 55, No. 4. pp. 943-946.
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