Analysis of transmission properties in a photonic quantum well containing superconducting materials

Tsung Wen Chang, Jia Wei Liu, Tzong Jer Yang, Chien Jang Wu

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    9 Citations (Scopus)

    Abstract

    Properties of wave transmission in a photonic quantum well (PQW) structure containing superconducting materials are theoretically investigated. We consider two possible PQW structures, (AB)P(CD)Q(AB)P-asymmetric and (AB)P(CD)Q(BA)P-symmetric, where the host photonic crystal (PC) (AB)P is made of dielectrics, A = SrTiO3t;, B = Al2t;O3t;, and the PQW (CD)Q contains C = A and superconducting layer D = YBa2t;Cu3t;O7-x, a typical high-temperature superconducting thin film. Multiple transmission peaks can be seen within the photonic band gap (PBG) of (AB)P and the number of peaks is directly determined by the stack number of PQW, i.e., it equals Q-1. Additionally, the results show that symmetric PQW structure is preferable to the design of a multichannel transmission filter. The effect of stack number of photonic barrier is also illustrated. Such a filter operating at terahertz with feature of multiple channels is of technical use in superconducting optoelectronic applications.

    Original languageEnglish
    Pages (from-to)327-340
    Number of pages14
    JournalProgress in Electromagnetics Research
    Volume140
    DOIs
    Publication statusPublished - 2013 Jan 1

    ASJC Scopus subject areas

    • Radiation
    • Condensed Matter Physics
    • Electrical and Electronic Engineering

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