TITLE

# Selectable-frequency and tunable-Q perfect transmissions of electromagnetic waves in dielectric heterostructures

AUTHOR(S)
Wang, Z.; Peng, R.W.; Qiu, F.; Huang, X.Q.; Wang, Mu; Hu, A.; Jiang, S.S.; Feng, D.
PUB. DATE
May 2004
SOURCE
Applied Physics Letters;5/17/2004, Vol. 84 Issue 20, p3969
SOURCE TYPE
DOC. TYPE
Article
ABSTRACT
Multiple perfect transmissions of electromagnetic waves are found in the photonic band gap of the symmetric dielectric heterostructures (SDH) constructed as (AB)nBm(BA)n, where A and B stand for different dielectric materials, and m and n are the repeating numbers of the units. The photonic frequency and the mode number of resonant transmissions therein can be manipulated by varying m, and the quality factor Q of the perfect transmission peak increases exponentially with increasing n. These features are experimentally demonstrated in a SDH of TiO2/SiO2 for visible and near infrared light. The possible applications of SDH for the wavelength division multiplexing system are discussed.
ACCESSION #
13029233

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