Progress of terahertz functional subwavelength devices -modulator, isolator and sensor

Fei Fan; Sheng-Jiang Chang

doi:10.1117/12.2032454

23 August 2013 Progress of terahertz functional subwavelength devices -modulator, isolator and sensor

Fei Fan, Sheng-Jiang Chang

Proceedings Volume 8909, International Symposium on Photoelectronic Detection and Imaging 2013: Terahertz Technologies and Applications; 890906 (2013) https://doi.org/10.1117/12.2032454
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

Our recent important progress in terahertz (THz) functional devices based on photonic crystals and plasmonics was reviewed in this paper, involving THz modulator, isolator and sensor. For THz modulators, we demonstrate the transmission and modulation properties of a state conversion photonic crystals and a metal-semiconductor-metal plasmonic waveguide based on theoretical and experimental investigations. We also show the nonreciprocal transmission and enhancement mechanism of the structured metal/magneto-optical plasmonic waveguide and plasmonic lens for THz isolator and circulator. Moreover, a real-time quantitative THz microfluidic sensing based on photonic crystal pillar array is introduced by experimental results. These THz functional subwavelength devices exhibit great promising potential in THz application systems.

Citation Download Citation

Fei Fan and Sheng-Jiang Chang "Progress of terahertz functional subwavelength devices -modulator, isolator and sensor", Proc. SPIE 8909, International Symposium on Photoelectronic Detection and Imaging 2013: Terahertz Technologies and Applications, 890906 (23 August 2013); https://doi.org/10.1117/12.2032454

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