29 April 2016 Photonic crystal technology for terahertz system integration
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Developing terahertz integration technology is essential for practical use of terahertz electromagnetic waves (0.1–10 THz) in various applications including broadband wireless communication, spectroscopic sensing, and nondestructive imaging. In this paper, we present our recent challenges towards terahertz system integration based on photonic crystal technology such as the development of terahertz transceivers. We use photonic-crystal slabs consisting of a twodimensional lattice of air holes formed in a silicon slab to develop low loss compact terahertz components in planar structures. The demonstration of ultralow loss (< 0.1 dB/cm) waveguides and integrated transceiver devices in the 0.3 THz band shows the potential for the application of photonic crystals to terahertz integration technology. Improving the coupling efficiency between the photonic crystal waveguide and resonant tunneling diode is important to take full advantage of the ultralow loss photonic crystal waveguides.
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Masayuki Fujita, Masayuki Fujita, Tadao Nagatsuma, Tadao Nagatsuma, } "Photonic crystal technology for terahertz system integration", Proc. SPIE 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense, 98560P (29 April 2016); doi: 10.1117/12.2225151; https://doi.org/10.1117/12.2225151

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