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Towards frontier photonics based on advanced materials

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Saitama University Cyber Repository of Academic Resources
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Abstract

Based on science and technology of advanced materials, the quantum mechanical nature of photons can be utilized for expanding the available spectral window and strengthening the security of our social systems. Towards such frontier photonics, we started to study some basic elements from physical and technological aspects. We succeeded in growing β’-(BEDT-TTF)2ICl2 single crystals, detecting THz signal by our superconducting tunneling junction device. An in-situ ellipsometry enabled us to monitor thermal oxidation process of SiC surface, and a spectroscopic detection of non-radiative centers in a InAs/GaAs quantum dot structure became possible. The combination of quantum-mechanical design, nano-scale fabrication and detailed characterization is considered to be essential for proceeding the research frontier of brilliant photonics world.

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