Journal ArticleDOI
Design and fabrication of photonic crystal resonators for single-mode and vertical surface emission from strain-compensated quantum cascade lasers operating at 4.32 μm
Shinji Saito,Rei Hashimoto,Kei Kaneko,Tsutomu Kakuno,Yuanzhao Yao,Naoki Ikeda,Yoshimasa Sugimoto,Takaaki Mano,Takashi Kuroda,Hirotaka Tanimura,Shigeyuki Takagi,Kazuaki Sakoda +11 more
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This article is published in Applied Physics Express.The article was published on 2021-10-01. It has received 0 citations till now. The article focuses on the topics: Quantum cascade laser & Photonic crystal.read more
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Journal ArticleDOI
Mid-IR Dirac-cone dispersion relation materialized in SOI photonic crystal slabs.
Yuanzhao Yao,Naoki Ikeda,Takashi Kuroda,Takaaki Mano,Hiromi Koyama,Yoshimasa Sugimoto,Kazuaki Sakoda +6 more
TL;DR: The isotropic Dirac-cone dispersion relation in the mid-infrared range was materialized by fabricating photonic crystal slabs of the C4v symmetry in SOI wafers by electron beam lithography and showed good agreement with the dispersion relationship and the reflection spectra calculated by the finite element method.
Journal ArticleDOI
Apparatus for High-Precision Angle-Resolved Reflection Spectroscopy in the Mid-Infrared Region.
TL;DR: In this article, a high-precision angle-resolved reflection setup compatible with a commercial Fourier transform infrared (FT-IR) spectrometer is presented, which converts the focused beam into an achromatically collimated beam with an angle dispersion as high as 0.25°.
Journal ArticleDOI
Mid-infrared dispersion relations in InP based photonic crystal slabs revealed by Fourier-transform angle-resolved reflection spectroscopy
Siti Chalimah,Yuanzhao Yao,Naoki Ikeda,Kei Kaneko,Rei Hashimoto,Tsutomu Kakuno,Shinji Saito,Takashi Kuroda,Yoshimasa Sugimoto,Kazuaki Sakoda +9 more
TL;DR: In this article, a high-precision angle-resolved setup compatible with a Fourier-transform spectrometer with an angle resolution as high as 0.3 degrees is presented.
Proceedings ArticleDOI
QCL-based trace gas analyzer for industrial and healthcare applications
TL;DR: In this article, a quantum cascade laser-based gas analyzer with table-top size was developed for the acetone and isotope of carbon dioxide, achieving a precision of 0.1 ppm and 0.3 µm in delta notation.
Journal ArticleDOI
Midinfrared Dispersion Relations in In P -Based Photonic Crystal Slabs Revealed by Fourier-Transform Angle-Resolved Reflection Spectroscopy
Siti Chalimah,Siti Chalimah,Yuanzhao Yao,Naoki Ikeda,Kei Kaneko,Rei Hashimoto,Tsutomu Kakuno,S. Saito,Takashi Kuroda,Takashi Kuroda,Yoshimasa Sugimoto,Kazuaki Sakoda +11 more
TL;DR: In this article, a high-precision angle-resolved setup compatible with a Fourier-transform spectrometer with an angle resolution as high as ${0.3}^{\ensuremath{\circ}} was proposed.