Search Results - "Arakawa, Taro"

Silicon Microring Resonator Biosensor for Detection of Nucleocapsid Protein of SARS-CoV-2 by Uchida, Yusuke, Arakawa, Taro, Higo, Akio, Ishizaka, Yuhei

“…A high-sensitivity silicon microring (Si MRR) optical biosensor for detecting the nucleocapsid protein of SARS-CoV-2 is proposed and demonstrated. In the…”
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Characteristics of Highly Sensitive Hydrogen Sensor Based on Pt-WO3/Si Microring Resonator by Matsuura, Sosuke, Yamasaku, Naoki, Nishijima, Yoshiaki, Okazaki, Shinji, Arakawa, Taro

“…Hydrogen gas has attracted attention as a new energy carrier, and simple but highly sensitive hydrogen sensors are required. We fabricated an optical hydrogen…”
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Tunable Vernier Series-Coupled Microring Resonator Filters Based on InGaAs/InAlAs Multiple Quantum-Well Waveguide by Peng, Zhifeng, Arakawa, Taro

“…We demonstrate a fourth-order Vernier serious-coupled microring resonator (MRR) filter based on the InGaAs/InAlAs five-layer asymmetric coupled quantum-well…”
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Proposal and simulated characteristics of high-extinction-ratio electroabsorption modulator based on multimode interference waveguide by Yamashina, Kohei, Arakawa, Taro

“…We proposed an electroabsorption modulator (EAM) based on a 1 × 1 multimode interference waveguide (MMI-EAM). A partial electroabsorption (EA) region is…”
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Proposal of Highly Efficient Quantum Well Microring Resonator-Loaded Optical Phase Modulator Integrated with Antenna-Coupled Electrodes for Radio-over-Fiber by Kamada, Hiro, Arakawa, Taro

“…Radio-over-fiber (RoF) technology for low-loss, high-speed millimeter-wave transmission using optical fibers has been attracting attention. We propose a highly…”
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Improvement and stabilization of optical hydrogen sensing ability of Au-Pd alloys by Nishijima, Yoshiaki, Kurotsu, Takuma, Yamasaku, Naoki, Takahashii, Hajime, Kurihara, Keisuke, Beni, Takaaki, Okazaki, Shinji, Arakawa, Taro, Balčytis, Armandas, Seniutinas, Gediminas, Juodkazis, Saulius

“…Formation of metal hydrides is a signature chemical property of hydrogen and it can be leveraged to enact both storage and detection of this technologically…”
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Hitless wavelength-selective switch based on quantum well second-order series-coupled microring resonators by Ikehara, Hiroki, Goto, Tsuyoshi, Kamiya, Hiroshi, Arakawa, Taro, Kokubun, Yasuo

“…A hitless wavelength-selective switch (WSS) based on InGaAs/InAlAs multiple quantum well (MQW) second-order series-coupled microring resonators is proposed and…”
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Highly sensitive optical biosensor based on silicon-microring-resonator-loaded Mach-Zehnder interferometer by Yoshida, Soichiro, Ishihara, Shintaro, Arakawa, Taro, Kokubun, Yasuo

“…We propose and demonstrate a novel biosensor based on a silicon-single-microring-resonator-loaded Mach-Zehnder interferometer (MRR-MZI), and discuss the design…”
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Low-voltage quantum well microring-enhanced Mach-Zehnder modulator by Kaneshige, Hiroki, Gautam, Rajdeep, Ueyama, Yuta, Katouf, Redouane, Arakawa, Taro, Kokubun, Yasuo

“…Modulation characteristics of a novel InGaAs/InAlAs multiple quantum well (MQW) microring-enhanced Mach-Zehnder modulator (MRE-MZM) is investigated in detail…”
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InGaAs/InAlAs Five-Layer Asymmetric Coupled Quantum Well Exhibiting Giant Electrorefractive Index Change by Arakawa, Taro, Toya, Takahiro, Ushigome, Motoki, Yamaguchi, Koichiro, Ide, Tomoyoshi, Tada, Kunio

“…An InGaAs/InAlAs five-layer asymmetric coupled quantum well (FACQW) exhibiting a giant electrorefractive index change was proposed and has been studied…”
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Thermo-optically driven silicon microring-resonator-loaded Mach-Zehnder modulator for low-power consumption and multiple-wavelength modulation by Gautam, Rajdeep, Kaneshige, Hiroki, Yamada, Hitoshi, Katouf, Redouane, Arakawa, Taro, Kokubun, Yasuo

“…Low-power-consumption thermo-optically controlled silicon-microring-resonator loaded Mach-Zehnder modulators (MRR-loaded MZMs) are demonstrated. We…”
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A Micro Racetrack Optical Resonator Test Structure to Optimize Pattern Approximation in Direct Lithography Technologies by Higo, Akio, Sawamura, Tomoki, Fujiwara, Makoto, Ota, Etsuko, Mizushima, Ayako, Lebrasseur, Eric, Arakawa, Taro, Mita, Yoshio

“…High-throughput electron beam (EB) lithography technologies such as variable shape beam (VSB) and character projection (CP) are drawing much interests to the…”
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Cu patterning on Si substrate using solution-processed Ti-Cu oxide films and electroless plating by Miyazeki, Yusuke, Horiuchi, Yoshio, Noh, Joo-Hyong, Cordonier, Christopher E. J., Honma, Hideo, Arakawa, Taro

“…We demonstrated for the first time the Cu patterning on Si using Ti and Cu oxide (TiCu-ox) films patterned by photolithography and electroless plating without…”
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Proposal of All-Optical Active Microring Logic Gate for Microring Processor by Yajima, Hideki, Nishimura, Masaki, Arakawa, Taro, Kokubun, Yasuo

“…We propose and analyze all-optical active microring logic gates for a microring processor that has various integrated all-optical signal processing functions…”
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All-optical flip-flop and inverter using adjacent lasing wavelengths by semiconductor microring laser by Miyamoto, Tominari, Umehara, Shu, Kobayashi, Hiroki, Taniguchi, Riichi, Katouf, Redouane, Arakawa, Taro, Kokubun, Yasuo

“…We demonstrated an all-optical flip-flop and inverter using two adjacent lasing wavelengths (FSR = 1.7 nm) from an InGaAs/InGaAsP multiple quantum well (MQW)…”
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Proposal of All-Optical Active Microring Logic Gate for Microring Processor by Yajima, Hideki, Nishimura, Masaki, Arakawa, Taro, Kokubun, Yasuo

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Proposal of Compact Tunable 1×2 Multimode Interference Splitter Based on Multiple Quantum Well by Kashima, Shintaro, Noh, Joo-Hyong, Arakawa, Taro

“…We propose a compact tunable 1×2 multimode interference (MMI) splitter based on an InGaAs/InAlAs multiple quantum well for an active trimmer for Mach–Zehnder…”
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Coherent Coupling in High-Mesa Semiconductor Directional Coupler by Kamiya, Hiroshi, Nagata, Tomohiro, Ueyama, Yuta, Makino, Taro, Arakawa, Taro, Kokubun, Yasuo

“…The effect of coherent coupling on the performance of a directional coupler is investigated for the first time. Coherent coupling is the interference between a…”
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Proposal of compact multimode interference optical modulator with high extinction ratio by Kanesaka, Yuhei, Arakawa, Taro

“…We proposed a compact 1 × 1 multimode interference (MMI) optical modulator with a high extinction ratio. A triply coupled quantum well structure is designed…”
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Design of high-order series-coupled microring resonator wavelength filter with differential evolution method by Udagawa, Yudai, Arakawa, Taro

“…A design method for higher-order series-coupled microring resonator (MRR) wavelength filters is proposed and discussed. The differential evolution method is…”
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