Search Results - "Hiraki, Tatsurou"

Directly modulated membrane lasers with 108 GHz bandwidth on a high-thermal-conductivity silicon carbide substrate by Yamaoka, Suguru, Diamantopoulos, Nikolaos-Panteleimon, Nishi, Hidetaka, Nakao, Ryo, Fujii, Takuro, Takeda, Koji, Hiraki, Tatsurou, Tsurugaya, Takuma, Kanazawa, Shigeru, Tanobe, Hiromasa, Kakitsuka, Takaaki, Tsuchizawa, Tai, Koyama, Fumio, Matsuo, Shinji

“…Increasing the modulation speed of semiconductor lasers has attracted much attention from the viewpoint of both physics and the applications of lasers. Here we…”
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Deuterated SiN/SiON Waveguides on Si Platform and Their Application to C-Band WDM Filters by Hiraki, Tatsurou, Aihara, Takuma, Nishi, Hidetaka, Tsuchizawa, Tai

“…We describe low-loss SiN/SiON waveguides for wavelength-division-multiplexing filters on a Si platform. The key technology is a low-temperature deposition of…”
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Reservoir Computing Using On-Chip XGM-Based Nonlinear Processing by Membrane SOAs on Si-MZI by Tsurugaya, Takuma, Hiraki, Tatsurou, Aihara, Takuma, Nakajima, Mitsumasa, Diamantopoulos, Nikolaos-Panteleimon, Segawa, Toru, Matsuo, Shinji

“…We propose and demonstrate reservoir computing (RC) by all-optical nonlinear processing based on cross-gain modulation (XGM) in III-V membrane semiconductor…”
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50-GHz-Bandwidth Membrane InGaAsP Electro-Absorption Modulator on Si Platform by Hiraki, Tatsurou, Aihara, Takuma, Maeda, Yoshiho, Fujii, Takuro, Tsuchizawa, Tai, Takahata, Kiyoto, Kakitsuka, Takaaki, Matsuo, Shinji

“…We fabricate a membrane InP-based electro-absorption modulator (EAM), in which an InGaAsP-based multiple-quantum-well (MQW) absorption region is buried with an…”
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Uncooled 100-GBaud Directly Modulated Membrane Lasers on SiC Substrate by Yamaoka, Suguru, Diamantopoulos, Nikolaos-Panteleimon, Nishi, Hidetaka, Fujii, Takuro, Takeda, Koji, Hiraki, Tatsurou, Kanazawa, Shigeru, Kakitsuka, Takaaki, Matsuo, Shinji

“…We investigate the temperature dependence of the dynamic characteristics of a 1.3-μm InGaAlAs-based directly modulated membrane laser on a SiC substrate. The…”
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Waveguide-integrated vertical pin photodiodes of Ge fabricated on p+ and n+ Si-on-insulator layers by Ito, Kazuki, Hiraki, Tatsurou, Tsuchizawa, Tai, Ishikawa, Yasuhiko

“…Vertical pin structures of Ge photodiodes (PDs) integrated with Si optical waveguides are fabricated by depositing Ge epitaxial layers on Si-on-insulator (SOI)…”
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Heterogeneously integrated III–V/Si MOS capacitor Mach–Zehnder modulator by Hiraki, Tatsurou, Aihara, Takuma, Hasebe, Koichi, Takeda, Koji, Fujii, Takuro, Kakitsuka, Takaaki, Tsuchizawa, Tai, Fukuda, Hiroshi, Matsuo, Shinji

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High-performance silicon photonics technology for telecommunications applications by Yamada, Koji, Tsuchizawa, Tai, Nishi, Hidetaka, Kou, Rai, Hiraki, Tatsurou, Takeda, Kotaro, Fukuda, Hiroshi, Ishikawa, Yasuhiko, Wada, Kazumi, Yamamoto, Tsuyoshi

“…By way of a brief review of Si photonics technology, we show that significant improvements in device performance are necessary for practical telecommunications…”
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Development of an Epitaxial Growth Technique Using III-V on a Si Platform for Heterogeneous Integration of Membrane Photonic Devices on Si by Fujii, Takuro, Hiraki, Tatsurou, Aihara, Takuma, Nishi, Hidetaka, Takeda, Koji, Sato, Tomonari, Kakitsuka, Takaaki, Tsuchizawa, Tai, Matsuo, Shinji

“…The rapid increase in total transmission capacity within and between data centers requires the construction of low-cost, high-capacity optical transmitters…”
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III-V/Si integration technology for laser diodes and Mach-Zehnder modulators by Hiraki, Tatsurou, Aihara, Takuma, Takeda, Koji, Fujii, Takuro, Kakitsuka, Takaaki, Tsuchizawa, Tai, Fukuda, Hiroshi, Matsuo, Shinji

“…This paper reviews a technology to heterogeneously integrate III-V semiconductors on a Si platform for the laser diodes and high-efficiency Mach-Zehnder…”
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Ge/graded-SiGe multiplication layers for low-voltage and low-noise Ge avalanche photodiodes on Si by Miyasaka, Yuji, Hiraki, Tatsurou, Okazaki, Kota, Takeda, Kotaro, Tsuchizawa, Tai, Yamada, Koji, Wada, Kazumi, Ishikawa, Yasuhiko

“…A new structure is examined for low-voltage and low-noise Ge-based avalanche photodiodes (APDs) on Si, where a Ge/graded-SiGe heterostructure is used as the…”
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Small Sensitivity to Temperature Variations of Si-Photonic Mach–Zehnder Interferometer Using Si and SiN Waveguides by Hiraki, Tatsurou, Fukuda, Hiroshi, Yamada, Koji, Yamamoto, Tsuyoshi

“…We demonstrated a small sensitivity to temperature variations of delay-line Mach-Zehnder interferometer (DL MZI) on a Si photonics platform. The key technique…”
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Silicon/Silica-Hybrid-Integrated Delay Line Interferometer for Demodulation of PSK Formats by Kou, Rai, Fukuda, Hiroshi, Tsuchizawa, Tai, Nishi, Hidetaka, Hiraki, Tatsurou, Yamada, Koji

“…We propose a 1-bit delay line interferometer (DLI) with a hybrid Mach-Zehnder structure for demodulation of phase-shift-keying (PSK) signals. Each arm contains…”
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Microstructural Characterization of InP Films on SOI (001) Substrates Grown by Selective Lateral Metal-Organic Vapor-Phase Epitaxy by Homma, Hiroya, Sugiyama, Hiroki, Hiraki, Tatsurou, Sato, Tomonari, Matsuo, Shinji

“…•We report a microstructural characterization of InP films on SOI substrate grown by the lateral aspect ratio trapping method.•Large-area InP films without…”
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Heterogeneously integrated III–V/Si MOS capacitor Mach–Zehnder modulator by Hiraki, Tatsurou, Aihara, Takuma, Hasebe, Koichi, Takeda, Koji, Fujii, Takuro, Kakitsuka, Takaaki, Tsuchizawa, Tai, Fukuda, Hiroshi, Matsuo, Shinji

“…Hybrid silicon optical modulator brings efficiency benefits. Demand for more transmission capacity in data centres is increasing due to the continuous growth…”
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Membrane InGaAsP Mach-Zehnder Modulator Integrated With Optical Amplifier on Si Platform by Hiraki, Tatsurou, Aihara, Takuma, Fujii, Takuro, Takeda, Koji, Kakitsuka, Takaaki, Tsuchizawa, Tai, Matsuo, Shinji

“…A high-efficiency Mach-Zehnder modulator (MZM) using InGaAsP phase shifters and a semiconductor optical amplifier (SOA) using multiple-quantum-well (MQW) are…”
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Heterogeneously integrated widely tunable laser using lattice filter and ring resonator on Si photonics platform by Aihara, Takuma, Hiraki, Tatsurou, Fujii, Takuro, Takeda, Koji, Tsuchizawa, Tai, Kakitsuka, Takaaki, Fukuda, Hiroshi, Matsuo, Shinji

“…We fabricated a tunable laser consisting of a Si lattice filter, a Si ring resonator, and a III-V gain region. The lattice filter, a cascade of interferometers…”
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Integration of a high-efficiency Mach-Zehnder modulator with a DFB laser using membrane InP-based devices on a Si photonics platform by Hiraki, Tatsurou, Aihara, Takuma, Fujii, Takuro, Takeda, Koji, Maeda, Yoshiho, Kakitsuka, Takaaki, Tsuchizawa, Tai, Matsuo, Shinji

“…We demonstrate a wafer-level integration of a distributed feedback laser diode (DFB LD) and high-efficiency Mach-Zehnder modulator (MZM) using InGaAsP phase…”
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Heterogeneously integrated membrane III-V compound semiconductor devices with silicon photonics platform by Matsuo, Shinji, Aihara, Takuma, Hiraki, Tatsurou, Maeda, Yoshiho, Kishi, Toshiki, Fujii, Takuro, Takeda, Koji, Kakitsuka, Takaaki

“…Silicon photonics is a key technology for constructing large-scale photonic integrated circuits (PICs) because it enables large-scale wafer processes with high…”
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Membrane III-V/Si DFB Laser Using Uniform Grating and Width-Modulated Si Waveguide by Aihara, Takuma, Hiraki, Tatsurou, Fujii, Takuro, Takeda, Koji, Kakitsuka, Takaaki, Tsuchizawa, Tai, Matsuo, Shinji

“…Membrane buried-heterostructure III-V/Si distributed feedback (DFB) lasers with a stopband-modulated cavity on a Si substrate have been developed. The membrane…”
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