Search Results - "Shinya, Akihiko"

Femtofarad optoelectronic integration demonstrating energy-saving signal conversion and nonlinear functions by Nozaki, Kengo, Matsuo, Shinji, Fujii, Takuro, Takeda, Koji, Shinya, Akihiko, Kuramochi, Eiichi, Notomi, Masaya

“…The introduction of photonic technologies into mature electronic circuits is in high demand to accelerate on-chip information networking and even computing…”
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Large-scale integration of wavelength-addressable all-optical memories on a photonic crystal chip by Kuramochi, Eiichi, Nozaki, Kengo, Shinya, Akihiko, Takeda, Koji, Sato, Tomonari, Matsuo, Shinji, Taniyama, Hideaki, Sumikura, Hisashi, Notomi, Masaya

“…Photonic integration has long been pursued, but remains immature compared with electronics. Nanophotonics is expected to change this situation. However,…”
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Ultralow-energy and high-contrast all-optical switch involving Fano resonance based on coupled photonic crystal nanocavities by Nozaki, Kengo, Shinya, Akihiko, Matsuo, Shinji, Sato, Tomonari, Kuramochi, Eiichi, Notomi, Masaya

“…We experimentally and theoretically clarified that a Fano resonant system based on a coupled optical cavity has better performance when used as an all-optical…”
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Few-fJ/bit data transmissions using directly modulated lambda-scale embedded active region photonic-crystal lasers by Takeda, Koji, Sato, Tomonari, Shinya, Akihiko, Nozaki, Kengo, Kobayashi, Wataru, Taniyama, Hideaki, Notomi, Masaya, Hasebe, Koichi, Kakitsuka, Takaaki, Matsuo, Shinji

“…A low operating energy is needed for nanocavity lasers designed for on-chip photonic network applications. On-chip nanocavity lasers must be driven by current…”
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Ultralow-power all-optical RAM based on nanocavities by Nozaki, Kengo, Shinya, Akihiko, Matsuo, Shinji, Suzaki, Yasumasa, Segawa, Toru, Sato, Tomonari, Kawaguchi, Yoshihiro, Takahashi, Ryo, Notomi, Masaya

“…Optical random-access memory (o-RAM) has been regarded as one of the most difficult challenges in terms of replacing its various functionalities in electronic…”
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Trapping and delaying photons for one nanosecond in an ultrasmall high- Q photonic-crystal nanocavity by Tanabe, Takasumi, Notomi, Masaya, Kuramochi, Eiichi, Shinya, Akihiko, Taniyama, Hideaki

“…Light is intrinsically very difficult to store in a small space. The ability to trap photons for a long time (photon lifetime, τph) and to slow the propagation…”
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Amplifier-Free Bias-Free Receiver Based on Low-Capacitance Nanophotodetector by Nozaki, Kengo, Matsuo, Shinji, Shinya, Akihiko, Notomi, Masaya

“…The substantial energy dissipation of photoreceivers will obstruct dense photonic-electronic integration in keeping the development of processors and…”
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Mid-Infrared Lasing of Single Wurtzite InAs Nanowire by Sumikura, Hisashi, Zhang, Guoqiang, Takiguchi, Masato, Takemura, Naotomo, Shinya, Akihiko, Gotoh, Hideki, Notomi, Masaya

“…Mid-infrared (MIR) photonics is a developing technology for sensing materials by their characteristic MIR absorptions. Since silicon (Si) is a low-loss…”
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25-channel all-optical gate switches realized by integrating silicon photonic crystal nanocavities by Nozaki, Kengo, Kuramochi, Eiichi, Shinya, Akihiko, Notomi, Masaya

“…Silicon-based photonic crystal nanocavities with different lattice pitches were monolithically integrated with a total length of only 200 μm, and were operated…”
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Toward fJ/bit optical communication in a chip by Notomi, Masaya, Nozaki, Kengo, Shinya, Akihiko, Matsuo, Shinji, Kuramochi, Eiichi

“…This article reviews our recent studies of ultralow-power nanophotonics devices toward implementing a dense optical communication network in a processor chip…”
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Ultrahigh- Q photonic crystal nanocavities realized by the local width modulation of a line defect by Kuramochi, Eiichi, Notomi, Masaya, Mitsugi, Satoshi, Shinya, Akihiko, Tanabe, Takasumi, Watanabe, Toshifumi

“…We propose an ultrahigh quality factor ( Q ) photonic crystal slab nanocavity created by the local width modulation of a line defect. We show numerically that…”
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Room-temperature continuous-wave operation of lateral current injection wavelength-scale embedded active-region photonic-crystal laser by Matsuo, Shinji, Takeda, Koji, Sato, Tomonari, Notomi, Masaya, Shinya, Akihiko, Nozaki, Kengo, Taniyama, Hideaki, Hasebe, Koichi, Kakitsuka, Takaaki

“…We have developed a wavelength-scale embedded active-region photonic-crystal laser using lateral p-i-n structure. Zn diffusion and Si ion implantation are used…”
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Optical bistable switching action of Si high-Q photonic-crystal nanocavities by Notomi, Masaya, Shinya, Akihiko, Mitsugi, Satoshi, Kira, Goh, Kuramochi, Eiichi, Tanabe, Takasumi

“…We have demonstrated all-optical bistable switching operation of resonant-tunnelling devices with ultra-small high-Q Si photonic-crystal nanocavities. Due to…”
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All-optical switches on a silicon chip realized using photonic crystal nanocavities by Tanabe, Takasumi, Notomi, Masaya, Mitsugi, Satoshi, Shinya, Akihiko, Kuramochi, Eiichi

“…We demonstrate all-optical switching in the telecommunication band, in silicon photonic crystals at high speed (∼50ps), with extremely low switching energy (a…”
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All-Optical InAsP/InP Nanowire Switches Integrated in a Si Photonic Crystal by Takiguchi, Masato, Takemura, Naotomo, Tateno, Kouta, Nozaki, Kengo, Sasaki, Satoshi, Sergent, Sylvain, Kuramochi, Eiichi, Wasawo, Tabijah, Yokoo, Atsushi, Shinya, Akihiko, Notomi, Masaya

“…We report the successful demonstration of all-optical switching using a subwavelength InP/InAsP nanowire integrated in a silicon photonic crystal at…”
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Photonic Crystal Lasers for Chip-to-Chip and On-Chip Optical Interconnects by Sato, Tomonari, Takeda, Koji, Shinya, Akihiko, Notomi, Masaya, Hasebe, Koichi, Kakitsuka, Takaaki, Matsuo, Shinji

“…A directly modulated photonic crystal (PhC) laser with a wavelength-scale cavity is a key component for chip-to-chip and on-chip optical interconnections…”
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Design of nanowire-induced nanocavities in grooved 1D and 2D SiN photonic crystals for the ultra-violet and visible ranges by Sergent, Sylvain, Takiguchi, Masato, Taniyama, Hideaki, Shinya, Akihiko, Kuramochi, Eiichi, Notomi, Masaya

“…Nanowire-induced SiN photonic crystal (PhC) nanocavities specifically designed for the ultra-violet and visible range are investigated by three-dimensional…”
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Highly nitrogen-vacancy doped diamond nanostructures fabricated by ion implantation and optimum annealing by Sumikura, Hisashi, Hirama, Kazuyuki, Nishiguchi, Katsuhiko, Shinya, Akihiko, Notomi, Masaya

“…Nitrogen-vacancy (NV) centers in diamond photonic nanostructures have attracted much attention as efficient single photon emitters and quantum bits. These…”
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Ultrashort low-loss Ψ gates for linear optical logic on Si photonics platform by Kita, Shota, Nozaki, Kengo, Takata, Kenta, Shinya, Akihiko, Notomi, Masaya

“…Nonlinear optical gates are usually considered as fundamental building blocks for universal optical computation. However, the performance is severely limited…”
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Direct modulation of a single InP/InAs nanowire light-emitting diode by Takiguchi, Masato, Zhang, Guoqiang, Sasaki, Satoshi, Nozaki, Kengo, Chen, Edward, Tateno, Kouta, Tawara, Takehiko, Shinya, Akihiko, Gotoh, Hideki, Notomi, Masaya

“…Telecom-band single nanowire (NW) light-emitting diodes (LEDs) on silicon platforms are promising for use as future on-chip light sources. To realize such an…”
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