Search Results - "Ohyama, Takaharu"

Large-Capacity Compact Optical Buffer Based on InP Integrated Phased-Array Switch and Coiled Fiber Delay Lines by Tanemura, Takuo, Soganci, Ibrahim Murat, Oyama, Tomofumi, Ohyama, Takaharu, Mino, Shinji, Williams, Kevin A, Calabretta, Nicola, Dorren, H J S, Nakano, Yoshiaki

“…Optical buffering has been one of the major technical challenges in realizing optical packet switching (OPS) routers. While fiber-delay-line-based (FDL)…”
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Compact Hybrid Integrated 100-Gb/s Transmitter Optical Sub-Assembly Using Optical Butt-Coupling Between EADFB Lasers and Silica-Based AWG Multiplexer by Ohyama, Takaharu, Doi, Yoshiyuki, Kobayashi, Wataru, Kanazawa, Shigeru, Takahata, Kiyoto, Kanda, Atsushi, Kurosaki, Takeshi, Tanaka, Takuya, Ohno, Tetsuichiro, Sanjoh, Hiroaki, Hashimoto, Toshikazu

“…A compact hybrid-integrated 100 Gb/s (4 lane × 25.78125 Gb/s) transmitter optical sub-assembly (TOSA) has been developed for a 100 Gb/s transceiver for 40-km…”
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Compact Hybrid-Integrated 100-Gb/s TOSA Using EADFB Laser Array and AWG Multiplexer by Ohyama, Takaharu, Doi, Yoshiyuki, Kobayashi, Wataru, Kanazawa, Shigeru, Tanaka, Takuya, Takahata, Kiyoto, Kanda, Atsushi, Kurosaki, Takeshi, Ohno, Tetsuichiro, Sanjoh, Hiroaki, Hashimoto, Toshikazu

“…We have developed a compact hybrid-integrated four-lane ×25.8 Gb/s transmitter optical sub-assembly (TOSA) for a 100 Gb/s transceiver for 40-km transmission…”
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Transmitter Optical Subassembly Using a Polarization Beam Combiner for 100 Gbit/s Ethernet over 40-km Transmission by Ohyama, Takaharu, Ohki, Akira, Takahata, Kiyoto, Ito, Toshio, Nunoya, Nobuhiro, Mawatari, Hiroyasu, Fujisawa, Takeshi, Kanazawa, Shigeru, Iga, Ryuzo, Sanjoh, Hiroaki

“…A transmitter optical subassembly (TOSA) has been developed for a 100-Gbit/s Ethernet system for a long optical transmission distance over a 40-km single-mode…”
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400GbE demonstration utilizing 100GbE optical sub-assemblies and cyclic arrayed waveguide gratings by Doi, Yoshiyuki, Ohyama, Takaharu, Yoshimatsu, Toshihide, Soma, Shunichi, Oguma, Manabu

“…We propose a 16 × 25-Gb/s WDM configuration with cyclic AWGs as a realistic solution for 400-Gb/s Ethernet, which utilizes 100GbE optical sub-assemblies. A…”
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Compact 100 Gb/s Ethernet Transmitter Optical Sub-Assembly Using Polarization Beam Combiner by Ohyama, Takaharu, Ohki, Akira, Takahata, Kiyoto, Ito, Toshio, Nunoya, Nobuhiro, Fujisawa, Takeshi, Kanazawa, Shigeru, Iga, Ryuzo, Sanjoh, Hiroaki

“…A compact transmitter optical sub-assembly (TOSA) has been developed for a 100 Gb/s Ethernet system with a long transmission distance of 40 km over single-mode…”
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All-in-One 112-Gb/s DP-QPSK Optical Receiver Front-End Module Using Hybrid Integration of Silica-Based Planar Lightwave Circuit and Photodiode Arrays by Ohyama, Takaharu, Ogawa, Ikuo, Tanobe, Hiromasa, Kasahara, Ryoichi, Tsunashima, Satoshi, Yoshimatsu, Toshihide, Fukuyama, Hiroyuki, Itoh, Toshihiro, Sakamaki, Yohei, Muramoto, Yoshifumi, Kawakami, Hiroto, Ishikawa, Mitsuteru, Mino, Shinji, Murata, Koichi

“…We propose a new hybrid integrated optical front-end module for a 100-Gb/s-class coherent receiver using silica-based planar lightwave circuit (PLC)…”
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Design of a 10-Gb/s burst-mode optical packet receiver module and its demonstration in a WDM optical switching network by Nishizawa, H., Yamada, Y., Habara, K., Ohyama, T.

“…A 10-Gb/s burst-mode optical packet receiver module was fabricated. Its sensitivity was -24.8 dBm. Its sensitivity penalty due to packet-arrival timing jitter…”
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High-linearity avalanche photodiode for 40-km transmission with 28-Gbaud PAM4 by Nada, Masahiro, Hashimoto, Toshikazu, Matsuzaki, Hideaki, Kanazawa, Shigeru, Yamazaki, Hiroshi, Nakanishi, Yasuhiko, Kobayashi, Wataru, Doi, Yoshiyuki, Ohyama, Takaharu, Ohno, Tetsuichiro, Takahata, Kiyoto

“…We present a high-linearity avalanche photodiode (APD) for 28-Gbaud PAM4, namely. 56 Gbit/s/λ,. With an optical receiver incorporating the APD, a 40-km…”
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Bidirectional 400-Gb/s transmission by lOOGbE optical sub-assemblies and a cyclic arrayed waveguide grating by Doi, Yoshiyuki, Ohyama, Takaharu, Nakanishi, Yasuhiko, Yoshimatsu, Toshihide, Soma, Shunichi, Yamazaki, Hiroshi, Oguma, Manabu

“…We propose a bidirectional 400-Gb/s configuration that uses optical sub-assemblies for 100-Gb/s Ethernet and a cyclic arrayed waveguide grating. The…”
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Compact 100GbE transmitter optical sub-assembly using polarization beam combiner by Ohyama, Takaharu, Ohki, Akira, Takahata, Kiyoto, Ito, Toshio, Nunoya, Nobuhiro, Fujisawa, Takeshi, Iga, Ryuzo, Sanjoh, Hiroaki

“…We developed a 100GbE transmitter optical sub-assembly using electro-absorption modulator integrated distributed feedback laser diode arrays and a polarization…”
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Compact hybrid-integrated 100-Gbit/s TOSA for 40-km transmission by Ohyama, Takaharu, Doi, Yoshiyuki, Kanazawa, Shigeru, Takahata, Kiyoto, Kanda, Atsushi, Kurosaki, Takeshi, Ohno, Tetsuichiro, Sanjoh, Hiroaki, Kobayashi, Wataru, Tanaka, Takuya, Hashimoto, Toshikazu

“…We developed a compact hybrid-integrated 100 Gbit/s TOSA using an EADFB laser array with a spot-size converter and a silica-based AWG multiplexer. Error-free…”
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Hybrid integrated differential photoreceiver module for photonic packet switching systems using a planar lightwave circuit platform by Akahori, Y., Ohyama, T., Oguma, M., Kato, K., Yamada, Y.

“…A high-speed differential photoreceiver module for the photonic asynchronous transfer mode (ATM) packet switching system has been developed. This module…”
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A 10 Gb/s hybrid-integrated receiver array module using a planar lightwave circuit (PLC) platform including a novel assembly region structure by Mino, S., Ohyama, T., Akahori, Y., Hashimoto, T., Yamada, Y., Yanagisawa, M., Muramoto, Y.

“…A planar lightwave circuit (PLC) platform for optoelectronic hybrid integration shows potential for achieving 10 Gb/s operation. It uses AuSn bump-type bonding…”
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High-speed photoreceivers using solder bumps and microstrip lines formed on a silicon optical bench by Akahori, Y., Ohyama, T., Yamada, T., Katoh, K., Ito, T.

“…High-speed photoreceiver modules using silicon optical benches are described. These modules employ solder bumps for chip assembly and microstrip lines for…”
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Compact AWG-based optical channel monitor (OCM) for multi-degree ROADM by Ohyama, T., Goh, T., Sohma, S., Kamei, S., Doi, Y., Ogawa, I., Shibata, T., Ishii, M., Kaneko, A.

“…We successfully fabricated a compact AWG-based optical channel monitor (OCM) for a multi-degree ROADM. We also describe a novel OCM configuration with an…”
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5-Tb/s electro-optical ATM switching system hardware components using small optical WDM packet-switched interconnection modules by Matsuura, N., Yamakoshi, K., Oki, E., Yamanaka, N., Ohyama, T., Akahori, Y.

“…We have experimentally demonstrated a 5-Tb/s ATM (asynchronous transfer mode) switching system called OPTIMA-2 (Optically interconnected multi-stage ATM switch…”
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Assembly and wiring technologies on PLC platforms for low-cost and high-speed applications by Akahori, Y., Ohyama, T., Hashimoto, T., Yamada, Y.

“…The hybrid integration of silica-based planar lightwave circuit (PLC) platforms and semiconductor opto-electronic devices is a technology that shows promise…”
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