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Dive into the research topics where Hajime Arao is active.

Publication


Featured researches published by Hajime Arao.


optical fiber communication conference | 2014

Compact Multi-core Fiber Fan-out with GRIN-lens and Micro-lens Array

Osamu Shimakawa; Hajime Arao; Michiko Harumoto; Tomomi Sano; Akira Inoue

A multi-core fiber fan-out composed of a GRIN-lens and a micro-lens array has been proposed. A seven-core fan-out was fabricated and confirmed the coupling loss between the fan-out and SM-fiber agreed with the optical design.


optical fiber communication conference | 2015

Single-mode 24-fiber connector with GI fiber lens array

Osamu Shimakawa; Hajime Arao; Naoki Matsushita; Yuichi Mitose; Dai Sasaki; Masaki Ohmura; Hiroshi Kohda

A Single-mode 24-fiber connector with GI fiber-lenses is developed. The lenses make it possible to adopt MT-connector based guide-pin-alignment. Insertion loss of 0.54dB on average and loss variation less than 0.08dB under temperature cycling is achieved.


ieee optical interconnects conference | 2015

Single-mode 32-fiber connector with GI fiber lens array

Hajime Arao; Osamu Shimakawa; N. Matsushita; Yuuichi Mitose; Dai Sasaki; Masaki Ohmura; Hiroshi Kohda

A single-mode 32-fiber lensed connector has been developed. Insertion loss of 1.0 dB on average was achieved by MT connector based structure. Return loss of more than 30 dB was achieved by non-coaxial optical design.


Archive | 2013

Photoelectric composite cable

Itaru Sakabe; Yuya Homma; Tomoki Sekiguchi; Hajime Arao; Tatsunori Hayashishita


Archive | 2015

Grin lens array, lens-mounted connector, and lens-mounted connector system

Dai Sasaki; Masaki Ohmura; Osamu Shimakawa; Hajime Arao; Yuuichi Mitose; Takuro Watanabe; Motoyoshi Kimura


Archive | 2013

LENS COMPONENT AND OPTICAL MODULE PROVIDED WITH THE SAME

Masaki Oyagi; Takayuki Shimazu; Michiko Harumoto; Mitsutaka Satou; Ayaka Mori; Hajime Arao; Atsushi Suzuki; Motoyoshi Kimura


Archive | 2013

Optical connector module

Hajime Arao; Toshihisa Yokochi; Takayuki Shimazu; Tomoki Sekiguchi


Archive | 2015

ADAPTER AND OPTICAL CONNECTOR COUPLING SYSTEM

Dai Sasaki; Osamu Shimakawa; Hajime Arao; Takuro Watanabe; Motoyoshi Kimura


Archive | 2015

Optical connector and manufacturing method for optical connector

Hajime Arao; Tomomi Sano; Dai Sasaki


Archive | 2011

Fiber optic cable end fixture and fiber optic cable end fixing method

Hajime Arao; Kiyoshi Kato

Collaboration


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Osamu Shimakawa

Sumitomo Electric Industries

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Toshihisa Yokochi

Sumitomo Electric Industries

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Tomomi Sano

Sumitomo Electric Industries

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Dai Sasaki

Sumitomo Electric Industries

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Masaki Ohmura

Sumitomo Electric Industries

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Michiko Harumoto

Sumitomo Electric Industries

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Takayuki Shimazu

Sumitomo Electric Industries

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Akira Inoue

Tokyo Institute of Technology

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Fumiya Uehara

Sumitomo Electric Industries

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Hiroshi Kohda

Sumitomo Electric Industries

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