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| Presentation | 2019-10-18 14:30 Improvement of Diffraction Efficiency of Mode Demultiplexer Using Volume Hologram at 1550 nm Taijun Shiba, Atsushi Okamoto, Hotaka Hayashi, Kazuhisa Ogawa, Akihisa Tomita (Hokkaido Univ.), Taketoshi Takahata (OPTOQUEST), Yuta Goto, Satoshi Shinada, Naoya Wada (NICT)  OCS2019-47 OPE2019-85 LQE2019-63 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To realize the mode division multiplexing transmission, we have proposed a volume holographic mode de-multiplexer (VHDM) that separates multiple spatial modes by volume holograms with a single element. In VHDM, since a recording medium has poor sensitivity for the infrared light, the recording and reproduction of volume hologram are performed by using visible light and infrared light respectively. However, VHDM has a very low diffraction efficiency in the reproduction at the wavelength of 1550 nm when the recording condition such as the exposure amount and the thickness of the recording medium is not enough. Therefore, we measured the changes in diffraction efficiency under several conditions for the exposure amount during recording and the wavelength during reproduction. As a result, it was shown that the diffraction efficiency improved 3.1 times when the exposure amount is set to 4 times the conventional exposure. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Space Division Multiplexing / Mode Division Multiplexing / Mode Demultiplexer / Volume Hologram / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 229, OCS2019-47, pp. 105-108, Oct. 2019. | |
| Paper # | OCS2019-47 | |
| Date of Issue | 2019-10-10 (OCS, OPE, LQE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | OCS2019-47 OPE2019-85 LQE2019-63 |
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| Conference Information | |
| Committee | OCS LQE OPE |
| Conference Date | 2019-10-17 - 2019-10-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OCS |
| Conference Code | 2019-10-OCS-LQE-OPE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Improvement of Diffraction Efficiency of Mode Demultiplexer Using Volume Hologram at 1550 nm |
| Sub Title (in English) | |
| Keyword(1) | Space Division Multiplexing |
| Keyword(2) | Mode Division Multiplexing |
| Keyword(3) | Mode Demultiplexer |
| Keyword(4) | Volume Hologram |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taijun Shiba |
| 1st Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 2nd Author's Name | Atsushi Okamoto |
| 2nd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 3rd Author's Name | Hotaka Hayashi |
| 3rd Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 4th Author's Name | Kazuhisa Ogawa |
| 4th Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 5th Author's Name | Akihisa Tomita |
| 5th Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 6th Author's Name | Taketoshi Takahata |
| 6th Author's Affiliation | OPTOQUEST Co., Ltd. (OPTOQUEST) |
| 7th Author's Name | Yuta Goto |
| 7th Author's Affiliation | National Institute of Information Communications Technology (NICT) |
| 8th Author's Name | Satoshi Shinada |
| 8th Author's Affiliation | National Institute of Information Communications Technology (NICT) |
| 9th Author's Name | Naoya Wada |
| 9th Author's Affiliation | National Institute of Information Communications Technology (NICT) |
| Speaker | Author-1 |
| Date Time | 2019-10-18 14:30:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2019-47, OPE2019-85, LQE2019-63 |
| Volume (vol) | vol.119 |
| Number (no) | no.229(OCS), no.230(OPE), no.231(LQE) |
| Page | pp.105-108 |
| #Pages | 4 |
| Date of Issue | 2019-10-10 (OCS, OPE, LQE) |
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