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| Presentation | 2019-01-18 09:40 Adaptive compensation for angular deflection of OAM beams on mode sorting Noriyuki Sakashita, Hiroki Kishikawa, Nobuo Goto (Tokushima Univ.)  PN2018-66 EMT2018-100 OPE2018-175 LQE2018-185 EST2018-113 MWP2018-84 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | High resolution mode sorting is an efficient demultiplexing method by using spatial light modulators (SLMs) for beams carrying orbital angular momentum (OAM) such as Laguerre-Gaussian (LG) beam. The performance of the mode sorting is affected by lateral displacement and angular deflection between the transmitted OAM beam and the receiver caused by the misalignment of components since OAM beam is mainly used in free-space transmission. Therefore, we investigated the influence on the mode sorting performance for LG beam and "perfect vortex (PV)" beam suffering lateral displacement and angular deflection. As a result, strict angular alignment was required since the acceptable angular deflection was approximately ±100μrad. In this paper, we propose a method of adaptive compensation for angular deflection on mode sorting and investigate its performance for LG and PV beams. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OAM beam / free-space transmission / adaptive compensation / mode sorting / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 398, OPE2018-175, pp. 193-196, Jan. 2019. | |
| Paper # | OPE2018-175 | |
| Date of Issue | 2019-01-10 (PN, EMT, OPE, LQE, EST, MWP) | |
| 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 | PN2018-66 EMT2018-100 OPE2018-175 LQE2018-185 EST2018-113 MWP2018-84 |
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| Conference Information | |
| Committee | PN EMT OPE EST MWP LQE IEE-EMT |
| Conference Date | 2019-01-17 - 2019-01-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka University Nakanoshima Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2019-01-PN-EMT-OPE-EST-MWP-LQE-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Adaptive compensation for angular deflection of OAM beams on mode sorting |
| Sub Title (in English) | |
| Keyword(1) | OAM beam |
| Keyword(2) | free-space transmission |
| Keyword(3) | adaptive compensation |
| Keyword(4) | mode sorting |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Noriyuki Sakashita |
| 1st Author's Affiliation | Tokushima University (Tokushima Univ.) |
| 2nd Author's Name | Hiroki Kishikawa |
| 2nd Author's Affiliation | Tokushima University (Tokushima Univ.) |
| 3rd Author's Name | Nobuo Goto |
| 3rd Author's Affiliation | Tokushima University (Tokushima Univ.) |
| Speaker | Author-1 |
| Date Time | 2019-01-18 09:40:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | PN2018-66, EMT2018-100, OPE2018-175, LQE2018-185, EST2018-113, MWP2018-84 |
| Volume (vol) | vol.118 |
| Number (no) | no.396(PN), no.397(EMT), no.398(OPE), no.399(LQE), no.400(EST), no.401(MWP) |
| Page | pp.193-196 |
| #Pages | 4 |
| Date of Issue | 2019-01-10 (PN, EMT, OPE, LQE, EST, MWP) |
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