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| Presentation | 2012-08-24 14:35 Fast Aberration-Correction Algorithm for LCOS-based Optical Switch Keisuke Sorimoto (Keio Univ.), Kenji Kintaka, Hitoshi Kawashima, Masahiko Mori, Toshifumi Hasama, Hiroshi Ishikawa (AIST), Hiroyuki Tsuda (Keio Univ.), Hisato Uetsuka (Hitachi Cable, Ltd.)  R2012-46 EMD2012-52 CPM2012-77 OPE2012-84 LQE2012-50 Link to ES Tech. Rep. Archives: EMD2012-52 CPM2012-77 OPE2012-84 LQE2012-50 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose a novel method to efficiently correct the aberration in a free-space optical switch, where a liquid-crystal-on- silicon (LCOS) is used to control the wavefront. A particle swarm optimization (PSO) method is applied to finding the optimum set of Zernike modes that compensates the aberration. We find out that the obtained coefficients of the lower-order modes and those of the higher-order ones exhibit a linear relationship when the optimization flow is interrupted by the local optima. We can drastically reduce the time for the calibration by using this relationship among the Zernike coefficients. This technique realizes low-loss optical switches without complex calibration procedure. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Liquid crystal on silicon (LCOS) / optical switch / aberration correction / particle swarm optimization (PSO) / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 184, LQE2012-50, pp. 121-125, Aug. 2012. | |
| Paper # | LQE2012-50 | |
| Date of Issue | 2012-08-16 (R, EMD, CPM, 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 | R2012-46 EMD2012-52 CPM2012-77 OPE2012-84 LQE2012-50 Link to ES Tech. Rep. Archives: EMD2012-52 CPM2012-77 OPE2012-84 LQE2012-50 |
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| Conference Information | |
| Committee | LQE CPM EMD OPE R |
| Conference Date | 2012-08-23 - 2012-08-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2012-08-LQE-CPM-EMD-OPE-R |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fast Aberration-Correction Algorithm for LCOS-based Optical Switch |
| Sub Title (in English) | |
| Keyword(1) | Liquid crystal on silicon (LCOS) |
| Keyword(2) | optical switch |
| Keyword(3) | aberration correction |
| Keyword(4) | particle swarm optimization (PSO) |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Keisuke Sorimoto |
| 1st Author's Affiliation | Keio University (Keio Univ.) |
| 2nd Author's Name | Kenji Kintaka |
| 2nd Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 3rd Author's Name | Hitoshi Kawashima |
| 3rd Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 4th Author's Name | Masahiko Mori |
| 4th Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 5th Author's Name | Toshifumi Hasama |
| 5th Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 6th Author's Name | Hiroshi Ishikawa |
| 6th Author's Affiliation | National Institute of Advanced Industrial Science and Technology (AIST) |
| 7th Author's Name | Hiroyuki Tsuda |
| 7th Author's Affiliation | Keio University (Keio Univ.) |
| 8th Author's Name | Hisato Uetsuka |
| 8th Author's Affiliation | Hitachi Cable, Ltd. (Hitachi Cable, Ltd.) |
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| Speaker | Author-1 |
| Date Time | 2012-08-24 14:35:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | R2012-46, EMD2012-52, CPM2012-77, OPE2012-84, LQE2012-50 |
| Volume (vol) | vol.112 |
| Number (no) | no.180(R), no.181(EMD), no.182(CPM), no.183(OPE), no.184(LQE) |
| Page | pp.121-125 |
| #Pages | 5 |
| Date of Issue | 2012-08-16 (R, EMD, CPM, OPE, LQE) |
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