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| Presentation | 2010-07-29 16:40 Analysis of a waveguide grating using the 3-D LOD-FDTD method Ryoji Ando, Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano (Hosei Univ.)  MW2010-50 OPE2010-35 Link to ES Tech. Rep. Archives: MW2010-50 OPE2010-35 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The three-dimensional finite-difference time-domain (FDTD) method based on the locally one-dimensional (LOD) scheme is applied to the analysis of a waveguide grating. First, the formulation is presented, in which dispersion control parameters are introduced to reduce the numerical dispersion error caused by a large time step. Next, as a preliminary calculation, the wavelength response of a waveguide grating is analyzed in a two-dimensional problem. The use of the dispersion control parameter contributes to the accuracy improvement even with a large time step beyond the Courant-Friedrich-Levy limit. In particular, the application of the parameter to only the propagation direction is found to be sufficient, since the forward and backward waves along the waveguide predominate the propagation properties. Finally, a 3-D waveguide grating is analyzed. The use of the dispersion control parameter only in the propagation direction also enables us to employ a large time step for efficient calculations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Finite-difference time-domain (FDTD) method / locally one-dimensional (LOD) scheme / waveguide grating / numerical dispersion / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 156, OPE2010-35, pp. 69-74, July 2010. | |
| Paper # | OPE2010-35 | |
| Date of Issue | 2010-07-22 (MW, OPE) | |
| 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 | MW2010-50 OPE2010-35 Link to ES Tech. Rep. Archives: MW2010-50 OPE2010-35 |
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| Conference Information | |
| Committee | EMT OPE MW IEE-EMT |
| Conference Date | 2010-07-29 - 2010-07-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hokkaido Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2010-07-EMT-OPE-MW-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Analysis of a waveguide grating using the 3-D LOD-FDTD method |
| Sub Title (in English) | |
| Keyword(1) | Finite-difference time-domain (FDTD) method |
| Keyword(2) | locally one-dimensional (LOD) scheme |
| Keyword(3) | waveguide grating |
| Keyword(4) | numerical dispersion |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Ryoji Ando |
| 1st Author's Affiliation | Hosei University (Hosei Univ.) |
| 2nd Author's Name | Jun Shibayama |
| 2nd Author's Affiliation | Hosei University (Hosei Univ.) |
| 3rd Author's Name | Junji Yamauchi |
| 3rd Author's Affiliation | Hosei University (Hosei Univ.) |
| 4th Author's Name | Hisamatsu Nakano |
| 4th Author's Affiliation | Hosei University (Hosei Univ.) |
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| Speaker | Author-1 |
| Date Time | 2010-07-29 16:40:00 |
| Presentation Time | 25 minutes |
| Registration for | OPE |
| Paper # | MW2010-50, OPE2010-35 |
| Volume (vol) | vol.110 |
| Number (no) | no.155(MW), no.156(OPE) |
| Page | pp.69-74 |
| #Pages | 6 |
| Date of Issue | 2010-07-22 (MW, OPE) |
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