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| Presentation | 2022-01-28 15:45 Mach-Zehnder optical modulator with tunable multimode interference coupler of Ti:LiNbO3 waveguides for modulation of high extinction ratio Anna Hirai, Shotaro Yasumori, Yuichi Matsumoto (Univ of Hyogo.), Takanori Sato (Hokkaido Univ.), Tadashi Kawai, Akira Enokihara (Univ of Hyogo.), Shinya Nakajima, Atsushi Kanno, Naokatsu Yamamoto (NICT)  PN2021-48 EMT2021-64 MWP2021-53 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A Mach-Zehnder optical modulator (MZM) with multimode interference (MMI) couplers using Ti-diffused LiNbO3 was considered. Electrodes were formed on the surface of an MMI waveguide section of the 2×2 MMI coupler, and voltage control of the optical power splitting ratio was experimentally confirmed. The MZM consisting of the MMI optical couplers was fabricated. The extinction ratio could be controlled by applying a voltage to the electrodes, and the maximum extinction ratio of about 50 dB was obtained. Furthermore, we made an optical SSB modulation experiment with microwave signals using an MZM consisting of MMI couplers. The sideband suppression ratio of 39 dB from the output optical spectrum. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Multimode Interference / Optical Modulator / Optical coupler / Titanium diffused LiNbO3 / Tuning, extinction ratio / Optical single-sideband modulation / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 352, MWP2021-53, pp. 85-90, Jan. 2022. | |
| Paper # | MWP2021-53 | |
| Date of Issue | 2022-01-20 (PN, EMT, MWP) | |
| ISSN | 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 | PN2021-48 EMT2021-64 MWP2021-53 |
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| Conference Information | |
| Committee | PN MWP EMT PEM IEE-EMT |
| Conference Date | 2022-01-27 - 2022-01-28 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MWP |
| Conference Code | 2022-01-PN-MWP-EMT-PEM-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Mach-Zehnder optical modulator with tunable multimode interference coupler of Ti:LiNbO3 waveguides for modulation of high extinction ratio |
| Sub Title (in English) | |
| Keyword(1) | Multimode Interference |
| Keyword(2) | Optical Modulator |
| Keyword(3) | Optical coupler |
| Keyword(4) | Titanium diffused LiNbO3 |
| Keyword(5) | Tuning, extinction ratio |
| Keyword(6) | Optical single-sideband modulation |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Anna Hirai |
| 1st Author's Affiliation | University of Hyogo (Univ of Hyogo.) |
| 2nd Author's Name | Shotaro Yasumori |
| 2nd Author's Affiliation | University of Hyogo (Univ of Hyogo.) |
| 3rd Author's Name | Yuichi Matsumoto |
| 3rd Author's Affiliation | University of Hyogo (Univ of Hyogo.) |
| 4th Author's Name | Takanori Sato |
| 4th Author's Affiliation | Hokkaido University (Hokkaido Univ.) |
| 5th Author's Name | Tadashi Kawai |
| 5th Author's Affiliation | University of Hyogo (Univ of Hyogo.) |
| 6th Author's Name | Akira Enokihara |
| 6th Author's Affiliation | University of Hyogo (Univ of Hyogo.) |
| 7th Author's Name | Shinya Nakajima |
| 7th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 8th Author's Name | Atsushi Kanno |
| 8th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 9th Author's Name | Naokatsu Yamamoto |
| 9th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| Speaker | Author-1 |
| Date Time | 2022-01-28 15:45:00 |
| Presentation Time | 25 minutes |
| Registration for | MWP |
| Paper # | PN2021-48, EMT2021-64, MWP2021-53 |
| Volume (vol) | vol.121 |
| Number (no) | no.350(PN), no.351(EMT), no.352(MWP) |
| Page | pp.85-90 |
| #Pages | 6 |
| Date of Issue | 2022-01-20 (PN, EMT, MWP) |
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