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| Presentation | 2022-11-11 14:50 All-optical PAM4 to QPSK and 16QAM Conversions Using Si-rich Nitride Waveguides Yuto Fujihara, Ken Mishina, Asahi Sueyoshi, Akihiro Maruta (Osaka Univ.)  OCS2022-48 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | All-optical modulation format conversion, which is performed only in the optical domain, has been proposed as a promising technique for efficiently connecting networks with different modulation formats. For inter-data center communication, all-optical PAM4/QPSK and PAM4/16QAM conversions using highly nonlinear fiber (HNLF) have been proposed. However, HNLF is not applicable to photonic integrated circuits (PICs). In this paper, we propose all-optical PAM4/QPSK and PAM4/16QAM conversions using optically integrated silicon-rich nitride (SRN) waveguides, which can be fabricated cost-effectively on PICs. Subsequently, we demonstrate successful modulation format conversions to 50-Gbps-class QPSK and 100-Gbps-class 16QAM signals by numerical simulation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | all-optical signal processing / modulation format conversion / nonlinear optical effect / silicon photonics / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 245, OCS2022-48, pp. 46-51, Nov. 2022. | |
| Paper # | OCS2022-48 | |
| Date of Issue | 2022-11-03 (OCS) | |
| 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 | OCS2022-48 |
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| Conference Information | |
| Committee | ITE-BCT OCS IEE-CMN OFT |
| Conference Date | 2022-11-10 - 2022-11-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Forest-Sendai |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OCS |
| Conference Code | 2022-11-BCT-OCS-CMN-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | All-optical PAM4 to QPSK and 16QAM Conversions Using Si-rich Nitride Waveguides |
| Sub Title (in English) | |
| Keyword(1) | all-optical signal processing |
| Keyword(2) | modulation format conversion |
| Keyword(3) | nonlinear optical effect |
| Keyword(4) | silicon photonics |
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| Keyword(8) | |
| 1st Author's Name | Yuto Fujihara |
| 1st Author's Affiliation | Osaka University (Osaka Univ.) |
| 2nd Author's Name | Ken Mishina |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
| 3rd Author's Name | Asahi Sueyoshi |
| 3rd Author's Affiliation | Osaka University (Osaka Univ.) |
| 4th Author's Name | Akihiro Maruta |
| 4th Author's Affiliation | Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2022-11-11 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2022-48 |
| Volume (vol) | vol.122 |
| Number (no) | no.245 |
| Page | pp.46-51 |
| #Pages | 6 |
| Date of Issue | 2022-11-03 (OCS) |
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