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| Presentation | 2022-11-11 13:50 A Numerical Study on Hilbert Transform Used in Direct-Detection Coherent Reception Using Kramers-Kronig Relation -- Comparison between Frequency Domain and Time Domain Realization -- Ryo Tamura (Tokyo Univ. of Science), Kariyawasam Amila (Kyushu Univ.), Joji Maeda (Tokyo Univ. of Science)  OCS2022-46 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | As a candidate for high capacity optical links for data center interconnect, direct-detection self coherent heterodyne reception aided by Kramers-Kronig (KK) relation has been extensively investigated. In this paper, we numerically study real time implementation of Hilbert transform, which is necessary for KK processing. Based on numerical simulations, we studied the performance of the two implementations: one is frequency-domain implementation using overlap FFT, and the other is time-domain implementation using an FIR filter. Comparing the results with that obtained through off-line calculation using ideal Hilbert transform, both implementations provided with the suffcient data points can offer the similar performance to the ideal one. Meanwhile, it is also found that the time-domain implementation can offer similar performance with much less circuit complexity. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical Communication Systems / Short-Range Optical Communications / Self-Heterodyne Detection / Hilbert Transform / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 245, OCS2022-46, pp. 36-40, Nov. 2022. | |
| Paper # | OCS2022-46 | |
| 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 | OCS2022-46 |
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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) | A Numerical Study on Hilbert Transform Used in Direct-Detection Coherent Reception Using Kramers-Kronig Relation |
| Sub Title (in English) | Comparison between Frequency Domain and Time Domain Realization |
| Keyword(1) | Optical Communication Systems |
| Keyword(2) | Short-Range Optical Communications |
| Keyword(3) | Self-Heterodyne Detection |
| Keyword(4) | Hilbert Transform |
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| 1st Author's Name | Ryo Tamura |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Kariyawasam Amila |
| 2nd Author's Affiliation | Kyushu University (Kyushu Univ.) |
| 3rd Author's Name | Joji Maeda |
| 3rd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2022-11-11 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2022-46 |
| Volume (vol) | vol.122 |
| Number (no) | no.245 |
| Page | pp.36-40 |
| #Pages | 5 |
| Date of Issue | 2022-11-03 (OCS) |
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