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| Presentation | 2019-08-22 14:15 [Invited Talk] Ultra boradband digital coherent technologies for 1Tb/s channel rate and beyond Takayuki Kobayashi (NTT)  R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28 Link to ES Tech. Rep. Archives: EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Research and development of optical transmission systems with over-1-Tb/s capacity per wavelength are underway to efficiently and economically accommodate client signals such as high-speed Ethernet in optical transport networks. In 100G class optical transmission systems, digital coherent technology enabled equalization and compensation of various signal degradation factors by digital signal processing. Also, Etc. it improved significantly transmission performance of optical signals such as spectral efficiency improvement and transmission distance extension. However, an optical signal with 1-Tb/s capacity and beyond has the baud rate of > 100 Gbaud and requires higher-order modulation formats with > 32 levels. In such specification, a utilization of both analog and digital technologies is a promising approach because there are various challenges not only in optical and electrical devices such as DACs (Digital-to-Analog Converter), ADCs (Analog-to-Digital Converter), and optical modulators but also in digital signal processing. In this paper, we review the challenges of optical transceivers with over 1-Tb/s capacity and introduce key technologies for realizing them | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | digital coherent technology / transceiver with over 1-Tb/s capacity / fusion of analog and digital technologies / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 173, LQE2019-28, pp. 21-24, Aug. 2019. | |
| Paper # | LQE2019-28 | |
| Date of Issue | 2019-08-15 (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 | R2019-23 EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28 Link to ES Tech. Rep. Archives: EMD2019-21 CPM2019-22 OPE2019-50 LQE2019-28 |
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| Conference Information | |
| Committee | LQE OPE CPM EMD R |
| Conference Date | 2019-08-22 - 2019-08-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2019-08-LQE-OPE-CPM-EMD-R |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Ultra boradband digital coherent technologies for 1Tb/s channel rate and beyond |
| Sub Title (in English) | |
| Keyword(1) | digital coherent technology |
| Keyword(2) | transceiver with over 1-Tb/s capacity |
| Keyword(3) | fusion of analog and digital technologies |
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| 1st Author's Name | Takayuki Kobayashi |
| 1st Author's Affiliation | NTT (NTT) |
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| Speaker | Author-1 |
| Date Time | 2019-08-22 14:15:00 |
| Presentation Time | 15 minutes |
| Registration for | LQE |
| Paper # | R2019-23, EMD2019-21, CPM2019-22, OPE2019-50, LQE2019-28 |
| Volume (vol) | vol.119 |
| Number (no) | no.169(R), no.170(EMD), no.171(CPM), no.172(OPE), no.173(LQE) |
| Page | pp.21-24 |
| #Pages | 4 |
| Date of Issue | 2019-08-15 (R, EMD, CPM, OPE, LQE) |
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