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| Presentation | 2018-05-11 17:05 [Special Invited Talk] Investigation of reduced skew of 106-Gb/s PAM4 waveform with optical orthogonal polarization multiplexing by utilizing 1.3-um directly modulated lasers Kouji Nakahara (Oclaro), Riu Hirai (Hitachi), Takeshi Kitatani (Oclaro), Nobuhiko Kikuchi (Hitachi), Takayoshi Fukui, Kaoru Okamoto, Yasushi Sakuma, Kohichi R. Tamura, Shigehisa Tanaka (Oclaro)  OCS2018-9 OPE2018-9 LQE2018-9 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | One of technical issues of PAM-4 modulation by utilizing directly modulated lasers is distorted into a shew shape eye-diagram. To reduce this shew diagram, we proposed that orthogonal polarization-multiplexing of two NRZ signals with optical power ratio of 2:1 in directly modulated lasers generates skewless PAM-4 waveforms. This optical signal can be received as the PAM4 signal by a standard direct detection receiver. We achieved skewless 106-Gb/s/lane PAM-4 signals with multiplexing mutually orthogonal polarized 53-Gb/s NRZ signals emitted by directly modulated lasers. In addition, transmission over a 10-km SM fiber was demonstrated at 106-Gb/s PAM4 without the non-linearity compensation. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | directly modulated laser / NRZ / PAM4 / skew / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 25, LQE2018-9, pp. 31-34, May 2018. | |
| Paper # | LQE2018-9 | |
| Date of Issue | 2018-05-04 (OCS, 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 | OCS2018-9 OPE2018-9 LQE2018-9 |
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| Conference Information | |
| Committee | OPE OCS LQE |
| Conference Date | 2018-05-11 - 2018-05-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg (Tokyo) |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2018-05-OPE-OCS-LQE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of reduced skew of 106-Gb/s PAM4 waveform with optical orthogonal polarization multiplexing by utilizing 1.3-um directly modulated lasers |
| Sub Title (in English) | |
| Keyword(1) | directly modulated laser |
| Keyword(2) | NRZ |
| Keyword(3) | PAM4 |
| Keyword(4) | skew |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kouji Nakahara |
| 1st Author's Affiliation | Oclaro, Japan (Oclaro) |
| 2nd Author's Name | Riu Hirai |
| 2nd Author's Affiliation | Hitachi Ltd., (Hitachi) |
| 3rd Author's Name | Takeshi Kitatani |
| 3rd Author's Affiliation | Oclaro, Japan (Oclaro) |
| 4th Author's Name | Nobuhiko Kikuchi |
| 4th Author's Affiliation | Hitachi Ltd., (Hitachi) |
| 5th Author's Name | Takayoshi Fukui |
| 5th Author's Affiliation | Oclaro, Japan (Oclaro) |
| 6th Author's Name | Kaoru Okamoto |
| 6th Author's Affiliation | Oclaro, Japan (Oclaro) |
| 7th Author's Name | Yasushi Sakuma |
| 7th Author's Affiliation | Oclaro, Japan (Oclaro) |
| 8th Author's Name | Kohichi R. Tamura |
| 8th Author's Affiliation | Oclaro, Japan (Oclaro) |
| 9th Author's Name | Shigehisa Tanaka |
| 9th Author's Affiliation | Oclaro, Japan (Oclaro) |
| Speaker | Author-1 |
| Date Time | 2018-05-11 17:05:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | OCS2018-9, OPE2018-9, LQE2018-9 |
| Volume (vol) | vol.118 |
| Number (no) | no.23(OCS), no.24(OPE), no.25(LQE) |
| Page | pp.31-34 |
| #Pages | 4 |
| Date of Issue | 2018-05-04 (OCS, OPE, LQE) |
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