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| Presentation | 2011-08-26 09:25 Investigation of Modal Dispersion Compensation Using Digital Coherent Receiver in Multi-mode Fiber Transmission Takayoshi Mori, Taiji Sakamoto, Takashi Yamamoto, Shigeru Tomita (NTT)  OCS2011-49 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Internet traffic is increasing rapidly, and considerable attention has been paid to the construction of high-speed networks. To realize a much higher transmission capacity, we need to avoid the nonlinear effects in optical fiber and the optical fiber fuse phenomenon. Enlarging the effective area (A_eff) of optical fibers is a practical way of reducing nonlinearity and increasing the fiber fuse threshold power. However, enlarging the A_eff makes it difficult to keep the single mode operation of the fiber at the signal wavelength. With multi-mode operation, mode dispersion causes serious signal degradation as a result of inter-symbol interference (ISI). Even if we can eliminate the higher-order mode by using a mode filter, multipath interference (MPI), which is caused by repeated mode conversion between fundamental and higher-order modes, cannot be removed with an optical method. If we can compensate for such signal degradation by mode dispersion, we can realize a much larger Aeff and expect to achieve a much higher transmission capacity. Here, we demonstrate the transmission of graded-index multi-mode fiber (GI-MMF) with MPI compensation using digital coherent technology. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Multi-Mode Fiber / Mode dispersion compensation / Digital Coherent Receiver / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 181, OCS2011-49, pp. 21-26, Aug. 2011. | |
| Paper # | OCS2011-49 | |
| Date of Issue | 2011-08-18 (OCS) | |
| 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 | OCS2011-49 |
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| Conference Information | |
| Committee | OFT OCS |
| Conference Date | 2011-08-25 - 2011-08-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OCS |
| Conference Code | 2011-08-OFT-OCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of Modal Dispersion Compensation Using Digital Coherent Receiver in Multi-mode Fiber Transmission |
| Sub Title (in English) | |
| Keyword(1) | Multi-Mode Fiber |
| Keyword(2) | Mode dispersion compensation |
| Keyword(3) | Digital Coherent Receiver |
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| 1st Author's Name | Takayoshi Mori |
| 1st Author's Affiliation | NTT (NTT) |
| 2nd Author's Name | Taiji Sakamoto |
| 2nd Author's Affiliation | NTT (NTT) |
| 3rd Author's Name | Takashi Yamamoto |
| 3rd Author's Affiliation | NTT (NTT) |
| 4th Author's Name | Shigeru Tomita |
| 4th Author's Affiliation | NTT (NTT) |
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| Speaker | Author-1 |
| Date Time | 2011-08-26 09:25:00 |
| Presentation Time | 25 minutes |
| Registration for | OCS |
| Paper # | OCS2011-49 |
| Volume (vol) | vol.111 |
| Number (no) | no.181 |
| Page | pp.21-26 |
| #Pages | 6 |
| Date of Issue | 2011-08-18 (OCS) |
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