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| Presentation | 2013-11-29 15:15 Low-chirp and high-extinction ratio optical modulation for radio-over-fiber Tetsuya Kawanishi (NICT)  MWP2013-50 Link to ES Tech. Rep. Archives: MWP2013-50 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Optical modulation plays important roles both in digital and analog optical communication systems. Multi-level modulation technologies have been developed for enhancement of spectral efficiency in optical fibers. On the other hand, most of wireless signals which radio-over-fiber (RoF) systems can be applied to, are in digital modulation formats, so that digital technologies would be easily utilized in RoF systems which are often categorized as analog technologies. Combination of digital signal processing and precise optical modulation/demodulation would be important both for digital transmission based on multi-level modulation and for analog signal generation and detection in RoF systems. This report describes impact of optical modulation preciseness on optical transmission systems such as RoF systems. The preciseness of optical modulation can be expressed by chirp parameter which is an index of undesired phase modulation (chirp), and by on-off extinction ratio which shows preciseness of amplitude modulation. We investigated requirements of chirp parameters and extinction ratios for high-performance RoF systems. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Optical modulation / Radio-on-fiber / extinction-ratio / chirp parameter / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 333, MWP2013-50, pp. 17-22, Nov. 2013. | |
| Paper # | MWP2013-50 | |
| Date of Issue | 2013-11-22 (MWP) | |
| 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 | MWP2013-50 Link to ES Tech. Rep. Archives: MWP2013-50 |
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| Conference Information | |
| Committee | MWP |
| Conference Date | 2013-11-29 - 2013-11-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Railway Technical Research Institute |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MWP |
| Conference Code | 2013-11-MWP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Low-chirp and high-extinction ratio optical modulation for radio-over-fiber |
| Sub Title (in English) | |
| Keyword(1) | Optical modulation |
| Keyword(2) | Radio-on-fiber |
| Keyword(3) | extinction-ratio |
| Keyword(4) | chirp parameter |
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| 1st Author's Name | Tetsuya Kawanishi |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
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| Speaker | Author-1 |
| Date Time | 2013-11-29 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | MWP |
| Paper # | MWP2013-50 |
| Volume (vol) | vol.113 |
| Number (no) | no.333 |
| Page | pp.17-22 |
| #Pages | 6 |
| Date of Issue | 2013-11-22 (MWP) |
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