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| Paper Abstract and Keywords | ||
| Presentation | 2009-01-16 09:00 Amplification of Optical Disk Readout Signals by Homodyne Detection Hideharu Mikami, Takahiro Kurokawa (Hitachi Ltd.,), Takeshi Shimano (Hitachi Maxell, Ltd.), Harukazu Miyamoto (Hitachi Ltd.,)  MR2008-57 Link to ES Tech. Rep. Archives: MR2008-57 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We experimentally demonstrated the amplification of optical disc readout signals by homodyne detection. This technique uses optical interference to amplify the signals. We further applied phase-diversity detection to reliably obtain the amplified readout signal. The optical system was carefully designed so that sufficient stability is assured and a sufficiently amplified readout signal can be obtained. We experimentally demonstrated a 3.6 times amplification of a Blu-ray Disc readout signal. The present technique will be essential for the real commercialization of next-generation multilayer optical disc because of its outstanding ability of signal-to-noise ratio improvement. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | homodyne detection / optical pickup / phase-diversity detection / multilayer optical disc / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, Jan. 2009. | |
| Paper # | ||
| Date of Issue | 2009-01-08 (MR) | |
| 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 | MR2008-57 Link to ES Tech. Rep. Archives: MR2008-57 |
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| Conference Information | |
| Committee | ITE-MMS ITE-CE MRIS |
| Conference Date | 2009-01-15 - 2009-01-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MRIS |
| Conference Code | 2009-01-MMS-CE-MR |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Amplification of Optical Disk Readout Signals by Homodyne Detection |
| Sub Title (in English) | |
| Keyword(1) | homodyne detection |
| Keyword(2) | optical pickup |
| Keyword(3) | phase-diversity detection |
| Keyword(4) | multilayer optical disc |
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| 1st Author's Name | Hideharu Mikami |
| 1st Author's Affiliation | Central Research Laboratory, Hitachi Ltd. (Hitachi Ltd.,) |
| 2nd Author's Name | Takahiro Kurokawa |
| 2nd Author's Affiliation | Central Research Laboratory, Hitachi Ltd. (Hitachi Ltd.,) |
| 3rd Author's Name | Takeshi Shimano |
| 3rd Author's Affiliation | Central Research Laboratory, Hitachi Ltd. (Hitachi Maxell, Ltd.) |
| 4th Author's Name | Harukazu Miyamoto |
| 4th Author's Affiliation | Central Research Laboratory, Hitachi Ltd. (Hitachi Ltd.,) |
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| Speaker | Author-1 |
| Date Time | 2009-01-16 09:00:00 |
| Presentation Time | 30 minutes |
| Registration for | MRIS |
| Paper # | MR2008-57 |
| Volume (vol) | vol.108 |
| Number (no) | no.380 |
| Page | pp.35-40 |
| #Pages | 6 |
| Date of Issue | 2009-01-08 (MR) |
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