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| Presentation | 2013-12-20 14:00 Characteristics and analysis of germanium waveguide photodiode under high voltage driving Kotaro Takeda, Tatsuro Hiraki, Tai Tsuchizawa, Hidetaka Nishi, Rai Kou, Hiroshi Fukuda, Tsuyoshi Yamamoto (NTT), Yasuhiko Ishikawa, Kazumi Wada (Univ. of Tokyo), Koji Yamada (NTT)  OPE2013-140 Link to ES Tech. Rep. Archives: OPE2013-140 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We demonstrate a responsivity of germanium photodiode (GePD) with a silicon waveguide in the C- and L-band under high-voltage reverse bias driving. At a bias of 15 V, the germanium photodiode exhibits responsivity of over 1.14 A/W in the entire C- and L-bands. The high responsivity in the L-band is due to Franz-Keldysh (F-K) effect and avalanche effect. We proved that the high responsivity under high bias driving is due to both effects by numerical calculation. For accurate calculation, a change in thickness of depression layer in germanium mesa with bias voltage was considered. Calculation results considering the contributions of both effects show good agreement with measurement results. Considering contributions of both effects to minimum detection limit, optimization for dark current and electric field applied to Ge is discussed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Germanium photodiode / Franz-Keldysh effect / Avalanche effect / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 370, OPE2013-140, pp. 13-18, Dec. 2013. | |
| Paper # | OPE2013-140 | |
| Date of Issue | 2013-12-13 (OPE) | |
| 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 | OPE2013-140 Link to ES Tech. Rep. Archives: OPE2013-140 |
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| Conference Information | |
| Committee | OPE |
| Conference Date | 2013-12-20 - 2013-12-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OPE |
| Conference Code | 2013-12-OPE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Characteristics and analysis of germanium waveguide photodiode under high voltage driving |
| Sub Title (in English) | |
| Keyword(1) | Germanium photodiode |
| Keyword(2) | Franz-Keldysh effect |
| Keyword(3) | Avalanche effect |
| Keyword(4) | |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kotaro Takeda |
| 1st Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 2nd Author's Name | Tatsuro Hiraki |
| 2nd Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 3rd Author's Name | Tai Tsuchizawa |
| 3rd Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 4th Author's Name | Hidetaka Nishi |
| 4th Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 5th Author's Name | Rai Kou |
| 5th Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 6th Author's Name | Hiroshi Fukuda |
| 6th Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 7th Author's Name | Tsuyoshi Yamamoto |
| 7th Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
| 8th Author's Name | Yasuhiko Ishikawa |
| 8th Author's Affiliation | University of Tokyo (Univ. of Tokyo) |
| 9th Author's Name | Kazumi Wada |
| 9th Author's Affiliation | University of Tokyo (Univ. of Tokyo) |
| 10th Author's Name | Koji Yamada |
| 10th Author's Affiliation | Nippon Telegragh and Telephone Corporation (NTT) |
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| Speaker | 1 |
| Date Time | 2013-12-20 14:00:00 |
| Presentation Time | 25 |
| Registration for | OPE |
| Paper # | IEICE-OPE2013-140 |
| Volume (vol) | IEICE-113 |
| Number (no) | no.370 |
| Page | pp.13-18 |
| #Pages | IEICE-6 |
| Date of Issue | IEICE-OPE-2013-12-13 |
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