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| Presentation | 2014-06-20 14:50 Investigation of 56-Gb/s direct modulation in 1.3-um InGaAlAs MQW RS-BH DFB lasers Kouji Nakahara, Yuki Wakayama, Takeshi Kitatani, Takafumi Taniguchi (Hitachi), Toshihiko Fukamachi, Yasushi Sakuma (Oclaro), Shigehisa Tanaka (Hitachi)  OPE2014-17 LQE2014-22 Link to ES Tech. Rep. Archives: OPE2014-17 LQE2014-22 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Demands for the highly efficient transmission of large amounts of data capacity have become pressing with the explosive growth of Internet/intranet traffic. To meet these demands, the next-generation Ethernet standardization, 400-Gb/s Ethernet (400GbE) are being actively discussed. In this study, a new type of buried heterostruture DFB laser, namely, a ridge-shaped buried heterostructure (RS-BH) DFB laser, for high bit rate operation is proposed. It is experimentally demonstrated that the proposed RS-BH DFB lasers with an asymmetric corrugation-pitch-modulated (ACPM) grating have low threshold current and high frequency response. These superior lasing characteristics of RS-BH ACPM DFB lasers enable 56-Gb/s direct modulation at 55°C. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 400GbE / 1.3-µm directly modulated laser / RS-BH / ACPM-DFB / 56 Gb/s operation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 98, LQE2014-22, pp. 23-26, June 2014. | |
| Paper # | LQE2014-22 | |
| Date of Issue | 2014-06-13 (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 | OPE2014-17 LQE2014-22 Link to ES Tech. Rep. Archives: OPE2014-17 LQE2014-22 |
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| Conference Information | |
| Committee | OPE LQE |
| Conference Date | 2014-06-20 - 2014-06-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2014-06-OPE-LQE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of 56-Gb/s direct modulation in 1.3-um InGaAlAs MQW RS-BH DFB lasers |
| Sub Title (in English) | |
| Keyword(1) | 400GbE |
| Keyword(2) | 1.3-µm directly modulated laser |
| Keyword(3) | RS-BH |
| Keyword(4) | ACPM-DFB |
| Keyword(5) | 56 Gb/s operation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kouji Nakahara |
| 1st Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 2nd Author's Name | Yuki Wakayama |
| 2nd Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 3rd Author's Name | Takeshi Kitatani |
| 3rd Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 4th Author's Name | Takafumi Taniguchi |
| 4th Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 5th Author's Name | Toshihiko Fukamachi |
| 5th Author's Affiliation | Oclaro, Japan (Oclaro) |
| 6th Author's Name | Yasushi Sakuma |
| 6th Author's Affiliation | Oclaro, Japan (Oclaro) |
| 7th Author's Name | Shigehisa Tanaka |
| 7th Author's Affiliation | Hitachi, Ltd. (Hitachi) |
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| Speaker | 1 |
| Date Time | 2014-06-20 14:50:00 |
| Presentation Time | 25 |
| Registration for | LQE |
| Paper # | IEICE-OPE2014-17,IEICE-LQE2014-22 |
| Volume (vol) | IEICE-114 |
| Number (no) | no.97(OPE), no.98(LQE) |
| Page | pp.23-26 |
| #Pages | IEICE-4 |
| Date of Issue | IEICE-OPE-2014-06-13,IEICE-LQE-2014-06-13 |
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