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| Presentation | 2013-06-21 15:50 28-Gbps Direct Modulation with High Mask Margin of 1.3-um DFB Lasers with Asymmetric Corrugation-Pitch-Modulated Grating Yuki Wakayama, Kouji Nakahara, Kenji Hiruma, Takeshi Kitatani, Kazunori Shinoda (Hitachi), Toshihiko Fukamachi, Yasushi Sakuma (Oclaro Japan), Shigehisa Tanaka (Hitachi)  OPE2013-14 LQE2013-24 Link to ES Tech. Rep. Archives: OPE2013-14 LQE2013-24 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We have developed 1.3-um directly modulated DFB lasers operating at 28 Gbps at 55℃ for 100GbE optical transceivers with lower power consumption. In order to improve the frequency response of directly modulated DFB lasers, an asymmetric corrugation-pitch-modulated (CPM) grating DFB laser was proposed. Proposed asymmetric CPM grating DFB lasers exhibited a low threshold current of 5.3 mA, a high slope efficiency of 0.26 W/A, a high SMSR > 45 dB, and a wide f3dB bandwithd > 20 GHz at 55℃. Moreover we experimentally demonstrated 28 Gbps direct modulation with high mask margin of 22% at 55℃ for the first time. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Direct modulation / DFB lasers / Corrugation pitch modulated grating / 28 Gbps / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 100, LQE2013-24, pp. 39-42, June 2013. | |
| Paper # | LQE2013-24 | |
| Date of Issue | 2013-06-14 (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 | OPE2013-14 LQE2013-24 Link to ES Tech. Rep. Archives: OPE2013-14 LQE2013-24 |
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| Conference Information | |
| Committee | LQE OPE |
| Conference Date | 2013-06-21 - 2013-06-21 |
| 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 | 2013-06-LQE-OPE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | 28-Gbps Direct Modulation with High Mask Margin of 1.3-um DFB Lasers with Asymmetric Corrugation-Pitch-Modulated Grating |
| Sub Title (in English) | |
| Keyword(1) | Direct modulation |
| Keyword(2) | DFB lasers |
| Keyword(3) | Corrugation pitch modulated grating |
| Keyword(4) | 28 Gbps |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuki Wakayama |
| 1st Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 2nd Author's Name | Kouji Nakahara |
| 2nd Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 3rd Author's Name | Kenji Hiruma |
| 3rd Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 4th Author's Name | Takeshi Kitatani |
| 4th Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 5th Author's Name | Kazunori Shinoda |
| 5th Author's Affiliation | Hitachi, Ltd. (Hitachi) |
| 6th Author's Name | Toshihiko Fukamachi |
| 6th Author's Affiliation | Oclaro Japan, Inc. (Oclaro Japan) |
| 7th Author's Name | Yasushi Sakuma |
| 7th Author's Affiliation | Oclaro Japan, Inc. (Oclaro Japan) |
| 8th Author's Name | Shigehisa Tanaka |
| 8th Author's Affiliation | Hitachi, Ltd. (Hitachi) |
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| Speaker | Author-1 |
| Date Time | 2013-06-21 15:50:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | OPE2013-14, LQE2013-24 |
| Volume (vol) | vol.113 |
| Number (no) | no.99(OPE), no.100(LQE) |
| Page | pp.39-42 |
| #Pages | 4 |
| Date of Issue | 2013-06-14 (OPE, LQE) |
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