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| Presentation | 2012-01-26 16:30 Mid-IR vertical transition DFB quantum cascade laser Jun-ichi Hashimoto, Yukihiro Tsuji, Hiroshi Inada, Takamitsu Miura, Makoto Murata, Hiroyuki Yoshinaga, Hideki Yagi, Takashi Kato, Michio Murata, Tsukuru Katsuyama (SEI)  PN2011-50 OPE2011-166 LQE2011-152 EST2011-100 MWP2011-68 Link to ES Tech. Rep. Archives: OPE2011-166 LQE2011-152 EST2011-100 MWP2011-68 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We designed a new vertical-transition active layer structure for a Mid-IR quantum cascade laser (QCL). In this structure, effective optical gain increase can be obtained by enhancing radiative transition selectively with LO phonon scattering increase suppressed. We fabricated vertical-transition FP-QCL having this active layer, and found that 30 % decrease of threshold current was achieved at room temperature compared with the conventional diagonal-transition FP-QCL. We also developed a complex-coupled type DFB-QCL using the same active layer, and succeeded in obtaining a single-mode pulse oscillation up to room temperature. The threshold current density at room temperature was about 3.8 kA/cm2, and the lasing wavelength dependence on temperature was about 0.4 nm/K. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | quantum cascade laser / QCL / vertical-transition / diagonal-transition / DFB / Mid-IR / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 414, LQE2011-152, pp. 109-113, Jan. 2012. | |
| Paper # | LQE2011-152 | |
| Date of Issue | 2012-01-19 (PN, OPE, LQE, EST, 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 | PN2011-50 OPE2011-166 LQE2011-152 EST2011-100 MWP2011-68 Link to ES Tech. Rep. Archives: OPE2011-166 LQE2011-152 EST2011-100 MWP2011-68 |
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| Conference Information | |
| Committee | EMT PN LQE OPE MWP EST IEE-EMT |
| Conference Date | 2012-01-26 - 2012-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka Univ. Convention Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Photonic integrated circuits and devices, swtiching, PLC, fiber devices, waveguide analysis, and others |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2012-01-EMT-PN-LQE-OPE-MWP-EST-EMT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Mid-IR vertical transition DFB quantum cascade laser |
| Sub Title (in English) | |
| Keyword(1) | quantum cascade laser |
| Keyword(2) | QCL |
| Keyword(3) | vertical-transition |
| Keyword(4) | diagonal-transition |
| Keyword(5) | DFB |
| Keyword(6) | Mid-IR |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Jun-ichi Hashimoto |
| 1st Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 2nd Author's Name | Yukihiro Tsuji |
| 2nd Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 3rd Author's Name | Hiroshi Inada |
| 3rd Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 4th Author's Name | Takamitsu Miura |
| 4th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 5th Author's Name | Makoto Murata |
| 5th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 6th Author's Name | Hiroyuki Yoshinaga |
| 6th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 7th Author's Name | Hideki Yagi |
| 7th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 8th Author's Name | Takashi Kato |
| 8th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 9th Author's Name | Michio Murata |
| 9th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
| 10th Author's Name | Tsukuru Katsuyama |
| 10th Author's Affiliation | Sumitomo Electric Industries, LTD. (SEI) |
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| Speaker | Author-1 |
| Date Time | 2012-01-26 16:30:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | PN2011-50, OPE2011-166, LQE2011-152, EST2011-100, MWP2011-68 |
| Volume (vol) | vol.111 |
| Number (no) | no.412(PN), no.413(OPE), no.414(LQE), no.415(EST), no.416(MWP) |
| Page | pp.109-113 |
| #Pages | 5 |
| Date of Issue | 2012-01-19 (PN, OPE, LQE, EST, MWP) |
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