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| Presentation | 2020-11-27 13:40 Optimization of the optical waveguide layer in AlGaN-based UV-B LD Shunya Tanaka (Meijo Univ.), Kosuke Sato (Asahi-Kasei), Shinji Yasue, Yuya Ogino, Kazuki Yamada, Sayaka Ishizuka, Tomoya Omori, Shohei Teramura, Sho Iwayama (Meijo Univ.), Hideto Miyake (Mie Univ.), Motoaki Iwaya, Tetsuya Takeuchi, Satoshi Kamiyama, Isamu Akasaki (Meijo Univ.)  ED2020-20 CPM2020-41 LQE2020-71 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the group reported the realization of current injection semiconductor lasers in the UV-B region. In the future, reducing the threshold current density will be the most important issue. In this study, we fabricated a GRIN-SCH structure current injection laser that can obtain a high light confinement coefficient Γ and can be expected to have a low threshold current density, and confirmed the operation of a room temperature pulsed laser with oscillation. Wavelength of 302 nm. Furthermore, it was confirmed that the threshold current density was reduced to 24 kA/cm2 by double-side facet coating at a cavity length of 700 µm. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | MOVPE / AlGaN / UV-B laser diode / GRIN-SCH / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 256, LQE2020-71, pp. 75-78, Nov. 2020. | |
| Paper # | LQE2020-71 | |
| Date of Issue | 2020-11-19 (ED, CPM, LQE) | |
| ISSN | 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 | ED2020-20 CPM2020-41 LQE2020-71 |
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| Conference Information | |
| Committee | LQE CPM ED |
| Conference Date | 2020-11-26 - 2020-11-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2020-11-LQE-CPM-ED |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Optimization of the optical waveguide layer in AlGaN-based UV-B LD |
| Sub Title (in English) | |
| Keyword(1) | MOVPE |
| Keyword(2) | AlGaN |
| Keyword(3) | UV-B laser diode |
| Keyword(4) | GRIN-SCH |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shunya Tanaka |
| 1st Author's Affiliation | Meijo University (Meijo Univ.) |
| 2nd Author's Name | Kosuke Sato |
| 2nd Author's Affiliation | Advanced Devices Technology Center, Asahi-Kasei (Asahi-Kasei) |
| 3rd Author's Name | Shinji Yasue |
| 3rd Author's Affiliation | Meijo University (Meijo Univ.) |
| 4th Author's Name | Yuya Ogino |
| 4th Author's Affiliation | Meijo University (Meijo Univ.) |
| 5th Author's Name | Kazuki Yamada |
| 5th Author's Affiliation | Meijo University (Meijo Univ.) |
| 6th Author's Name | Sayaka Ishizuka |
| 6th Author's Affiliation | Meijo University (Meijo Univ.) |
| 7th Author's Name | Tomoya Omori |
| 7th Author's Affiliation | Meijo University (Meijo Univ.) |
| 8th Author's Name | Shohei Teramura |
| 8th Author's Affiliation | Meijo University (Meijo Univ.) |
| 9th Author's Name | Sho Iwayama |
| 9th Author's Affiliation | Meijo University (Meijo Univ.) |
| 10th Author's Name | Hideto Miyake |
| 10th Author's Affiliation | Mie University (Mie Univ.) |
| 11th Author's Name | Motoaki Iwaya |
| 11th Author's Affiliation | Meijo University (Meijo Univ.) |
| 12th Author's Name | Tetsuya Takeuchi |
| 12th Author's Affiliation | Meijo University (Meijo Univ.) |
| 13th Author's Name | Satoshi Kamiyama |
| 13th Author's Affiliation | Meijo University (Meijo Univ.) |
| 14th Author's Name | Isamu Akasaki |
| 14th Author's Affiliation | Meijo University (Meijo Univ.) |
| Speaker | Author-1 |
| Date Time | 2020-11-27 13:40:00 |
| Presentation Time | 20 minutes |
| Registration for | LQE |
| Paper # | ED2020-20, CPM2020-41, LQE2020-71 |
| Volume (vol) | vol.120 |
| Number (no) | no.254(ED), no.255(CPM), no.256(LQE) |
| Page | pp.75-78 |
| #Pages | 4 |
| Date of Issue | 2020-11-19 (ED, CPM, LQE) |
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