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| Presentation | 2012-11-30 11:25 Effects of internal fields and potential inhomogeneity on the lasing properties of InGaN-based green laser diodes fabricated on (0001) polar substrates Yoon Seok Kim (Kyout Univ.), Akio Kaneta, Mitsuru Funato, Yoichi Kawakami (Kyoto Univ.), Takashi Miyoshi, Shin-ichi Nagahama (Nichia)  ED2012-81 CPM2012-138 LQE2012-109 Link to ES Tech. Rep. Archives: ED2012-81 CPM2012-138 LQE2012-109 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The optical properties of InGaN-based green (512 nm) laser structures fabricated on (0001) GaN substrates are investigated by means of photoluminescence and gain spectroscopies. It is demonstrated that in the state-of-the-art (0001) green InGaN quantum wells, potential fluctuations are drastically suppressed, and the internal loss is as low as ~10 /cm, both of which lead to a low threshold current density of 2.75 kA/cm2.The suppressed inhomogeneity also contributes to high linearity of gain increase with the injection current. The differential gain is relatively low, and is attributed to a low confinement factor in the longer wavelength spectral range. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Green laser diodes / (0001) planes / Optical properties / Gain / Potential fluctuations / Piezoelectric polarization / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 329, LQE2012-109, pp. 71-74, Nov. 2012. | |
| Paper # | LQE2012-109 | |
| Date of Issue | 2012-11-22 (ED, CPM, 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 | ED2012-81 CPM2012-138 LQE2012-109 Link to ES Tech. Rep. Archives: ED2012-81 CPM2012-138 LQE2012-109 |
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| Conference Information | |
| Committee | ED LQE CPM |
| Conference Date | 2012-11-29 - 2012-11-30 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka City University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Ｎｉｔｒide and Compound Semiconductor Devices |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2012-11-ED-LQE-CPM |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Effects of internal fields and potential inhomogeneity on the lasing properties of InGaN-based green laser diodes fabricated on (0001) polar substrates |
| Sub Title (in English) | |
| Keyword(1) | Green laser diodes |
| Keyword(2) | (0001) planes |
| Keyword(3) | Optical properties |
| Keyword(4) | Gain |
| Keyword(5) | Potential fluctuations |
| Keyword(6) | Piezoelectric polarization |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yoon Seok Kim |
| 1st Author's Affiliation | Kyoto University (Kyout Univ.) |
| 2nd Author's Name | Akio Kaneta |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Mitsuru Funato |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 4th Author's Name | Yoichi Kawakami |
| 4th Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 5th Author's Name | Takashi Miyoshi |
| 5th Author's Affiliation | Nichia corporation (Nichia) |
| 6th Author's Name | Shin-ichi Nagahama |
| 6th Author's Affiliation | Nichia corporation (Nichia) |
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| Speaker | Author-1 |
| Date Time | 2012-11-30 11:25:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | ED2012-81, CPM2012-138, LQE2012-109 |
| Volume (vol) | vol.112 |
| Number (no) | no.327(ED), no.328(CPM), no.329(LQE) |
| Page | pp.71-74 |
| #Pages | 4 |
| Date of Issue | 2012-11-22 (ED, CPM, LQE) |
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