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| Presentation | 2018-08-24 11:15 Recent progress of high output power THz quantum cascade lasers Tsung-Tse Lin, Ke Wang, Li Wang, Hideki Hirayama (RIKEN)  R2018-28 EMD2018-31 CPM2018-31 OPE2018-58 LQE2018-47 Link to ES Tech. Rep. Archives: EMD2018-31 CPM2018-31 OPE2018-58 LQE2018-47 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Terahertz quantum cascade lasers (THz QCLs) are theoretically analyzed based on the non-equilibrium Green’s function (NEGF) method. Simulations reveal a carrier leakage channel from upper laser level to the first high energy state in the emitting double-well of the next period. This leakage channel is due to unintentional alignment of the two states, which is distinct from the thermally activated leakage channels. By tuning the energy of this high energy state, such leakage current is clearly suppressed. The optimized THz QCL is much improved, with a peak power of 350 mW contrasting to 220 mW for the not-optimized structure. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | THz / QCLs / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 189, LQE2018-47, pp. 57-61, Aug. 2018. | |
| Paper # | LQE2018-47 | |
| Date of Issue | 2018-08-16 (R, EMD, CPM, 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 | R2018-28 EMD2018-31 CPM2018-31 OPE2018-58 LQE2018-47 Link to ES Tech. Rep. Archives: EMD2018-31 CPM2018-31 OPE2018-58 LQE2018-47 |
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| Conference Information | |
| Committee | EMD LQE OPE CPM R |
| Conference Date | 2018-08-23 - 2018-08-24 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Otaru Camber of Commerce & Industry |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | LQE |
| Conference Code | 2018-08-EMD-LQE-OPE-CPM-R |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Recent progress of high output power THz quantum cascade lasers |
| Sub Title (in English) | |
| Keyword(1) | THz |
| Keyword(2) | QCLs |
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| 1st Author's Name | Tsung-Tse Lin |
| 1st Author's Affiliation | RIKEN (RIKEN) |
| 2nd Author's Name | Ke Wang |
| 2nd Author's Affiliation | RIKEN (RIKEN) |
| 3rd Author's Name | Li Wang |
| 3rd Author's Affiliation | RIKEN (RIKEN) |
| 4th Author's Name | Hideki Hirayama |
| 4th Author's Affiliation | RIKEN (RIKEN) |
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| Speaker | Author-1 |
| Date Time | 2018-08-24 11:15:00 |
| Presentation Time | 25 minutes |
| Registration for | LQE |
| Paper # | R2018-28, EMD2018-31, CPM2018-31, OPE2018-58, LQE2018-47 |
| Volume (vol) | vol.118 |
| Number (no) | no.185(R), no.186(EMD), no.187(CPM), no.188(OPE), no.189(LQE) |
| Page | pp.57-61 |
| #Pages | 5 |
| Date of Issue | 2018-08-16 (R, EMD, CPM, OPE, LQE) |
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