| Presentation | 2018-08-24 Recent progress of high output power THz quantum cascade lasers Tsung-Tse Lin, Ke Wang, Li Wang, Hideki Hirayama, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(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) |
| Keyword(in English) | THz / QCLs |
| Paper # | R2018-28,EMD2018-31,CPM2018-31,OPE2018-58,LQE2018-47 |
| Date of Issue | 2018-08-16 (R, EMD, CPM, OPE, LQE) |
| Conference Information | |
| Committee | EMD / LQE / OPE / CPM / R |
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| Conference Date | 2018/8/23(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Otaru Camber of Commerce & Industry |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Shinichi Wada(TMC System) / Kiichi Hamamoto(Kyusyu Univ.) / Kouki Sato(Furukawa Electric Industries) / Fumihiko Hirose(Yamagata Univ.) / Tetsushi Yuge(National Defense Academy) |
| Vice Chair | Yoshiki Kayano(Univ. of Electro-Comm.) / Hiroshi Aruga(Mitsubishi Electric) / Hiroshi Takahashi(Sophia Univ.) / Mayumi Takeyama(Kitami Inst. of Tech.) / Akira Asato(Fujitsu) |
| Secretary | Yoshiki Kayano(Muroran Inst. of Tech.) / Hiroshi Aruga(Fuji Electric) / Hiroshi Takahashi(SEI) / Mayumi Takeyama(Furukawa Electric Industries) / Akira Asato(Univ. of Tokyo) |
| Assistant | Yuichi Hayashi(ＮＡＩＳＴ) / Masaya Nagai(Osaka Univ.) / Yuya Shoji(Tokyo Inst. of Tech.) / Kazunori Seno(NTT) / Yasuo Kimura(Tokyo Univ. of Tech.) / Hideki Nakazawa(Hirosaki Univ.) / Tomoaki Terasako(Ehime Univ.) / Shinji Inoue(Kansai Univ.) / Hiroyuki Okamura(Hiroshima Univ.) |
| Paper Information | |
| Registration To | Technical Committee on Electromechanical Devices / Technical Committee on Lasers and Quantum Electronics / Technical Committee on OptoElectronics / Technical Committee on Component Parts and Materials / Technical Committee on Reliability |
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| Language | ENG-JTITLE |
| 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 |
| 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) |
| Date | 2018-08-24 |
| Paper # | R2018-28,EMD2018-31,CPM2018-31,OPE2018-58,LQE2018-47 |
| Volume (vol) | vol.118 |
| Number (no) | R-185,EMD-186,CPM-187,OPE-188,LQE-189 |
| Page | pp.pp.57-61(R), pp.57-61(EMD), pp.57-61(CPM), pp.57-61(OPE), pp.57-61(LQE), |
| #Pages | 5 |
| Date of Issue | 2018-08-16 (R, EMD, CPM, OPE, LQE) |