Presentation | 2012-01-26 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, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(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/cm^2, and the lasing wavelength dependence on temperature was about 0.4 nm/K. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | quantum cascade laser / QCL / vertical-transition / diagonal-transition / DFB / Mid-IR |
Paper # | PN2011-50,OPE2011-166,LQE2011-152,EST2011-100,MWP2011-68 |
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Conference Information | |
Committee | EST |
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Conference Date | 2012/1/19(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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Paper Information | |
Registration To | Electronic Simulation Technology (EST) |
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Language | JPN |
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 |
1st Author's Name | Jun-ichi Hashimoto |
1st Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD.() |
2nd Author's Name | Yukihiro Tsuji |
2nd Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
3rd Author's Name | Hiroshi Inada |
3rd Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
4th Author's Name | Takamitsu Miura |
4th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
5th Author's Name | Makoto Murata |
5th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
6th Author's Name | Hiroyuki Yoshinaga |
6th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
7th Author's Name | Hideki Yagi |
7th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
8th Author's Name | Takashi Kato |
8th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
9th Author's Name | Michio Murata |
9th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
10th Author's Name | Tsukuru Katsuyama |
10th Author's Affiliation | Transmission Devices R&D Laboratories, Sumitomo Electric Industries, LTD. |
Date | 2012-01-26 |
Paper # | PN2011-50,OPE2011-166,LQE2011-152,EST2011-100,MWP2011-68 |
Volume (vol) | vol.111 |
Number (no) | 415 |
Page | pp.pp.- |
#Pages | 5 |
Date of Issue |