High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm
Intrapulse difference-frequency generation (IPDFG) is a relatively simple technique to produce few-cycle mid-infrared (MIR) radiations. The conversion efficiency of IPDFG could be potentially improved by using the long driving wavelength to reduce the quantum defect. In this paper, we report a high-...
| Main Authors: | , , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2022
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| Online Access: | https://hdl.handle.net/10356/161853 |
| _version_ | 1826127506151833600 |
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| author | Liu, Kun Liang, Houkun Qu, Shizhen Li, Wenkai Zou, Xiao Zhang, Ying Wang, Qi Jie |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Liu, Kun Liang, Houkun Qu, Shizhen Li, Wenkai Zou, Xiao Zhang, Ying Wang, Qi Jie |
| author_sort | Liu, Kun |
| collection | NTU |
| description | Intrapulse difference-frequency generation (IPDFG) is a relatively simple technique to produce few-cycle mid-infrared (MIR) radiations. The conversion efficiency of IPDFG could be potentially improved by using the long driving wavelength to reduce the quantum defect. In this paper, we report a high-energy MIR IPDFG source with a record-high conversion efficiency of up to 5.3%, driven by 3 µm, 35 fs, 10 kHz pulses. The IPDFG output has a 5 µJ pulse energy and 50 mW average power. It spans over a spectral range from 6 to 13.2 µm. A 68 fs of IPDFG pulse width is measured, corresponding to 2.1 cycles, centered at 9.7 µm. The high-energy, two-cycle IPDFG pulses are used to produce a 3-octave supercontinuum in a KRS-5 crystal, spanning from 2 to 16 µm, with a 2.4 µJ pulse energy and a 24 mW average power. |
| first_indexed | 2024-10-01T07:09:59Z |
| format | Journal Article |
| id | ntu-10356/161853 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T07:09:59Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1618532022-09-21T08:03:53Z High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm Liu, Kun Liang, Houkun Qu, Shizhen Li, Wenkai Zou, Xiao Zhang, Ying Wang, Qi Jie School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Infrared Devices Difference-Frequency Generation Intrapulse difference-frequency generation (IPDFG) is a relatively simple technique to produce few-cycle mid-infrared (MIR) radiations. The conversion efficiency of IPDFG could be potentially improved by using the long driving wavelength to reduce the quantum defect. In this paper, we report a high-energy MIR IPDFG source with a record-high conversion efficiency of up to 5.3%, driven by 3 µm, 35 fs, 10 kHz pulses. The IPDFG output has a 5 µJ pulse energy and 50 mW average power. It spans over a spectral range from 6 to 13.2 µm. A 68 fs of IPDFG pulse width is measured, corresponding to 2.1 cycles, centered at 9.7 µm. The high-energy, two-cycle IPDFG pulses are used to produce a 3-octave supercontinuum in a KRS-5 crystal, spanning from 2 to 16 µm, with a 2.4 µJ pulse energy and a 24 mW average power. Agency for Science, Technology and Research (A*STAR) Ministry of Education (MOE) Published version Agency for Science, Technology and Research (1426500050, 1426500051, A1890b0049); Ministry of Education - Singapore (MOE 2016-T2-1-128). 2022-09-21T08:03:53Z 2022-09-21T08:03:53Z 2019 Journal Article Liu, K., Liang, H., Qu, S., Li, W., Zou, X., Zhang, Y. & Wang, Q. J. (2019). High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm. Optics Express, 27(26), 37706-37713. https://dx.doi.org/10.1364/OE.27.037706 1094-4087 https://hdl.handle.net/10356/161853 10.1364/OE.27.037706 31878547 2-s2.0-85077214492 26 27 37706 37713 en 1426500050 1426500051 A1890b0049 MOE 2016-T2-1-128 Optics Express © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for noncommercial purposes and appropriate attribution is maintained. All other rights are reserved. application/pdf |
| spellingShingle | Engineering::Electrical and electronic engineering Infrared Devices Difference-Frequency Generation Liu, Kun Liang, Houkun Qu, Shizhen Li, Wenkai Zou, Xiao Zhang, Ying Wang, Qi Jie High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm |
| title | High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm |
| title_full | High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm |
| title_fullStr | High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm |
| title_full_unstemmed | High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm |
| title_short | High-energy mid-infrared intrapulse difference-frequency generation with 5.3% conversion efficiency driven at 3 µm |
| title_sort | high energy mid infrared intrapulse difference frequency generation with 5 3 conversion efficiency driven at 3 µm |
| topic | Engineering::Electrical and electronic engineering Infrared Devices Difference-Frequency Generation |
| url | https://hdl.handle.net/10356/161853 |
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