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Gapless tunable intense terahertz pulse generation in strained diamond

Year: 2026
Type: article
Abstract: We demonstrate collinear phase matching of transient coherent Stokes Raman scattering (CSRS) in strained diamond, enabling generation of intense, high-quality, femtosecond THz pulses over a gapless frequency band from 5 to beyond 15 THz. Our experimental results confirm this mechanism, supported by the theoretical calculations that agrees well with measurements. The theoretical model also provides a clear picture on how the input pulses should be adjusted to optimize the THz output from a diamond of given length.
DOI: 10.1038/s41377-025-02092-6
Authors: Yudan Su, Yuxuan Wei, Chaonan Lin, Li Huang, Jiaming Le, Chong-xin Shan, A. H. Kung, Chuanshan Tian, Y. Ron Shen
Institutions: Fudan University, Shanghai Zhangjiang Laboratory, State Key Laboratory of Surface Physics, Zhangjiang Laboratory, University of California, Berkeley, Zhengzhou University, Henan Academy of Sciences
Language: English
Open Access status: gold
Estimated APC paid: $4,190
Awards: G1741604696, G6914061552, G7549933304, G7925209458, G8484743343, G8950062681
OpenAlex ID: W7143918973
FWCI: 1.692
Cites: 25
Cited by: 1
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