Narrowband pulse-enhanced upconversion of chirped broadband pulses

We propose and demonstrate an efficient sum-frequency mixing scheme based on narrowband and chirped broadband pulses. It combines the advantages of wider spectral acceptance bandwidth and of alleviating the temporal walk-off, which are both beneficial to higher conversion efficiency. Chirped sum-fre...

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Bibliographic Details
Published in:Journal of optics (2010) 2010-03, Vol.12 (3), p.035206-035206
Main Authors: Zhao, Kun, Yuan, Peng, Zhong, Haizhe, Zhang, Dongfang, Zhu, Heyuan, Chen, Liezun, Wen, Shuangchun, Qian, Liejia
Format: Article
Language:English
Subjects:
Broadband
Compressed
Conversion
Exact sciences and technology
Femtosecond pulses
Frequency conversion
harmonic generation, including high-order harmonic generation
Fundamental areas of phenomenology (including applications)
Narrowband
Nonlinear optics
Optics
Physics
Spectra
Temporal logic
Ultrafast processes
optical pulse generation and pulse compression
Upconversion
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Summary:We propose and demonstrate an efficient sum-frequency mixing scheme based on narrowband and chirped broadband pulses. It combines the advantages of wider spectral acceptance bandwidth and of alleviating the temporal walk-off, which are both beneficial to higher conversion efficiency. Chirped sum-frequency pulses at 455 nm with energy up to 360 mu J, corresponding to a conversion efficiency of ~ 40%, are obtained and the pulses can be compressed to ~ 110 fs. The sum-frequency mixing scheme may provide a promising route to the efficient generation of deep-ultraviolet femtosecond pulses.
ISSN:2040-8986
2040-8978
2040-8986
DOI:10.1088/2040-8978/12/3/035206