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Order controllable enhanced stimulated Brillouin scattering utilizing cascaded diamond Raman conversion

MetadataDetails
Publication Date2023-02-27
JournalApplied Physics Letters
AuthorsHui Chen, Zhenxu Bai, Yunpeng Cai, Xuezong Yang, Jie Ding
InstitutionsHebei University of Technology, Macquarie University
Citations30

We report on the design and operation of a laser, which outputs wavelengths in the 1.2 and 1.5 μm ranges by leveraging two non-linear processes of stimulated Raman scattering and stimulated Brillouin scattering in diamond. By precisely controlling characteristics of the laser resonator formed around the diamond crystal, we are able to selectively control the onset of each non-linear process so as to tailor laser output characteristics both in way of wavelength and output power. This work demonstrates the high degree of flexibility and power-handling capacity of diamond for wavelength conversion of common laser wavelengths (such as 1064 nm as used in this work) and the generation of a span of discrete wavelengths (with up to eight cascaded orders being demonstrated in this work).

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