US 12,224,548 B2
Single-photon Raman optical frequency comb source
Chong Wang, Anhui (CN); Haocheng Yang, Anhui (CN); Xianghui Xue, Anhui (CN); Yudie Li, Anhui (CN); and Tingdi Chen, Anhui (CN)
Assigned to UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA, Anhui (CN)
Appl. No. 18/716,704
Filed by UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA, Anhui (CN)
PCT Filed Apr. 21, 2023, PCT No. PCT/CN2023/089740
§ 371(c)(1), (2) Date Jun. 5, 2024,
PCT Pub. No. WO2024/216622, PCT Pub. Date Oct. 24, 2024.
Prior Publication US 2024/0421552 A1, Dec. 19, 2024
Int. Cl. H01S 3/108 (2006.01); H01S 3/00 (2006.01); H01S 3/115 (2006.01); H01S 3/30 (2006.01)
CPC H01S 3/1086 (2013.01) [H01S 3/0078 (2013.01); H01S 3/0085 (2013.01); H01S 3/115 (2013.01); H01S 3/305 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A single-photon Raman optical frequency comb source, comprising:
a light source assembly configured to generate a Raman scattering light;
a filtering mechanism configured to pass a light having a specific wavelength, so as to filter the Raman scattering light and obtain at least three Raman scattering spectral lines;
at least three electro-optical modulators, wherein each electro-optical modulator is configured to modulate a frequency of one Raman scattering spectrum line of the at least three Raman scattering spectrum lines in one-to-one correspondence, so as to cause a frequency shift of the Raman scattering spectrum line;
a wavelength division multiplexer configured to multiplex all modulated Raman scattering spectral lines and output a Raman optical frequency comb; and
a single photon generating mechanism configured to adjust the Raman optical frequency comb to obtain a single-photon Raman optical frequency comb.