US 12,445,754 B2
Microwave photon frequency synthesis system and method
Hao Zhang, Chongqing (CN); Xuan Li, Chongqing (CN); Maoxu Wang, Chongqing (CN); Yongchuan Xiao, Chongqing (CN); and Yu Zhang, Chongqing (CN)
Assigned to CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO. 44 RESEARCH INSTITUTE, Chongqing (CN)
Filed by CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO.44 RESEARCH INSTITUTE, Chongqing (CN)
Filed on Sep. 17, 2023, as Appl. No. 18/468,734.
Application 18/468,734 is a continuation of application No. PCT/CN2022/143777, filed on Dec. 30, 2022.
Claims priority of application No. 202211176270.9 (CN), filed on Sep. 26, 2022.
Prior Publication US 2024/0107204 A1, Mar. 28, 2024
Int. Cl. H04Q 11/00 (2006.01); H04B 10/548 (2013.01)
CPC H04Q 11/0005 (2013.01) [H04B 10/548 (2013.01); H04B 2210/006 (2013.01); H04Q 2011/0007 (2013.01); H04Q 2011/0041 (2013.01); H04Q 2011/005 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A microwave photon frequency synthesis system, comprising:
an optical frequency comb module, configured to generate a first optical signal;
an optical frequency multiplication/division module, an input end of the optical frequency multiplication/division module being optically connected with an output end of the optical frequency comb module, and configured to perform frequency multiplication or frequency division processing on a repetition frequency of the first optical signal to obtain and output a second optical signal;
a first optical routing module, an input end of the first optical routing module being optically connected with an output end of the optical frequency multiplication/division module, and configured to switch and select an optical path;
an optical amplitude and phase control module, an optical input end of the optical amplitude and phase control module being optically connected with a first output end of the first optical routing module, and configured to perform amplitude and phase control on an input optical signal;
a second optical routing module, a first input end of the second optical routing module being optically connected with a second output end of the first optical routing module, and a second input end of the second optical routing module being optically connected with an optical output end of the optical amplitude and phase control module, and configured to switch and select the optical path;
a photoelectric conversion module, an input end of the photoelectric conversion module being optically connected with an output end of the second optical routing module, and configured to perform a photoelectric conversion of the input optical signal to obtain and output an electrical signal;
a first electrical filtering module, an input end of the first electrical filtering module being electrically connected with a first output end of the photoelectric conversion module, and configured to perform a filtering and frequency selection processing on an input electrical signal;
an electrical frequency synthesis module, an input end of the electrical frequency synthesis module being electrically connected with an output end of the first electrical filtering module, and configured to perform an electrical frequency synthesis using the input electrical signal as a clock signal or a local oscillator signal;
a second electrical filtering module, an input end of the second electrical filtering module being electrically connected with a first output end of the electrical frequency synthesis module, and configured to perform the filtering and frequency selection processing on the input electrical signal;
a first electrical amplification module, an input end of the first electrical amplification module being electrically connected with an output end of the second electrical filtering module, configured to perform a power amplification processing on the input electrical signal, and outputting a power amplified electrical signal to an electrical input end of the optical amplitude and phase control module;
an electrical routing module, a first input end of the electrical routing module being electrically connected with an second output end of the photoelectric conversion module, and s second input end of the electrical routing module being electrically connected with a second output end of the electrical frequency synthesis module, configured to switch and select the electrical path;
a third electrical filtering module, an input end of the third electrical filtering module being electrically connected with an output end of the electrical routing module, and configured to perform the filtering and frequency selection processing on the input electrical signal; and
a second electrical amplification module, an input end of the second electrical amplification module being electrically connected with an output end of the third electrical filtering module, and configured to perform the power amplification processing on the input electrical signal.