Adjustable broadband photonic RF phase shifter based on highly nonlinear fiber loop
A high nonlinearity, fiber loop technology, applied in the field of phase shifters, can solve the problems of bandwidth limitation, narrow phase shift tuning range, etc., achieve wide phase shift range, solve bandwidth limitation and phase shift tuning range, structure simple effect
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[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present invention.
[0018] An adjustable broadband photonic radio frequency phase shifter based on a highly nonlinear optical fiber ring, including a detection signal generation module, a pump light generation module and a phase shifting module. The detection signal generation module includes a first continuous wave laser 1a, the first continuous wave laser 1a is connected with a signal generator 2, the first continuous wave laser 1a generates an optical carrier s...
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