A microwave photon mixing method and system based on local oscillator frequency multiplication
A microwave photonics and frequency mixing technology, applied in the field of optical communication and microwave photonics, can solve the problems of high loss, bulky, small microwave communication bandwidth, etc., to reduce frequency requirements, reduce stray signals, and optimize link structure design Effect
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[0013] The present invention will be further described below in conjunction with the embodiments, drawings and mathematical derivation.
[0014] The system structure of the microwave photon mixing method based on local oscillator frequency doubling in this embodiment is as follows figure 1 shown.
[0015] The laser adopts a distributed feedback laser 1 (RIO, ORION), which outputs a continuous optical carrier with a center frequency of 1550.09nm, a power of 17.6dBm, and a line width of 500kHz. The optical carrier enters the dual-polarization dual-parallel Mach-Zehnder modulator 4 (Fujitsu, FTM7977HQA) after passing through the pre-polarization controller 2. The pre-polarization controller 2 is used to adjust the polarization direction of the optical carrier to align it with the dual-polarization dual The slow axis of the Mach-Zehnder modulator 4 is parallelized for maximum power output. The dual-polarization dual-parallel Mach-Zehnder modulator consists of a first dual-parall...
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