Ultra-flat tunable multicarrier generating device

Abstract

The invention discloses an ultra-flat tunable multi-carrier generating device, and belongs to the field of optical fiber communication and signal processing. The device comprises a laser, a millimeter wave local oscillator source, a Mach-Zehnder modulator, a phase modulator, an optical circulator, an all-fiber acousto-optic tunable filter based on a fiber stacked gate and a fiber amplifier, and the specific connection mode is that the output end of the laser is connected with the optical input end of the Mach-Zehnder modulator; the millimeter wave local oscillator source is connected with an electric input end of the Mach-Zehnder modulator, an output end of the Mach-Zehnder modulator is connected with an optical input end of the phase modulator, an optical output end of the phase modulator is connected with a port 1 of the optical circulator, the all-fiber acousto-optic tunable filter based on the optical fiber stacked gate is connected with a port 2 of the optical circulator, and a port 3 of the optical circulator is connected with the optical fiber amplifier; and the all-fiber type acousto-optic tunable filter based on the optical fiber stacked gate is composed of a signal generator, a piezoelectric ceramic piece, a glass cone and the optical fiber stacked gate.

Description

technical field [0001] The invention relates to an ultra-flat tunable multi-carrier generating device, which belongs to the fields of optical fiber communication, microwave photon and signal processing. Background technique [0002] The rapid development of new ultra-broadband multimedia services such as artificial intelligence, telemedicine, online education, video conferencing, augmented reality, and ultra-high-definition 4K video, as well as the continuous improvement of mobile application platforms relying on high-speed wireless terminals, such as mobile video live broadcast, cloud services, and unmanned driving. The emergence of the Internet has caused human society's demand for information transmission bandwidth to increase at an alarming rate, which in turn has led to a rapid increase in the communication capacity of wired and wireless access networks. In 5G and next-generation communication systems, in order to improve the utilization efficiency of the communication ...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the problems of complex generation technology, high cost and low energy utilization rate of ultra-flat and tunable multi-carrier signals, and make full use of the all-fiber acousto-optic tunable filter To provide an ultra-flat tunable multi-carrier generating device, to realize ultra-flat multi-carrier generation with tunable carrier power and number

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