A direct modulation multi-channel cooperative reconfigurable microwave photon acquisition chip
A microwave photonic, multi-channel technology, applied in multiplexing communication, wavelength division multiplexing system, electromagnetic wave transmission system, etc., to achieve the effect of reducing the complexity of the system
Active Publication Date: 2022-04-29
SOUTHWEST JIAOTONG UNIV
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Specifically, it consists of two sets of different acquisition channels
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[0024] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific implementation methods.
[0025] A direct modulation multi-channel cooperative reconfigurable microwave photon acquisition chip of the present invention such as figure 1 As shown, it includes two multi-channel MMI splitters 20 , a DML array 30 , multiple 2×1 MMI splitters 40 , multiple microring resonant cavity processing modules 50 , and two N×1 MMI combiners 60 . Specifically, it consists of two groups of different acquisition channels.
[0026] In the first group of acquisition channels, the external light source is input from the injection optical port 10, and is divided into different optical signals by the multi-channel MMI splitter 20, and input to the corresponding multi-channel parallel directly modulated laser array 30, thereby generating multiple coherent optical carriers. Such as figure 2 As shown, in the direct modulation laser, the ...
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The invention discloses a reconfigurable microwave photon acquisition chip with direct modulation and multi-channel coordination. Based on the high-density integration of multi-channel parallel DML, the multi-channel acquisition chip is constructed in a wavelength division multiplexing manner; then, combined with external optical injection locking Obtain multi-channel coherent output wavelengths to realize multi-channel cooperative acquisition; the acquisition channels are divided into two groups, the first group of DML acquisition channels are directly combined and output by the MMI type multiplexer, supporting multi-channel coordinated acquisition; the second group of DML output undertakes on-chip Microring resonant cavity processing module; adjust the filtering characteristics of the microring based on the thermo-optic effect, realize dynamic wavelength channel selection, and support reconfigurable multi-channel acquisition functions. The invention has the advantages of simple realization, intensive multi-channel cooperative acquisition, dynamic reconfiguration, etc., and has important applications in systems such as optical communication and photoelectric signal processing.
Description
technical field [0001] The invention belongs to the field of multi-channel acquisition of analog microwave signals, in particular to a reconfigurable microwave photon acquisition chip with direct modulation multi-channel coordination. Background technique [0002] The multi-channel acquisition and reception of microwave signals occupies an indispensable key position in military and civilian microwave system applications such as radar and wireless communication, involving many key technologies such as channelization, array signal processing, and multiple-input multiple-output (MIMO). With the continuous development and evolution of information technology and the continuous acceleration of the informatization process of weapons and equipment, the integrated microwave system with multi-band, multi-standard, multi-functional, and multi-platform integration has become a key development direction in the military and civilian fields in the future. Space-ground integration, 5G / B5G u...
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IPC IPC(8): H04B10/50H04J14/02
CPCH04B10/504H04J14/0227
Inventor 邹喜华邹放李沛轩刘丰玮潘炜闫连山
Owner SOUTHWEST JIAOTONG UNIV