Mach-Zehnder modulator based on photonic crystal and nanowire waveguide
A photonic crystal, Zendel-type technology, applied in instruments, optics, nonlinear optics, etc., can solve the problems of large device size, mode mismatch, high loss, etc., and achieve low insertion loss, good performance, and low loss.
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[0024] The present invention will be further explained in detail below in conjunction with the drawings and specific embodiments, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments.
[0025] Such as figure 1 As shown, the present invention relates to a Mach-Zehnder modulator based on photonic crystals and nanowire waveguides, which mainly includes a photonic crystal multimode interference coupling demultiplexing module, a photonic crystal slab waveguide phase modulation module, and a photonic crystal multimode interference connected in sequence. There are three parts of the coupling multiplexing module. The photonic crystal multimode interference coupling demultiplexing module includes a first two-dimensional triangular lattice photonic crystal multimode interference coupler 1, and the photonic crystal multimode interference coupling multiplexing module includes a second two-dimensional triangular crystal. Latt...
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