Right-angle output double-way inverted optical clock signal generator with photonic crystal T-type waveguide

Abstract

The invention discloses a right-angle output double-way inverted optical clock signal generator with a photonic crystal T-type waveguide. The optical clock signal generator comprises the photonic crystal T-type waveguide with a TE forbidden band and further comprises one input end (1), two output ends (2 and 3), background silicon dielectric cylinders (4), isosceles right triangle defect dielectric cylinders (5), a defect dielectric cylinder (6), an electromagnet (7) providing a bias magnetic field and a rectangular wave current source (9). The left end of the photonic crystal T-type waveguide is the input end (1), the output ends (2 and 3) are located at the right end and the upper end of the photonic crystal T-type waveguide respectively, the defect dielectric cylinder (6) is located in the center intersection position of the T-type waveguide, and the four isosceles right triangle defect dielectric cylinders (5) are located at the four intersecting corners of the T-type waveguide respectively; TE carrier wave light is input through the port (1) of the photonic crystal T-type waveguide, and two ways of optical clock signals opposite in phase are output from the ports (2 and 3). The TE light double-way inverted optical clock signal generator can be obtained efficiently.

Description

technical field [0001] The invention relates to a dual-path anti-phase optical clock signal generator, in particular to a photonic crystal T-shaped waveguide right-angle output dual-channel anti-phase optical clock signal generator. Background technique [0002] The traditional dual-channel optical clock signal generator with adjustable duty cycle and mutual logical negation applies the principle of geometric optics, so the volume is relatively large and cannot be used in optical circuit integration. The combination of magneto-optical materials and new photonic crystals has proposed many photonic devices, the most important property of which is the gyromagnetic non-reciprocity of electromagnetic waves under a bias magnetic field, so that magnetic photonic crystals not only have optical properties, but also have greater Transmission bandwidth and higher propagation efficiency. On the basis of photonic crystals, tiny devices can be fabricated, including dual-channel anti-phas...

AI Technical Summary

Problems solved by technology

[0002] The traditional dual-channel optical clock signal generator with adjustable duty cycle and mutual logical negation applies the principle of geometric optics, so it is relatively large in size and cannot be used in optical circuit integration.

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