Reconfigurable LP11a-LP11b mode rotator and application thereof

A lp11a-lp11b, rotator technology, applied in the field of optical communication, can solve the problem that the mode rotator cannot be reconfigured
CN113376741AActive Publication Date: 2021-09-10UNIV OF ELECTRONIC SCI & TECH OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
UNIV OF ELECTRONIC SCI & TECH OF CHINA
Publication Date
2021-09-10

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Abstract

The invention discloses a reconfigurable LP11a-LP11b mode rotator and application thereof, and is applied to the field of optical communication. Aiming to solve the problem that only fixed mode rotation or mode conversion can be realized in the prior art, the invention realizes reconfigurable conversion between an LP11a mode and an LP11b mode by utilizing waveguide asymmetry caused by a thermo-optic effect. The rotator comprises a dual-mode waveguide and an electrode heater located above the dual-mode waveguide; and the electrode heater applies current, all isotherms distributed in a generated temperature field cut a waveguide core at the same horizontal distance and vertical distance, and mode conversion of the LP11a mode and the LP11b mode is achieved.
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Description

technical field

[0001] The invention belongs to the field of optical communication, in particular to a mode rotator. Background technique

[0002] Due to nonlinear effects, fiber fusing effects, Shannon limit, and the influence of optical amplifier bandwidth, the communication capacity of standard single-mode fiber (SMF) is limited to about 100Tbps. With the rapid development of science and technology, scientists have made full use of information dimensions such as wavelength, polarization, and phase of light to improve communication capacity. In future communication networks, if you want to further increase the communication capacity of optical fibers, you need to develop new dimension. The space division multiplexing (Space Division Multiplex, SDM) technology provides the possibility to increase the communication capacity, and has become a research hotspot in recent years. The space division multiplexing technology is mainly divided into a multiplexing technology based o...

Claims

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