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A Waveguide Adjustable Analyzer

A polarizer and waveguide technology applied in the field of integrated photonics to achieve the effects of low wavelength dependence, easy design and manufacture, and simple structure

Inactive Publication Date: 2018-02-23
HUNAN NORMAL UNIVERSITY
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  • A Waveguide Adjustable Analyzer
  • A Waveguide Adjustable Analyzer
  • A Waveguide Adjustable Analyzer

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings. Usually, the communication window in an optical communication system is near-infrared light. Here, it is assumed that the working wavelength of the optical signal is 1.55 μm. Such as figure 1 As shown, the waveguide core material 5 is polysulfone doped with ICP-E, and its refractive index is 1.67; the lower cladding material 4 is polymer material UV158, and its refractive index is 1.50; the upper cladding material 6 is polymer material PMMA , whose refractive index is 1.48; the upper cladding material 7 is liquid crystal E7, whose refractive indices corresponding to ordinary light and extraordinary light are 1.50 and 1.685, respectively. Its waveguide core thickness , ridge height and width They are 1.0 μm, 0.8 μm, and 5.0 μm, respectively.

[0021] Here, the beam propagation method (BPM) is used to simulate the optical performance of the waveguide adjustable pol...

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Abstract

A waveguide type adjustable polarizer belongs to the technical field of integrated photonic devices. The waveguide-type adjustable analyzer adopts organic polymer materials and liquid crystal materials with large birefringence difference, so that different polarization optical signals have different leakage losses during waveguide transmission, thereby completing the polarization analysis of TE wave optical signals. By applying a regulating voltage to the electrodes, the electro-optic effect is used to regulate the crystal axis orientation of the liquid crystal, thereby realizing the polarization analysis of the TM wave optical signal. The device can realize online polarization detection for different polarized light signals, and has many advantages such as simple structure, easy design and manufacture, low wavelength dependence, and easy regulation, and has broad application prospects in integrated photonic systems.

Description

technical field [0001] The invention belongs to the field of integrated photonics, relates to an optical waveguide functional device, and specifically refers to an adjustable polarization analyzer based on electro-optic effect. Background technique [0002] Optical waveguide functional devices are unit devices in integrated photonic systems. Due to their compact structure, easy integration, and stable performance, they have attracted extensive attention and attention from researchers at home and abroad, and have developed rapidly in recent years. Optical waveguide functional devices can be integrated in different ways to realize integrated photonic systems with corresponding optical information processing functions. They are widely used in optical communication, optical signal processing, sensing and other fields. [0003] Waveguide polarization functional devices are indispensable core components in integrated photonic systems, including analyzers, polarization splitters an...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01J4/00
CPCG01J4/00G01J4/04
Inventor 唐雄贵赵娉王亚新梁珊陈明郑之伟周慧
Owner HUNAN NORMAL UNIVERSITY
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