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Mode modulation system and method based on potassium tantalate niobate crystal double-line waveguide

A kind of potassium tantalum niobate and bilinear technology, which is applied in the field of optical functional devices, can solve the problems of large volume of optical system, slow information processing speed, and inability to meet the needs of the development of optoelectronic technology, and achieve stable single-mode and multi-mode output , the effect of good output effect

Pending Publication Date: 2020-04-07
NANKAI UNIV
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Problems solved by technology

[0002] With the development of optical communication, optical information processing and laser technology, the traditional optical system can no longer meet the needs of the development of optoelectronic technology due to its large size and slow information processing speed.

Method used

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  • Mode modulation system and method based on potassium tantalate niobate crystal double-line waveguide
  • Mode modulation system and method based on potassium tantalate niobate crystal double-line waveguide
  • Mode modulation system and method based on potassium tantalate niobate crystal double-line waveguide

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Embodiment Construction

[0024] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0025] A mode modulator system based on bilinear waveguides of potassium tantalum niobate crystals, such as figure 1 As shown, it includes laser light source A, focusing objective lens B, dual-line waveguide mode modulator C, imaging objective lens D, beam quality analyzer E, temperature controller F and high-voltage power supply G;

[0026] The laser light source is used to generate a laser beam polarized in the horizontal direction, and its output end is connected to the focusing objective lens; the output end of the focusing objective lens is connected to a dual-linear waveguide mode modulator for focusing linearly polarized light on The end face of the two-line waveguide; the output end of the two-line waveguide mode modulator is connected with the beam quality analyzer through the imaging objective lens, and is used to image the light derived ...

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Abstract

The invention relates to a mode modulation system and method based on a potassium tantalate niobate crystal double-line waveguide. The mode modulation system is technically characterized by comprisinga laser light source, a focusing objective lens, a double-line waveguide mode modulator, an imaging objective lens, a light beam quality analyzer, a temperature controller and a high-voltage power supply. According to the invention, modulation from TE00 mode output to TE01 mode output and TE02 mode output in the potassium tantalate niobate crystal double-line waveguide can be realized by increasing the external electric field voltage of the double-line waveguide mode modulator.

Description

technical field [0001] The invention belongs to the technical field of optical functional devices, and relates to a mode modulation system and method based on a bilinear waveguide of potassium tantalum niobate crystal. Background technique [0002] With the development of optical communication, optical information processing and laser technology, the traditional optical system can no longer meet the needs of the development of optoelectronic technology due to its large size and slow information processing speed. In 1969, Dr. Miller of Bell Laboratories in the United States proposed the concept of "integrated optics", using a method similar to semiconductor integrated circuits to integrate various optical components on the same "chip" to realize the integration of optical information processing systems , miniaturization and all-optical signal processing. The optical waveguide is the basic component of the integrated optical circuit, and its quality directly affects the perfo...

Claims

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Application Information

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IPC IPC(8): G02F1/035
CPCG02F1/035
Inventor 刘洪亮武鹏飞江晓瑞何珊
Owner NANKAI UNIV
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