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electro-optic modulator

A technology of electro-optical modulator and optical resonator, applied in instruments, optics, nonlinear optics, etc., can solve the problem of high absorption loss and achieve the effect of avoiding additional attenuation

Active Publication Date: 2016-05-04
シコヤゲーエムベーハー
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the configuration of the doped region inside the waveguide core, the absorption loss is relatively high, so it can only be configured as lightly doped

Method used

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Examples

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Embodiment Construction

[0031] figure 1 An electro-optic modulator 10 is shown, comprising a resonator 20 . The resonance boundary of the resonator 20 is formed by two mirror parts 21 and 22 . In this resonator 20 and between the two mirror parts 21 and 22 there is an optical waveguide 23 which guides optical radiation incident with amplitude Pe in the longitudinal direction of the resonator 20 .

[0032] exist figure 1 , it can be seen that a standing wave of light is formed in the resonator 20 . The maximum value of this light wave is at figure 1 is visualized in an ellipse, which is indicated by marker 24 .

[0033] Five diodes indicated by reference 30 are arranged in the resonator 20 . Each of the diodes comprises a p-doped semiconductor part, indicated by reference 33, and an n-doped semiconductor part, indicated by reference 34, respectively.

[0034] The diode 30 is electrically connected in parallel and is connected to the two contact terminals 50 and 51 via the comb-shaped conductor t...

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Abstract

The invention relates to an electro-optic modulator (10) for modulating optical radiation of a predetermined wavelength, wherein the electro-optic modulator (10) has at least one optical resonator (20), in which the optical resonator (20) can be The predetermined wavelengths form standing light waves. According to the invention, it is provided that in the resonator at least two doped semiconductor parts (33, 34) are arranged - as viewed in the longitudinal direction of the resonator - which are spaced apart from each other and the at least two doped semiconductor parts Parts are each located locally in the intensity minimum of the standing light wave.

Description

technical field [0001] The present invention relates to electro-optic modulators. The electro-optic modulator is used for modulating optical radiation at a predetermined wavelength, the electro-optic modulator having at least one optical resonator in which a standing optical wave can be formed at the predetermined wavelength. Background technique [0002] In the context of the following description, the term "light" will be used to mean any optical radiation, irrespective of whether it is visible to humans or not. The term "light" or "optical radiation" thus includes, for example, ultraviolet radiation or infrared radiation. The same applies for the term "optical waveguide", which means a waveguide for optical radiation. [0003] There are many fields of application for modulating optical signals connected to waveguides, for example in communication, sensor technology, image transmission, etc. In particular electro-optic modulators integrated in semiconductor materials (e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/225G02F1/025
CPCG02F1/025G02F2203/15G02F1/2257G02F1/0152G02F1/0155G02F1/213G02F1/015G02F1/218
Inventor 斯特凡·梅斯特奥斯·阿尔-萨阿迪汉斯·约阿希姆·埃希勒比伦特·弗兰克拉尔斯·齐默尔曼伯恩特·蒂利亚克
Owner シコヤゲーエムベーハー