Optical frequency comb generator based on silicon nitride

An optical frequency comb and silicon nitride technology, which is applied to the structure/shape of optical resonators, can solve the problems of complex system and high loss of optical frequency comb generator, and achieve the effect of low loss, small size and good constraint.

Pending Publication Date: 2019-05-31
深圳市硅光半导体科技有限公司
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Problems solved by technology

[0005] In order to solve the problems of high loss and complex system of the optical frequency comb generator in the prior art, the present invention provides a silicon nitride-based optical frequency comb generator with low power consumption and simplified system

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  • Optical frequency comb generator based on silicon nitride
  • Optical frequency comb generator based on silicon nitride
  • Optical frequency comb generator based on silicon nitride

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 and Figure 6 , an embodiment of the present invention, a silicon nitride-based optical frequency comb generator 1, comprising: a reflective mirror 10, a gain medium 20, a filter 30, a generator 40 for generating an optical frequency comb, and Both the gain medium 20 and the filter 30 are connected to a controller 50 .

[0033] Wherein, the gain medium 20 and the filter 30 can be connected to ...

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Abstract

The invention provides an optical frequency comb generator based on silicon nitride. The optical frequency comb generator comprises a reflector surface, a gain medium, a filter, a generator, and a controller which are arranged successively, wherein the generator is used for generating an optical frequency comb; the controller is connected to the gain medium and the filter; the reflector surface isused for reflecting laser light from a pumping source; the gain medium is used for amplifying the reflected laser light; the filter outputs the laser light to the generator; and the generator is a silicon nitride device. The optical frequency comb generator based on silicon nitride can greatly simplify the system complexity of the optical frequency comb and reduce the cost by using a silicon nitride chip.

Description

technical field [0001] The invention relates to an optical frequency comb generator, in particular to an optical frequency comb generator based on silicon nitride. Background technique [0002] An optical frequency comb (OFC) refers to a spectrum composed of a series of frequency components that are evenly spaced and have a coherent and stable phase relationship on the spectrum. With the rapid development of optical communication technology, OFC has attracted more and more scholars' attention due to its wide application in the fields of optical arbitrary waveform generation, multi-wavelength ultrashort pulse generation and dense wavelength division multiplexing. [0003] In principle, an optical frequency comb behaves as an optical frequency sequence with equal frequency intervals in the frequency domain, and as an electromagnetic field oscillation envelope with a femtosecond time width in the time domain. The time width of the slowly varying envelope satisfies the Fourier ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/08
Inventor 吴兴宇
Owner 深圳市硅光半导体科技有限公司
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