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Optoelectronic oscillator

An optoelectronic oscillator, optoelectronic technology, applied in solid-state lasers and other directions, can solve the problems of oscillation frequency offset, low phase noise single-mode output is difficult to achieve, etc., to achieve stable oscillation frequency, ensure low phase noise performance, and avoid parasitic effects. Effect

Active Publication Date: 2015-07-08
台晶(重庆)电子有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a photoelectric oscillator to solve the technical problems that the existing photoelectric oscillator has low phase noise single-mode output, which is difficult to realize and the oscillation frequency shifts due to environmental interference.

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Embodiment Construction

[0034] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways defined and covered by the claims.

[0035] The present invention aims to provide a photoelectric oscillator capable of realizing low-phase-noise single-mode stable output of microwave oscillating signals, which is realized by combining injection phase-locking and pilot frequency control technologies. Specifically, side-mode suppression is realized by using injection phase-locking. To ensure single-mode output, pilot frequency control technology is used to overcome the influence of the environment on the photoelectric oscillator to achieve stable output.

[0036] refer to figure 1 , the preferred embodiment of the present invention provides an optoelectronic oscillator, including a laser 10 for outputting an optical carrier, the laser 10 is connected to an optoelectronic loop 20 for fo...

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Abstract

The invention discloses an optoelectronic oscillator which comprises a laser device used for outputting optical carriers. The laser device is connected with an optoelectronic circulation circuit for forming an optoelectronic mixing resonant cavity. The optoelectronic oscillator further comprises an injection phase-locking module and a stable control module, the injection phase-locking module is used for injecting a locking signal to the optoelectronic circulation circuit to achieve side-mode suppression, and the stable control module is used for pilot control so as to compensate delay fluctuation of the optoelectronic circulation circuit. The injection phase-locking module is arranged to inject the locking signal to the optoelectronic circulation circuit to achieve side-mode suppression, the stable control module is arranged to extract delay fluctuation of all devices of the optoelectronic circulation circuit and carry out corresponding delay fluctuation compensation, so that the aim of stabilizing oscillation frequency is achieved, and therefore low-phase-noise single-mode stable output of the optoelectronic oscillator is achieved. Due to the fact that pilot control and circulating oscillation locked by injecting the locking signal are carried out in different frequency bands, mutual interference is avoided, and the parasitic effect of control circuit noise on an oscillation signal is effectively avoided.

Description

technical field [0001] The present invention relates to the field of oscillators, in particular to a photoelectric oscillator. Background technique [0002] Opto-electronic Oscillator (OEO) is a new type of oscillator combining microwave and photonic technology. It has received high attention because of its extremely low phase noise in microwave and millimeter wave frequency bands. Electronic warfare, precision measurement and other fields. Compared with the traditional microwave oscillator, OEO has the following advantages: 1. It has extremely low phase noise, and the phase noise does not increase significantly with the increase of the oscillation frequency. Important candidate; 2. It can provide electrical and optical input methods for information systems, and can be applied to various electronic systems, optical communications, and microwave photonics systems; 3. OEO can not only generate oscillation signals, but also achieve phase-locking, multiplication Frequency and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S1/02
Inventor 洪俊姚胜兴李祖林王小虎董海兵
Owner 台晶(重庆)电子有限公司
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