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A photoelectric oscillator

A photoelectric oscillator and photoelectric oscillation technology, which is applied to lasers, laser components, circuits, etc., to achieve the effects of simple structure, improved work efficiency, and increased output capacity

Active Publication Date: 2015-11-18
上海航天空间技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Patents (photoelectric oscillator with optical resonator, publication number: CN1338135A; broadband frequency tunable photoelectric oscillator, publication number: CN102163795A; photoelectric oscillator with active semiconductor resonator, publication number: CN102163801A) all use photoelectric simultaneous output structure, but no multi-wavelength laser is used as the optical signal for oscillation, and there is only one channel at the optical output port

Method used

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  • A photoelectric oscillator
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  • A photoelectric oscillator

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Such as figure 1 As shown, an optoelectronic oscillator is used for simultaneous optoelectronic oscillation of multi-wavelength lasers, including an electro-optic modulator 1, an optical amplifier 2, a beam splitter 3, a photoelectric converter 4, a microwave amplifier 5, a filter 6 and a second wave Demultiplexer 8; wherein:

[0038] The electro-optic modulator 1, the optical amplifier 2, the optical splitter 3, the photoelectric converter 4, the microwave amplifier 5 and the filter 6 are sequentially connected, and the filter 6 is connected to the electro-optic modulator 1 to form a loop; The main structure of the photoelectric oscillator in the example; the optical splitter 3 is connected with the second wavelength division multiplexer 8.

[0039] The multi-wavelength laser source 7 emits an original laser, which is amplified by the electro-optic modulator 1 and connected to the optical amplifier 2; then the amplified laser is divided into two laser beams by the bea...

Embodiment 2

[0048] Such as image 3 As shown, an optoelectronic oscillator is used for simultaneous optoelectronic oscillation of multi-wavelength lasers, including electro-optic modulator 1, optical amplifier 2, filter 6, optical splitter 3, photoelectric converter 4, microwave amplifier 5 and a second wave Demultiplexer 8; wherein:

[0049] The electro-optic modulator 1, the optical amplifier 2, the filter 6, the optical splitter 3, the photoelectric converter 4 and the microwave amplifier 5 are sequentially connected, and the microwave amplifier 5 is connected to the electro-optic modulator 1 to form a loop; The main structure of the photoelectric oscillator in the example; the optical splitter 3 is connected with the second wavelength division multiplexer 8.

[0050] The multi-wavelength laser source 7 emits an original laser, and the original laser is amplified through the electro-optic modulator 1 and connected to the optical amplifier 2; the amplified laser is connected to the fil...

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Abstract

The invention provides a photoelectric oscillator. The photoelectric oscillator is used for carrying out photoelectric oscillation on multi-wavelength lasers, and comprises an electrooptical modulator, an optical amplifier, an optical splitter, a photoelectric converter, a microwave amplifier and a filter, the electrooptical modulator, the optical amplifier, the optical splitter, the photoelectric converter, the microwave amplifier and the filter form a loop, and the loop is the main structure of the photoelectric oscillator. The photoelectric oscillator has the advantages that the multi-wavelength lasers are made to simultaneously participate in the photoelectric oscillation, the working efficiency of the photoelectric oscillator is greatly improved, and the lasers can form high-quality microwave signals through multiple times of oscillation in a photoelectric hybrid loop circuit; based on a wavelength-division multiplexing technology, the lasers which are loaded with the microwave signals and have different wavelengths are simultaneously output through multiple channels, and the output capacity of the photoelectric oscillator is greatly improved; the photoelectric oscillator is simple in structure, and a traditional photoelectric oscillator only needs to be simply adjusted; the photoelectric oscillator has a large channel capacity, and is suitable for the field of optical phased array radar, radio over fiber and microwave photonics.

Description

technical field [0001] The invention belongs to the technical field of microwave photon photoelectric oscillators, and in particular relates to a photoelectric oscillator. Background technique [0002] The optoelectronic oscillator can be used as a high-quality microwave source, and it has applications in the fields of optically controlled phased array radar, radio-over-fiber (ROF, Radio-over-fiber) and microwave photonics. [0003] In the optoelectronic oscillator structure, a single wavelength of laser light is usually used as the light source, and microwave power divider is used to realize microwave output after photoelectric conversion (see patent: Broadband continuous tunable optoelectronic oscillator based on stimulated Brillouin scattering effect, published No.: CN102751644A). [0004] The patent (a frequency broadband tunable optoelectronic oscillator based on laser wavelength adjustment, publication number: CN102368582A) uses tunable laser to realize the optoelectr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/10H01S5/06
Inventor 李曙光薛峰姜伟王少刚
Owner 上海航天空间技术有限公司