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A Plenoptic Sampler Based on Phase-shifted Fiber Bragg Grating Fiber Loop Mirror

A phase-shifting fiber grating and fiber loop mirror technology, applied in the field of optoelectronic information, can solve problems such as long-term response, large time jitter, wide pulse width, etc., and achieve the effects of easy integration, elimination of polarization effects, and improvement of threshold power.

Inactive Publication Date: 2017-01-25
李舒琴
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the disadvantages of wide pulse width, large time jitter and long time response in the existing electric field sampling electric pulse, the present invention provides an all-optical sampling based on phase-shifted fiber Bragg grating fiber loop mirror

Method used

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  • A Plenoptic Sampler Based on Phase-shifted Fiber Bragg Grating Fiber Loop Mirror
  • A Plenoptic Sampler Based on Phase-shifted Fiber Bragg Grating Fiber Loop Mirror
  • A Plenoptic Sampler Based on Phase-shifted Fiber Bragg Grating Fiber Loop Mirror

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Embodiment Construction

[0027] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] like figure 1 As shown, this embodiment includes a first polarization controller 1, a first bandpass filter 2, a first optical isolator 3, a four-port coupler 4, and a first wavelength division A multiplexer 5 , a second polarization controller 6 , a second wavelength division multiplexer 7 , a phase shift fiber grating 8 , a second optical isolator 9 , and a second bandpass filter 10 . The input sampling clock signal rate is 20Gbit / s, the signal wavelength is 1550nm, and the analog signal wavelength is 1310nm1530nm-1570nm.

[0029] The input sampling clock signal source is connected to the first port a1 of the first polarization controller 1, the second port a2 of the first polarization controller 1 is connected to the first port b1 of the first bandpass filter 2, and the first bandpass filter The second port b2 of the pass filt...

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Abstract

The invention discloses an all-optical sampler based on a phase-shifted fiber grating fiber loop mirror. An input sampled clock signal source is connected through a first polarization controller, a first band-pass filter and a first optical isolator; the second port of the first optical isolator is connected with the first port of a four-port coupler; the second port of the four-port coupler is connected with the second port of a first wavelength division multiplexer; an analog signal is input from the first port of the first wavelength division multiplexer; the first wavelength division multiplexer is connected with a second wavelength division multiplexer through a second polarization controller; the analog signal is output from the third port of the second wavelength division multiplexer; the second wavelength division multiplexer is connected with the third port of the four-port coupler through a phase-shifted fiber grating; the fourth port of the four-port coupler is connected with the first port of a second optical isolator; the second port of the second optical isolator is connected with the first port of a second band-pass filter; and a sampled discrete signal is output from the second port of the second band-pass filter.

Description

technical field [0001] The invention belongs to the technical field of optoelectronic information, and in particular relates to an all-optical sampler based on a phase shift fiber grating fiber loop mirror. Background technique [0002] With the rapid development of communication technology, all-optical sampling plays an increasingly important role in the field of optical communication technology. All-optical sampling is the first step in converting analog signals to digital signals, and is the basis of digital communication and digital signal processing. Sampling implemented in the electrical domain will encounter an electronic bottleneck for ultra-high-rate sampling due to the limitation of processor processing speed. The existing electrical domain sampling electrical pulses have disadvantages such as wide pulse width, large time jitter and long time response. Contents of the invention [0003] Aiming at the disadvantages of wide pulse width, large time jitter and long...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/25G02B6/293G02B6/27
Inventor 李舒琴
Owner 李舒琴
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