Phase-sensitive optical parameter amplifier and operation method thereof

An optical parameter and phase-sensitive technology, applied in optics, nonlinear optics, instruments, etc., can solve problems such as insufficient suppression, and achieve the effect of easy promotion and use, simple structure, and suppression of signal phase noise

Pending Publication Date: 2018-12-18
NO 34 RES INST OF CHINA ELECTRONICS TECH GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this requires a large signal power to reach the gain saturation state, and it is not yet possible to fully suppress the conversion of phase noise and amplitude noise in the small signal state

Method used

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  • Phase-sensitive optical parameter amplifier and operation method thereof
  • Phase-sensitive optical parameter amplifier and operation method thereof
  • Phase-sensitive optical parameter amplifier and operation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] Phase Sensitive Optical Parametric Amplifier Embodiment

[0038] The phase-sensitive optical parametric amplifier embodiment such as figure 1 As shown, it includes first and second pump lasers (not shown in the figure), silicon-based waveguide 2 , polarization controller 3 , polarization beam splitter 4 , mirror group 5 and optical filter 6 . In this example, the wave numbers of the signal light received by the amplifier, the first pump light, and the second pump light satisfy the vector triangle relationship, and the propagation direction of each light beam is the light vector direction, and the three beams satisfy k s =(k p1 +k p2 ) / 2), k s ,k p1 and k p2 represent the wave numbers of the signal light, the first pumping light, and the second pumping light respectively; the three beams of light 1 are connected together to a silicon-based waveguide 2 of a third-order nonlinear dielectric device.

[0039] In this example, the wavelength of the signal light received...

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PUM

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Abstract

The invention discloses a phase-sensitive optical parameter amplifier and an operation method thereof. The wave numbers of three light beams, including received signal light, first pump light and second pump light meet a vector triangle relationship, wherein the first pump light and the second pump light are emitted from a local laser source; three beams of light are accessed into a three-order nonlinear medium device to generate a degeneracy four-wave mixing effect; the light beam emitted from the three-order nonlinear medium device is accessed into a polarization controller to control polarization components in X and Y directions to be converted to form an angle of 45 degrees with a polarized light beam splitter; polarized light in the X and Y directions of the polarized light beam splitter are reflected by a reflecting mirror group for multiple times to enter the polarized light beam splitter to be subjected to beam combination; and after combined beam light passes through an optical filter to serve as the output of the amplifier. By use of the amplifier, the signal light of which the power is smaller than pump light for more than two orders of magnitude is effectively amplified, signal phase noise is inhibited, and no amplitude noise is introduced. The amplifier has the advantages of simple structure, low cost and small volume, and is easy in popularization and use.

Description

technical field [0001] The invention relates to an optical parameter amplification technology, in particular to a phase-sensitive optical parameter amplifier and its operating method, which are used to realize amplitude amplification and phase regeneration of a phase modulation signal. Background technique [0002] The phase-sensitive optical parametric amplifier (Optical Phase-sensitive Amplifier OPSA) has two characteristics: 1. The quantum limit noise of the amplifier is 0dB; 2. The amplifier can compress the phase of the input signal. These characteristics make the phase-sensitive optical parametric amplifier have unique advantages in the processing of the amplitude regeneration of the phase-modulated optical signal and the processing of the all-optical signal of the phase regeneration. In the research process of phase-sensitive optical parametric amplification, the above two characteristics have been observed in second-order and third-order nonlinear media, among which ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/35G02F1/39
CPCG02F1/3536G02F1/39G02F1/392
Inventor 马拥华孙晖马建军蒋蔚何晓垒陈坚
Owner NO 34 RES INST OF CHINA ELECTRONICS TECH GRP
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