Photoelectric conversion module relative intensity noise test device and test method
A photoelectric conversion module, relative intensity noise technology, applied in electrical components, electromagnetic wave transmission systems, transmission systems, etc., can solve problems such as inconvenient wiring and complex data analysis, and achieve the effect of improving work efficiency
Active Publication Date: 2016-01-20
JIANGSU ALLRAY
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Problems solved by technology
[0006] In view of this, in order to overcome the problems of inconvenient wiring and complicated data analysis of the relative intensity noise test method of the photoelectric conversion module in the prior art, the present invention provides a test device and test method for the relative intensity noise of the photoelectric conversion module, which are relatively simple to use Advanced instruments and equipment combined with the RIN calculation module of Agilent's eye diagram instrument test the RIN index of the laser in the photoelectric conversion module, providing an accurate judgment basis for the development and design evaluation of new products
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[0030] Below in conjunction with embodiment the present invention will be further described.
[0031] figure 2 The photoelectric conversion module relative intensity noise test device is used to test the laser RIN index of the photoelectric conversion module 4 under test, including: eye diagram instrument 1 with RIN calculation module, bit error meter 2, photoelectric conversion test board 3, 2x2 Optical coupler 5, dual-channel optical power meter 6, optical splitter 7, optical attenuator 8, optical polarizer 9, reflective optical fiber 10;
[0032] The synchronous electrical interface of the BER tester 2 is connected to the synchronous electrical interface of the eye diagram instrument 1 with the RIN calculation module, and the electrical output interface of the BER tester 2 is connected to the electrical signal input interface of the photoelectric conversion test board 3 through a high-speed coaxial cable. The electrical input interface is connected to the electrical outpu...
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The invention discloses a photoelectric conversion module relative intensity noise (RIN) test device and test method, comprising employing an electric signal supply module to supply high speed signals for a photoelectric conversion module to be detected; utilizing a reflection module to form reflected light to interfere the photoelectric conversion module to be detected; utilizing an optical power calculation and display module to control reflected light signal attenuation according to the power difference standard between the emission light and the reflected light of the photoelectric conversion module to be detected; providing required reflection interference light signals for the photoelectric conversion module to be detected; utilizing an optical eye pattern display module to display the emission light eye pattern of the photoelectric conversion module after reflected light interference; and selecting a worst value among the jitter values of the eye patterns in the eye pattern display module as a sampling eye pattern to calculate an RIN index. The test device and test method solve the problems of inconvenient wiring and complex data analysis of a current photoelectric conversion module RIN test method, thereby conveniently and visually obtaining the RIN index of the photoelectric conversion module to be detected.
Description
technical field [0001] The present invention relates to the field of photoelectric conversion module testing and engineering testing and evaluation in the field of optical communication, in particular to a test device and method for testing relative intensity noise of a photoelectric conversion module, where the relative intensity noise of a photoelectric conversion module refers to the The relative intensity noise of the laser. Background technique [0002] The laser relative intensity noise (RelativeIntensityNoise, RIN) index of the photoelectric conversion module reflects the noise limit that the laser in the photoelectric conversion module can tolerate. With the rapid development of the optical communication industry, the bandwidth requirements for photoelectric conversion modules are getting higher and higher. The gigabit photoelectric conversion module is upgraded to the 10 gigabit photoelectric conversion module, and the 40Gbit and 100Gbit photoelectric conversion mo...
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IPC IPC(8): H04B10/071
Inventor 于佩周赤
Owner JIANGSU ALLRAY
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