Phase noise characteristics for four-wave transmission in a long-haul interferometric fiber sensing system

W. Chen; Z. Meng; H. Zhou

doi:10.1117/12.968571

7 November 2012 Phase noise characteristics for four-wave transmission in a long-haul interferometric fiber sensing system

W. Chen, Z. Meng, H. Zhou

Author Affiliations +

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 8421AJ (2012) https://doi.org/10.1117/12.968571
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

Phase noise characteristics for four-wave transmission in a long-haul interferometric fiber sensing system are investigated. It is found that the phase noise in the presence and absence of four-wave mixing (FWM) is almost the same, which indicates that the influence of FWM can be negligible. It is due to that the bandwidth of the photodetector used in the fiber sensing system is often narrower than the beat frequency between FWM induced light and signal light, leading the beat noise to be filtered. This noise characteristic is different from that in the fiber communication system and provides guidance for the practical application of the interferometric fiber sensing system.

Citation Download Citation

W. Chen, Z. Meng, and H. Zhou "Phase noise characteristics for four-wave transmission in a long-haul interferometric fiber sensing system", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421AJ (7 November 2012); https://doi.org/10.1117/12.968571

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