Estimation of Kerr Nonlinearity in an Anti-resonant Hollow-Core Fiber by High-order QAM Transmission
Dawei Ge, Shoufei Gao, Mingqing Zuo, Yuyang Gao, Yinging Wang, Baoluo Yan, Bing Ye, Dechao Zhang, Wei Ding, Han Li, Zhangyuan Chen
Abstract
We propose a novel technique to measure Kerr nonlinearity in a hollow-core fiber based on nonlinear phase shift estimation by high-order QAM transmission. The measured n 2 ,Kerr of the NANF-5 medium is <2.20×10 -23 m 2 /W.
Topics & Concepts
QAMQuadrature amplitude modulationCore (optical fiber)Transmission (telecommunications)Cross-phase modulationNonlinear systemKerr effectKerr nonlinearityOpticsPolarization-division multiplexingPhysicsTelecommunicationsMaterials scienceComputer sciencePhase modulationBit error rateWavelength-division multiplexingPhase noiseQuantum mechanicsDecoding methodsWavelengthOptical Network TechnologiesPhotonic Crystal and Fiber OpticsAdvanced Fiber Laser Technologies