Polarization Modulation Instability in All-Normal Dispersion Microstructured Optical Fibers With Quasi-Continuous Pump

IEEE Photonics Journal

Abraham Loredo-Trejo¹  Antonio Diez¹  Miguel V. Andres¹  Julian M. Estudillo-Ayala²  Lorena Velazquez-Ibarra²  Enrique Silvestre³  Yanelis Lopez-Dieguez³ 

[1] Departamento de F&x00ED;ICMUV, Universidad de Valencia, Burjassot, Spain;sica Aplicada y Electromagnetismo&x2014;

关键词: Microstructured optical fibers;    Chromatic dispersion;    Fiber nonlinear optics;    Four-wave mixing;    Optical polarization;   

DOI  :  10.1109/JPHOT.2019.2944063

来源: DOAJ

【 摘 要 】

We report the experimental observation of the polarization modulation instability (PMI) effect in all-normal dispersion (ANDi) microstructured optical fibers (MOFs) with quasi-continuous pumping. The small unintentional birefringence (~10^-5), that any realistic non-polarization maintaining MOF exhibits, contributes to this nonlinear effect. PMI can produce two sidebands whose polarization state is orthogonal to the polarization of the pump. In this work, only one type of PMI process is observed, i.e., when the pump is polarized along the slow axis of the fiber and sidebands are generated in the fast axis mode. This PMI process was studied experimentally in two ANDi fibers with different dispersion features and pumped with long (700 ps) pump pulses at 1064 nm. Experimental results are compared with theoretical calculations, with reasonably good agreement.

【 授权许可】

Unknown