6533b85dfe1ef96bd12bf0d4

RESEARCH PRODUCT

Polarization properties of a fiber optic loop mirror

I. Armas-riveraMiguel V. AndrésGeorgina Beltrán-pérezBaldemar Ibarra-escamillaManuel Durán-sánchezL. A. Rodríguez-morales

subject

PhysicsBirefringencebusiness.industryPhysics::Optics02 engineering and technologyPolarization (waves)Rotation01 natural sciencesAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic Materials010309 opticsAzimuthAmplitude modulation020210 optoelectronics & photonicsOpticsReflection (mathematics)Transmission (telecommunications)0103 physical sciences0202 electrical engineering electronic engineering information engineeringFiberElectrical and Electronic Engineeringbusiness

description

Abstract In this work, we present the spectral polarization properties of a fiber optic loop mirror (FOLM) which includes a 50/50 coupler and 25-cm long highly birefringent (hi-bi) fiber. The modulation depth of the reflection/transmission spectra can be adjusted by twisting the hi-bi fiber at the splices by means of two azimuth rotators (AR). The results show that the polarization properties of the reflection strongly depends on the angle rotation. We found that it is possible to obtain reflection spectral polarization independence for any modulation depth with the proper parameters. The experimental behavior was confirmed by numerical simulations based on the Jones matrix formulation.

https://doi.org/10.1016/j.optlastec.2021.107070