Polarization-Sensitive NALM for Two-Level Amplitude Regeneration

Author

Pottiez, Olivier ; Armas-Rivera, I. ; Bracamontes-Rodriguez, Y.E. ; Beltran-Perez, G. ; Duran-Sanchez, M. ; Alvarez-Tamayo, R.I. ; Ibarra-Escamilla, B. ; Kuzin, E.A.

Author_Institution

Centro de Investig. en Opt., Leon, Mexico

Volume

27

Issue

21

fYear

2015

Firstpage

2272

Lastpage

2275

Abstract

We propose and study analytically and numerically a nonlinear amplifying loop mirror scheme for multilevel amplitude regeneration, whose operation relies on the manipulation of light polarization. Polarization control increases the number of degrees of freedom of the setup, making it easier to meet the demanding requirements for regenerating complex modulation formats. By adjusting one of those additional parameters, namely, the ellipticity of input polarization, if all the other ones are properly set and fixed, the transfer characteristic is shaped for optimal two-level amplitude regeneration for two different state power ratios. The cascadability of the proposed scheme is demonstrated for the optical star-8 quadrature amplitude modulation format as an example.

Keywords

light polarisation; mirrors; nonlinear optics; optical modulation; quadrature amplitude modulation; input polarization ellipticity; light polarization control; multilevel amplitude regeneration; nonlinear amplifying loop mirror scheme; optical star-8 quadrature amplitude modulation format; polarization-sensitive NALM; state power ratios; transfer characteristics; two-level amplitude regeneration; Mirrors; Optical fiber amplifiers; Optical fiber polarization; Optical polarization; Optimized production technology; Polarization; Signal to noise ratio; All-optical regeneration; nonlinear amplifying loop mirror (NALM); optical polarization control; quadrature amplitude modulation (QAM);

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2015.2461459

Filename

7169558