Flexible manufacturing method for long-period fibre gratings with arbitrary index modulation profiles

Author

Otto, Michael ; Michael, Falk ; Duthel, Thomas ; Schäffer, Christian

Author_Institution

Commun. Lab., Dresden Univ. of Technol., Germany

fYear

2002

fDate

2002

Firstpage

6

Lastpage

11

Abstract

Special long-period fibre gratings (LPGs) are needed in multiple applications. For example, LPGs are employed as mode converters in the forward direction to utilise the waveguide dispersion of higher order modes. Other applications are gain flattening of optical amplifiers or filtering in general. In this paper, we propose a flexible manufacturing method for LPGs, which enables the generation of tailored arbitrary index modulation profiles. The results of apodized and chirped gratings are presented, which show the flexibility and reliability of the writing set-up.

Keywords

coupled mode analysis; diffraction gratings; laser materials processing; optical fibre fabrication; apodized gratings; arbitrary index modulation profiles; chirped gratings; filtering; flexible manufacturing method; frequency doubled Ar-ion laser; gain flattening; long-period fibre gratings; mode coupling strength; waveguide dispersion; writing set-up; Fiber gratings; Filtering; Flexible manufacturing systems; Optical amplifiers; Optical fiber filters; Optical filters; Optical modulation; Optical waveguides; Semiconductor optical amplifiers; Stimulated emission;

fLanguage

English

Publisher

ieee

Conference_Titel

Fibre and Optical Passive Components, 2002. Proceedings of 2002 IEEE/LEOS Workshop on

Print_ISBN

0-7803-7556-4

Type

conf

DOI

10.1109/FOPC.2002.1015797

Filename

1015797