Simple and low-cost realization method of low reflective and almost flat 200 GHz multichannel filter over 50 nm with sampled FBG

Author

Durand, O. ; Gohin, E. ; Riant, I.

Author_Institution

Res. & Innovation, Alcatel CIT, Marcoussis, France

fYear

2002

fDate

17-22 Mar 2002

Firstpage

108

Lastpage

110

Abstract

We have proposed a simple and low-cost method for realizing a low reflective and almost flat multichannel filter over 50 nm taking into account the diffraction of UV light. The grid obtained presented a 200 GHz inter-channel spacing but the principle would be also applicable for a 100 GHz grid. Although the reflectivity of such filter is too much small for WDM applications, it could be nevertheless very well suitable for laser tuneability applications where low reflectivity is needed if the sampled FBG is used as one of the cavity mirrors of a fiber laser.

Keywords

Bragg gratings; optical communication equipment; optical fibre fabrication; optical fibre filters; reflectivity; telecommunication channels; wavelength division multiplexing; GHz inter-channel spacing; UV light diffraction; WDM applications; cavity mirrors; fiber laser; flat multichannel filter; low reflective multichannel filter; low reflectivity; low-cost method; reflectivity; sampled FBG; Bragg gratings; Equations; Fiber gratings; Filters; Hydrogen; Optical fiber testing; Optical fibers; Optical refraction; Refractive index; Steady-state;

fLanguage

English

Publisher

ieee

Conference_Titel

Optical Fiber Communication Conference and Exhibit, 2002. OFC 2002

Print_ISBN

1-55752-701-6

Type

conf

DOI

10.1109/OFC.2002.1036238

Filename

1036238