Optical performance monitor with tunable filter and simultaneous gas cell wavelength reference

Author

Lu, Tongxin ; Yan, Zheng

Author_Institution

Alliance Fiber Opt. Products Inc., Sunnyvale, CA, USA

fYear

2002

fDate

17-22 Mar 2002

Firstpage

752

Lastpage

753

Abstract

A new method of DWDM performance monitor with a tunable filter and a gas cell wavelength reference was demonstrated. With simultaneous scanning and sampling in different FRSs, wavelength, power, and signal-to-noise ratio in a DWDM system can be measured and computed simultaneously and accurately. The wavelength accuracy is also improved because gas cell references are insensitive to temperature variations. Because the spectrum of the wavelength reference is in a different FSR and is separable with the DWDM channels, reliability will be improved by eliminating the use of optical-mechanical switch.

Keywords

optical fibre communication; optical fibre testing; optical filters; optical noise; optical tuning; telecommunication channels; telecommunication network reliability; wavelength division multiplexing; DWDM channels; DWDM performance monitor; DWDM system; gas cell wavelength reference; optical performance monitor; optical-mechanical switch; reliability; sampling; scanning; signal-to-noise ratio; temperature variations; tunable filter; wavelength accuracy; Absorption; Fabry-Perot; L-band; Light sources; Monitoring; Optical devices; Optical filters; Optical sensors; Voltage; Wavelength division multiplexing;

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.2002.1036695

Filename

1036695