NDLI: Polarization dependence of Raman gain on propagation direction of pump and probe signal in optical fibers

Content Provider	IEEE Xplore Digital Library
Author	Popov, S. Vanin, E.
Copyright Year	2001
Description	Author affiliation: Opt. Networks Res. Lab., Ericsson Telecom AB, Stockholm, Sweden (Popov, S.)
Abstract	Summary form only given. Recent progress in the development of high power lasers of near and mid IR renewed the interest in Raman amplifiers for WDM communication systems. Such amplifiers, demonstrating a number of advantages, may effectively complement currently used networking systems of different scales and applications. The variety of wavelengths of pump lasers available for Raman applications allow us to design broadband Raman amplifiers with a desired gain profile to meet certain requirements for particular networking systems. Reduced nonlinear interactions in a fiber link with a distributed gain, as well as improved noise properties make Raman amplifiers especially attractive for high speed DWDM communications. In this paper we report measured dependence of polarization properties of Raman gain for both co-propagating and counter-propagating pumping schemes with several different types of optical fibers. Experimental data show very low, if any, polarization dependence for backward pumping. On the other hand, the forward pumping for Raman amplifiers with different types and lengths of fibers demonstrate different polarization dependences for each particular case. More careful consideration may relate such a behavior with polarization mode dispersion (PMD) of fibers, which has an essentially statistical origination.
Sponsorship	IEEE/Lasers & Electro-Opt. Soc.
Starting Page	146
Ending Page	147
File Size	279897
Page Count	2
File Format	PDF
ISBN	1557526621
DOI	10.1109/CLEO.2001.947624
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-05-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Optical Soc. Of America
Subject Keyword	Optical fiber polarization Optical fiber amplifiers High power amplifiers Stimulated emission Broadband amplifiers Optical propagation Power lasers Wavelength division multiplexing Optical amplifiers Pump lasers
Content Type	Text
Resource Type	Article

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