Signal-to-noise analysis in a counter-pumped fiber Raman amplifier

• Autorzy: Felinskyi G , Dyriv M

Identyfikatory

DOI

10.5277/oa140401

• Języki publikacji: EN

Abstrakty

EN

The light gain efficiency due to Raman scattering in a distributed fiber Raman amplifier is a subject of our investigation. The detailed analysis of noise properties at one-wave optical signal amplification in a single-mode fiber in the scheme of counter-pumped fiber Raman amplifier is realized in the paper. Experimental results of the amplified spontaneous emission with backward pumping as a base of optical noise evaluation are presented. Raman gain spectrum for a coherent Stokes low-powered signal is calculated and it is compared with the observed spectrum of non-coherent amplified spontaneous emission noise. It is shown that an output optical signal has higher gain than the amplified spontaneous emission and it results in the appreciable growth in the output optical signal-to-noise ratio.

Słowa kluczowe

EN

amplified spontaneous emission; fiber Raman amplifier; optical signal-to-noise ratio; single-mode fiber; Raman gain

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2014
• Tom: Vol. 44, nr 4
• Strony: 493--501
• Opis fizyczny: Bibliogr. 10 poz., rys., wykr.

Twórcy

autor

Felinskyi G

• Department of Radiophysics, Electronics, and Computer Systems, Taras Shevchenko University of Kyiv, Academician Glushkov prospect 2, 03-022 Kyiv, Ukraine

autor

Dyriv M

• Department of Radiophysics, Electronics, and Computer Systems, Taras Shevchenko University of Kyiv, Academician Glushkov prospect 2, 03-022 Kyiv, Ukraine

Bibliografia

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• [3] YAMAMOTO Y., INOUE K., Noise in amplifiers, Journal of Lightwave Technology 21(11), 2003, pp. 2895–2915.
• [4] HAUS H.A., Noise figure definition valid from RF to optical frequencies, IEEE Journal of Selected Topics in Quantum Electronics 6(2), 2000, pp. 240–247.
• [5] HENRY C.H., KAZARINOV R.F., Quantum noise in photonics, Reviews of Modern Physics 68(3), 1996, pp. 801–853.
• [6] AGRAWAL G.P., Fiber-Optic Communication Systems, 3th Ed., John Wiley & Sons, New York, 2002.
• [7] BROMAGE J., Raman amplification for fiber communications systems, Journal of Lightwave Technology 22(1), 2004, pp. 79–93.
• [8] NAMIKI S., EMORI Y., Ultrabroad-band Raman amplifiers pumped and gain-equalized by wavelength-division-multiplexed high-power laser diodes, IEEE Journal of Selected Topics in Quantum Electronics 7(1), 2001, pp. 3–16.
• [9] ROTTWITT K., BROMAGE J., STENTZ A.J., LUFENG LENG, LINES M., SMITH H., Scaling of the Raman gain coefficient: Applications to germanosilicate fibers, Journal of Lightwave Technology 21(7), 2003, pp. 1652–1662.
• [10] DYRIV M.Y., FELINSKYI G.S., KOROTKOV P.A., Fiber attenuation irregularities and simulation of Raman amplification band, 12th International Conference on Laser and Fiber-Optical Networks Modeling (LFNM), September 11–13, 2013, Sudak, Crimea, Ukraine, pp. 44–46.