Optical fiber component for Raman amplification, Raman...

Details Optical fiber component for Raman amplification, Raman... Optical fiber component for Raman amplification, Raman...

2005-10-25

2005-10-25

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Raman or brillouin process

C359S337000

Reexamination Certificate

active

06958857

ABSTRACT:
The present invention relates to an optical fiber component for Raman amplification having a construction for effectively suppressing deterioration of the transmission characteristic caused by amplification of scattered light components. The optical fiber component for Raman amplification has an optical fiber for Raman amplification and is inserted at a position where the effective deterioration amount of the optical SN ratio produced by DRBS-XT (Double Rayleigh Back Scattering-Crosstalk) is 1 dB or less at the signal output terminal of the optical fiber for Raman amplification.

REFERENCES:
patent: 6819477 (2004-11-01), Tsuzaki et al.
patent: 6862132 (2005-03-01), Casaccia et al.
patent: 6876489 (2005-04-01), Islam et al.
Fludger, et al. “Electrical Measurements of Multipath Interference in Distributed Raman Amplifiers” Journal of Lightwave Technology vol. 19, No. 4 (Apr., 2001) pp. 536-545.
Lewis, et al. “Characterization of Double Rayleigh Scatter Noise in Raman Amplifiers” IEEE Photonic Technology Letters vol. 12, No. 5 (May, 2000) pp. 528-530.

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