Remote larger effective area optical fiber

Details Remote larger effective area optical fiber Remote larger effective area optical fiber

2011-01-11

2011-01-11

Peace, Rhonda S (Department: 2874)

Optical waveguides

With optical coupler

Plural

C359S334000, C359S341400

Reexamination Certificate

active

07869673

ABSTRACT:
Embodiments described herein relate to an optical fiber stretch that may experience forward Raman amplification in which the peak optical signal power occurs at some distance from the transmitter. Smaller effective area optical fiber is used at a portion of the optical fiber stretch in which the optical signal power is increasing, while larger effective area optical fiber is used at a more remote stretch of the optical fiber stretch that experiences the peak optical signal power. Thus, the quality of the signal is better preserved since the larger effective area fiber reduces maximum optical signal density thereby reducing non-linear degradations on signal quality.

REFERENCES:
patent: 6157754 (2000-12-01), Sasaoka et al.
patent: 6748178 (2004-06-01), Miyakawa et al.
patent: 6909535 (2005-06-01), Ueki
patent: 7336869 (2008-02-01), Perrier et al.
patent: 7665909 (2010-02-01), Perrier et al.
patent: 2006/0039664 (2006-02-01), Bickham

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