Optical communications – Diagnostic testing – Determination of communication parameter
Reexamination Certificate
2007-11-27
2007-11-27
Leung, Christina (Department: 2613)
Optical communications
Diagnostic testing
Determination of communication parameter
C398S084000, C398S087000
Reexamination Certificate
active
10714451
ABSTRACT:
The present invention provides methods and devices for optical performance monitoring using co-located switchable fiber Bragg gratings (FBGs) in conjunction with a few detectors. This arrangement combines the merit of both tunable FBG filters and discrete detectors to achieve high spectral resolution, fast detection process and great dynamic range. By using parallel co-located FBGs in conjunction with a banded architecture, the tuning range of each FBG becomes much smaller (equivalent of ˜0.08% strain). As a result, not only does the update speed of the spectral characteristics for each channel become much faster, but it effectively eliminates the concern of FBG long-term reliability as well.
REFERENCES:
patent: 5305083 (1994-04-01), Marianik et al.
patent: 5457760 (1995-10-01), Mizrahi
patent: 5579143 (1996-11-01), Huber
patent: 5793508 (1998-08-01), Meli
patent: 6310703 (2001-10-01), Alavie et al.
patent: 6353690 (2002-03-01), Kulishov
patent: 6504976 (2003-01-01), Polynkin et al.
patent: 6510256 (2003-01-01), Asseh et al.
patent: 2002/0012144 (2002-01-01), Lin et al.
patent: 2002/0176134 (2002-11-01), Vohra
patent: 2004/0197097 (2004-10-01), Downie et al.
Tuesday Morning, OFC '97 Technical Digest, 2 pages.
High Resolution Fiber Grating Optical Network Monitor, Koeppen et al., 6 pages, Lucent Technologies, 600 Mountain Ave., Murray Hill, NJ 07974, C. Koeppen: 732 748-7442, koeppen@lucent.com.
Alavie Tino
Beckley Keith
Leonard Stephen
Xu Ming Gang
Hill & Schumacher
Leung Christina
Novx Systems Inc.
Schumacher Lynn C.
LandOfFree
Optical performance monitor using co-located switchable... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Optical performance monitor using co-located switchable..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical performance monitor using co-located switchable... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3835932