Pre-emphasized optical communication

Details Pre-emphasized optical communication Pre-emphasized optical communication

2007-06-19

2007-06-19

Hellner, Mark (Department: 3663)

Optical: systems and elements

Optical amplifier

Correction of deleterious effects

C359S334000, C398S094000

Reexamination Certificate

active

10232349

ABSTRACT:
In one of several embodiments, a method of communicating optical signals comprises communicating a plurality of optical signals over an optical communications medium, wherein each of at least some of the plurality of optical signals comprises a launch power that is a function of a noise property measured at or near a center wavelength of that signal. Launch powers of the plurality of optical signals primarily decrease with increasing center wavelengths of the plurality of optical signals.

REFERENCES:
patent: 5060302 (1991-10-01), Grimes
patent: 5225922 (1993-07-01), Chraplyvy et al.
patent: 5790289 (1998-08-01), Taga et al.
patent: 5801860 (1998-09-01), Yoneyama
patent: 5852510 (1998-12-01), Meli et al.
patent: 5959766 (1999-09-01), Otterbach et al.
patent: 6040933 (2000-03-01), Khaleghi et al.
patent: 6067177 (2000-05-01), Kanazawa
patent: 6104848 (2000-08-01), Toyohara et al.
patent: 6115157 (2000-09-01), Barnard et al.
patent: 6134034 (2000-10-01), Terahara
patent: 6185022 (2001-02-01), Harasawa
patent: 6219162 (2001-04-01), Barnard et al.
patent: 6271945 (2001-08-01), Terahara
patent: 6404523 (2002-06-01), Morikawa et al.
patent: 6810214 (2004-10-01), Chbat et al.
patent: 6859622 (2005-02-01), Jiang et al.
patent: 6862135 (2005-03-01), Evans et al.
patent: 2002/0048062 (2002-04-01), Sakamoto et al.
patent: 2002/0060821 (2002-05-01), Manna et al.
patent: 0 829 980 (1998-03-01), None
patent: 0 959 578 (1999-11-01), None
Chraplyvy et al., “Equalization in Amplified WDM Lightwave Transmission Systems,” IEEE Photonics Technology Letters, vol. 4, No. 8, pp. 920-922, Aug. 1992.
Tonguz et al., “Gain Equalization of EDFA Cascades, Journal of Lightwave Technology,” vol. 15, No. 10, pp. 1832-1841, Oct. 1997.
Forghieri et al., “Simple Model of Optical Amplifier Chains to Evaluate Penalties in WDM Systems,” Journal of Lightwave Technology, vol. 16, No. 9, pp. 1570-1576, Sep. 1998.
Letellier et al., “Access to Transmission Performance Margins Through Per-emphasis Adjustment in WDM Systems,” ECOC, pp. 275-276, Sep. 20-24, 1998.
Manna et al., “Modeling of Penalties on Chains of Optical Amplifiers with Equalizing Filters,” Journal of Lightwave Technology, vol. 18, No. 3, pp. 295-300, Mar. 2000.
Fludger et al., “Fundamental Noise Limits in Broadband Ramen Amplifiers,” OFC, pp. MA5/1-MA5/3, Mar. 17-22, 2001.
Menif et al., “Application of Preemphasis to Achieve Flat Output OSNR in Time-Varying Channels in Cascaded EDFAs Without Equalization,” Journal of Lightwave Technology, vol. 19, No. 10, pp. 1440-1452, Oct. 2001.
Murakami et al., “WDM Upgrading of an Installed Submarine Optical Amplifier System,” Journal of Lightwave Technology, vol. 19, No. 11, pp. 1665-1674, Nov. 2001.
Scheerer et al., “SRS crosstalk in preemphasized WDM Systems,” pp. WM28-1/293-WM28-3/295.

Affiliated with

Also associated with

Rating

Pre-emphasized optical communication does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pre-emphasized optical communication, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pre-emphasized optical communication will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3858410