Systems and methods for polarization mode dispersion mitigation

Optical waveguides – Polarization without modulation

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C398S034000, C398S065000, C398S102000

Reexamination Certificate

active

07907798

ABSTRACT:
In one exemplary embodiment, a method comprises transmitting an optical signal via the optical line, measuring a relative change in spectral intensity of the optical signal near a clock frequency (or half of that frequency) while varying a polarization of the optical signal between a first state of polarization and a second state of polarization, and using the relative change in spectral intensity of the optical signal to determine and correct the DGD of the optical line. Another method comprises splitting an optical signal traveling through the optical line into a first and second portions having a first and second principal states of polarization of the optical line, converting the first and second portions into a first and second electrical signals, delaying the second electrical signal to create a delayed electrical signal that compensates for a DGD of the optical line, and combining the delayed electrical signal with the first electrical signal to produce a fixed output electrical signal.

REFERENCES:
patent: 4296995 (1981-10-01), Bickel
patent: 5894532 (1999-04-01), Moores
patent: 5974205 (1999-10-01), Chang
patent: 6266457 (2001-07-01), Jacob
patent: 6654105 (2003-11-01), Wang et al.
patent: 6665497 (2003-12-01), Hamilton-Gahart et al.
patent: 6842283 (2005-01-01), Savory et al.
patent: 7130030 (2006-10-01), Davidson et al.
patent: 7190442 (2007-03-01), Chen et al.
patent: 7302192 (2007-11-01), Elahmadi et al.
patent: 7403717 (2008-07-01), von der Weid et al.
patent: 7454092 (2008-11-01), Granot et al.
patent: 2001/0028760 (2001-10-01), Yaffe
patent: 2002/0018266 (2002-02-01), Ooi et al.
patent: 2003/0011854 (2003-01-01), Kahn et al.
patent: 2003/0175034 (2003-09-01), Noe
patent: 2003/0201385 (2003-10-01), Schulz et al.
patent: 2004/0022376 (2004-02-01), Jurman et al.
patent: 2004/0131363 (2004-07-01), Kisaka et al.
patent: 2004/0202396 (2004-10-01), Chung et al.
patent: 2004/0207902 (2004-10-01), Koch et al.
patent: 2004/0213500 (2004-10-01), Zeng
patent: 2004/0245436 (2004-12-01), Matsumoto
patent: 2005/0002675 (2005-01-01), Sardesai et al.
patent: 2005/0088738 (2005-04-01), Islam et al.
patent: 2005/0094130 (2005-05-01), Han et al.
patent: 2006/0023224 (2006-02-01), Caponi et al.
patent: 2006/0126999 (2006-06-01), Feldman et al.
patent: 2006/0204162 (2006-09-01), Stook et al.
patent: 2007/0046928 (2007-03-01), Chen et al.
patent: 2008/0095538 (2008-04-01), Granot et al.
patent: 2008/0100847 (2008-05-01), Szafraniec
patent: 2008/0205814 (2008-08-01), Qiao et al.
patent: 2008/0205886 (2008-08-01), Anderson et al.
patent: 2009/0073560 (2009-03-01), Granot
patent: 2009/0080883 (2009-03-01), Granot
patent: 1411656 (2004-04-01), None
patent: WO-03/040777 (2003-05-01), None
patent: WO-03/058857 (2003-07-01), None
Office Communication dated Feb. 11, 2008 and European Search Report dated Feb. 5, 2008 for European Application: EP 07 25 4202, 7 pages.
Sumriddetchkajorn, S., “N-Bit Fully-Covered Variable Photonic Time Delay Architectures for Polarization Mode Dispersion Compensation,” Proc. SPIE, vol. 5625, No. 975, online publication date: Feb. 28, 2005, pp. 975-983.
Yan et al., “Programmable Differential-Group-Delay (DGD) Elements Based Polarization-Mode-Dispersion (PMD) Emulator with Tunable Statistics,” IEEE LEOS Newsletter, Dec. 2005, pp. 4-9.
Office Action for U.S. Appl. No. 11/585,659, dated Nov. 30, 2009, 14 pages.
Office Action for U.S. Appl. No. 12/271,780, dated Dec. 10, 2009, 7 pages.
Office Action for U.S. Appl. No. 12/271,771, dated Dec. 9, 2009, 7 pages.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Systems and methods for polarization mode dispersion mitigation does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Systems and methods for polarization mode dispersion mitigation, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Systems and methods for polarization mode dispersion mitigation will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2738271

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.