Optical waveguides – With optical coupler – Plural
Reexamination Certificate
2005-06-14
2005-06-14
Lee, John D. (Department: 2874)
Optical waveguides
With optical coupler
Plural
C385S039000
Reexamination Certificate
active
06907156
ABSTRACT:
In accordance with the invention, an MZI-based reconfigurable multi-channel filter is provided with enhanced channel bandwidth by adding an all-pass filter to one or both of the MZI arms. The result is a square-shaped amplitude response closely approximating the ideal.
REFERENCES:
patent: 6141130 (2000-10-01), Ip
patent: 6212315 (2001-04-01), Doerr
patent: 6259847 (2001-07-01), Lenz et al.
patent: 6289151 (2001-09-01), Kazarinov et al.
patent: 6304689 (2001-10-01), Dingel et al.
patent: 6341184 (2002-01-01), Ho et al.
patent: 6351581 (2002-02-01), Doerr et al.
Oda et al., A Wide-Band Guided-Wave Periodic Multi/Demultiplexer with a Ring Resonator for Optical FDM Transmission Systems, Journal of Lightwave Technology, vol. 6 No. 6, Jun. 1988, pp 1016-1023.
Madsen et al., Optical All-Pass Filters for Phase Response Design with Applications for Dispersion Compensation, IEEE Photonics Technology Letters, vol. 10 No. 7, Jul. 1998, pp 994-996.
Madsen, C.K. Efficient Architectures for Exactly Realizing Optical Filters with Optimum Bandpass Designs, IEEE Photonics Technology Letters, vol. 10 No. 8, Aug. 1998, pp 1136-1138.
Oda et al., Wideband Guided-Wave Periodic Multi/Demultiplexer with a Ring Cavity for Optical FDM Transmission Systems, Electronics Letters, vol. 24 No. 4, Feb. 1988, pp 210-212.
C.R. Doerr, et al. “Integrated WDM Dynamic Power Equalizer with Potentially Low Insertion Loss”, IEEE Photonics Technology Letters. vol. 10, No. 10, Oct. 1998.
K. Oda, et al, “A Wide-Band Guided-Wave Periodic Multi/Demultiplexer with a Ring Resonator for Optical FDM Transmission Systems”,8217 Journal of Lightwave Tehcnology No. 6, (1988) Jun., No. 6, New York, NY, US.
C. Madsen, A Multiport Frequency Band Selector with Inherently Low Loss, Flat, Passbands, and Low Crosstalk; IEEE Photonics Technology Letters, vol. 10, No. 12, Dec. 1998.
C. Madsen, “Efficient Architectures for Exactly Realizing Optical Filters with Optimum Bandpass Designs”; IEEE Photonics Technology Letters, vol. 10, No. 8, Aug. 1998.
Lee John D.
Lucent Technologies - Inc.
Song Sarah
LandOfFree
Reconfigurable multi-channel filters having enhanced channel... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Reconfigurable multi-channel filters having enhanced channel..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Reconfigurable multi-channel filters having enhanced channel... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3520771