Chromatic dispersion device

Details Chromatic dispersion device Chromatic dispersion device

2006-04-25

2006-04-25

Lee, John D. (Department: 2874)

Optical waveguides

With optical coupler

C385S027000, C385S039000, C385S050000

Reexamination Certificate

active

07035495

ABSTRACT:
A chromatic dispersion device according to the invention comprises an input/output waveguide, a plurality of first ring waveguides and a second ring waveguide. The plurality of first ring waveguides optically couple with the input/output waveguide through directional coupling and are disposed along an optical axis direction of the input/output waveguide, each ring waveguide having a predetermined FSR (free spectral range) and group delay characteristics with a peak value of the same polarity. The second ring waveguide optically couples with the input/output waveguide through directional coupling, the second ring waveguide having the predetermined FSR and group delay characteristics with a peak value of a polarity different from those of the first ring waveguides.

REFERENCES:
patent: 2003/0194166 (2003-10-01), Madsen
patent: 2003/0235367 (2003-12-01), Yamazaki
patent: 2004/0023396 (2004-02-01), Boyd et al.
patent: 2005/0013537 (2005-01-01), Yamazaki
Jablonski, et al., “Adjustable dispersion-slope compensator using entirely thin-film coupled-cavity allpass filters in a multi-reflection parallel configuration,” Optical Fiber Communication Conference, Anaheim, CA., 2001, TuS3-1-3.
Moss, et al., “Multichannel tunable dispersion compensation using all-pass multicavity etalons,” OFC 2002, Tuesday Afternoon, Anaheim, CA., 2002, TuT2 5:00 pm, pp. 132-133.
Madsen, et al., “Compact Integrated Tunable Chromatic Dispersion Compensator with a 4000 ps
m Tuning Range,” Optical Fiber Communication Conference, Anaheim, CA., 2001, PD9-1-3.
Takahashi, et al., “Analysis of tunable dispersion compensator dynamics using ring resonator with symmetric Mach-Zehnder Interferometer,” The Institute of Electronics, Information and Communication Engineers pp. 17-22 and English Translation pp. 1-11.

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