Integrated tunable optical equalizer

Details Integrated tunable optical equalizer Integrated tunable optical equalizer

2008-03-25

2009-10-27

Doan, Jennifer (Department: 2874)

Optical waveguides

Accessories

Attenuator

C385S134000

Reexamination Certificate

active

07609934

ABSTRACT:
Provided is an apparatus and method for use thereof. The apparatus, in one embodiment, includes first and second1×N couplers integrated on a substrate and configured to receive an optical symbol having an intended time slot, N being at least three. The apparatus, in this embodiment, further includes N waveguide arms integrated on the substrate, having modulators and coupled between the first and second1×N couplers. The apparatus, in this embodiment, additionally, includes a modulator controller configured to drive the modulators such that, following transmission over a distance, components of the optical symbol outside of the intended time slot are attenuated relative to components within the intended time slot.

REFERENCES:
patent: 6785446 (2004-08-01), Chandrasekhar et al.
patent: 6804434 (2004-10-01), Chandrasekhar et al.
patent: 7308169 (2007-12-01), Chandrasekhar et al.

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