High data-rate optical modulator bias circuit

Details High data-rate optical modulator bias circuit High data-rate optical modulator bias circuit

2007-09-04

2007-09-04

Doan, Jennifer (Department: 2874)

Optical waveguides

Temporal optical modulation within an optical waveguide

C385S002000, C385S003000

Reexamination Certificate

active

11394811

ABSTRACT:
In one embodiment, an apparatus for a high data-rate optical modulator bias circuit is disclosed. The apparatus comprises an optical modulator, a voltage-controlled voltage source to translate a control voltage into a voltage referenced to a voltage supply to the optical modulator, a buffer amplifier with high current sinking capability to supply a bias voltage to the optical modulator, and a bias-T to couple the bias voltage to a data port of the optical modulator. Other embodiments are also described.

REFERENCES:
patent: 7106486 (2006-09-01), Nahapetian et al.
patent: 2006/0228121 (2006-10-01), Tolliver et al.

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