Optical waveguides – Polarization without modulation
Reexamination Certificate
2005-02-22
2005-02-22
Assaf, Fayez (Department: 2872)
Optical waveguides
Polarization without modulation
C385S002000, C385S003000, C385S008000, C385S014000, C385S040000, C359S484010, C398S184000
Reexamination Certificate
active
06859568
ABSTRACT:
A polarization transformer/PMD compensator chip contains a differential TE-TM phase modulator at its input. The modulator generates a TE-TM phase modulation. The mode converter voltages are driven with driving signals that are free of DC components. DC drift is thereby safely avoided.
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Noe Reinhold
Sandel David
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