Abstract

A Gilbert Cell phase detector for use in an integrated optical phase-locked loop (OPLL) was designed and fabricated using p-i-n/HBT layer structure optimized for photoreceivers. This phase detector was employed in an OPLL designed for producing stable dense wavelength division multiplexing (DWDM) channel offsets. Offsets of 1.4 to over 10 GHz were achieved.

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