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Integrated on-chip C-band optical spectrum analyzer using dual-ring resonators

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Abstract

We demonstrate an on-chip optical spectrum analyzer (OSA) using two cascade optical ring resonators. The OSA’s span is wider than 50nm and resolution is ~0.1nm. A germanium photodetector and a p-i-n modulator are integrated on the chip and used for detection.

© 2015 Optical Society of America

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