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Non-invasive light sensor with enhanced sensitivity for photonic integrated circuits | IEEE Conference Publication | IEEE Xplore

Non-invasive light sensor with enhanced sensitivity for photonic integrated circuits


Abstract:

Complex photonic architectures integrated into a single silicon chip require real-time control to keep each device at the desired working point. With this aim, non-invasi...Show More

Abstract:

Complex photonic architectures integrated into a single silicon chip require real-time control to keep each device at the desired working point. With this aim, non-invasive optical sensors are an effective solution, allowing to monitor the light inside optical waveguides without penalties in the photonic functionality. Here, the working principle of the CLIPP sensor and its electronic readout are presented and discussed in order to understand how to improve the performance and scale down the size. An improved version of the CLIPP is then presented, featuring a 10-fold improvement in the sensitivity and reaching unprecedented performance for transparent detectors, while also maintaining a small area occupation. Finally, a differential CLIPP readout scheme is discussed, which allows to mitigate the effect of common-mode disturbances.
Date of Conference: 12-15 June 2022
Date Added to IEEE Xplore: 11 July 2022
ISBN Information:
Conference Location: Villasimius, SU, Italy

References

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