As photonics moves from the single-device level toward large-scale, integrated, and complex systems on a chip, monitoring, control, and stabilization of the components become critical. We need to monitor a circuit non-invasively and apply a simple, fast, and robust feedback control. Here, we show non-invasive monitoring and feedback control of high-quality-factor silicon (Si) photonic resonators assisted by a transparent detector that is directly integrated inside the cavity. Control operations are entirely managed by a CMOS microelectronic circuit that is bridged to the Si photonic chip and hosts many parallel electronicreadout channels. Advanced functionalities, such as wavelength tuning, locking, labeling, and swapping, aredemonstrated. The non-invasive nature of the transparent monitor and the scalability of the CMOS readout system offer a viable solution for the control of arbitrarily reconfigurable photonic integrated circuits aggregating many components on a single chip.

Non-invasive monitoring and control in silicon photonics using CMOS integrated electronics

GRILLANDA, STEFANO;CARMINATI, MARCO;MORICHETTI, FRANCESCO;CICCARELLA, PIETRO;ANNONI, ANDREA;FERRARI, GIORGIO;SAMPIETRO, MARCO;MELLONI, ANDREA IVANO
2014

Abstract

As photonics moves from the single-device level toward large-scale, integrated, and complex systems on a chip, monitoring, control, and stabilization of the components become critical. We need to monitor a circuit non-invasively and apply a simple, fast, and robust feedback control. Here, we show non-invasive monitoring and feedback control of high-quality-factor silicon (Si) photonic resonators assisted by a transparent detector that is directly integrated inside the cavity. Control operations are entirely managed by a CMOS microelectronic circuit that is bridged to the Si photonic chip and hosts many parallel electronicreadout channels. Advanced functionalities, such as wavelength tuning, locking, labeling, and swapping, aredemonstrated. The non-invasive nature of the transparent monitor and the scalability of the CMOS readout system offer a viable solution for the control of arbitrarily reconfigurable photonic integrated circuits aggregating many components on a single chip.
Integrated optics; Photonic integrated circuits; Resonators;Optoelectronics; Silicon; TEL
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11311/965201
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