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We experimentally investigate a ferrofluid-clad silicon microring resonator-based magnetic field sensor. The device presents relatively high loaded quality factors (∼ 6,000) and resonance shifts of 185 pm in response to 110 Oe strong magnetic field.
We demonstrate a multimode device simultaneously resonant at the 1st and 2nd order modes of adjacent silicon waveguides. This device introduces design flexibility and represents an interesting alternative to traditional mode conversion devices.
We show that Coupled Mode Theory incorrectly predicts a dark state for a coupled resonator design and we propose a correction that effectively reconciles it with results obtained experimentally and through the Transfer Matrix Method.
We demonstrate the generation and control of optical resonance mode-splitting arising from a single-notch resonance using coupled silicon microring resonators with electrically controlled counter-propagating mode excitation.
In this work we present analytical and experimental results indicating that Coupled Mode Theory, unlike the Transfer Matrix Method, may have limitations in predicting the behavior of photonic molecules based on embedded coupled microring cavities. We show that this resonant mode-based approach fails to provide the correct transmission spectrum for some important coupled cavity configurations, although...
We demonstrate how CMOS compatible photonic molecules (PM) can break the fundamental interdependence among quality factor (Q), channel spacing and size of microring resonators. Different PM architectures are presented for efficient and compact optical signal processing.
We demonstrate four-channel all-optical wavelength multicasting using only 1 mW of pump power and channel spacing of 40–60 GHz. Our device is based on a compact embedded microring design fabricated on a scalable SOI platform.
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