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Error-free detection at 1 Gb/s is demonstrated with a Si ion-implanted waveguide photodiode operating at 1.9 μm. The measured 0.14-A/W responsivity corresponds to a 5 dB decrease in photocurrent compared to operation at 1.55 μm.
We report measurements of the non-instantaneous nonlinear response of hydro-genated amorphous silicon nanowire waveguides at telecommunications wavelengths. We compare the results to those obtained with similar crystalline silicon nanowires.
Towards Mid-Infrared silicon microphotonic circuits, we demonstrate broadband on-chip silicon structures including straight, bent waveguides, and beam splitters, utilizing a novel air-clad pedestal configuration. Transmission loss of 2.7 dB/cm is obtained at λ=3.7 um.
We develop an all-integrated optoelectromechanical system that operates up to 4.20 GHz. The in-plane bulk acoustic modes of a photonic crystal membrane are electrocapacitively actuated and optically detected by a high-Q slotted photonic crystal cavity.
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