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Sub-optical wavelength acoustic wave modulation of integrated photonic resonators at microwave frequencies
Semere Ayalew Tadesse, Mo Li
Light-sound interactions have long been exploited in various acousto-optic devices based on bulk crystalline materials. Conventionally these devices operate in megahertz frequency…
Waveguide-integrated black phosphorus photodetector with high responsivity and low dark current
Nathan Youngblood, Che Chen, Steven J. Koester +1
Layered two-dimensional materials have shown novel optoelectronic properties and are well suited to be integrated in planar photonic circuits. For example, graphene has been utiliz…
Heterogeneously integrated silicon photonics for the mid-infrared and spectroscopic sensing
Yu Chen, Hongtao Lin, Juejun Hu +1
Besides being the foundational material for microelectronics, in optics, crystalline silicon has long been used for making infrared lenses and mirrors. More recently, silicon has b…
Multifunctional graphene optical modulator and photodetector integrated on silicon waveguides
Nathan Youngblood, Yoska Anugrah, Rui Ma +2
For optical communication, information is converted between optical and electrical signal domains at a high rate. The devices to achieve such a conversion are various types of elec…