Dec 10, 2021 | Featured Research
Nanoparticle shape plays an important role in targeted drug delivery. Investigations of how differences in morphology affect nanoparticle-cell interactions at the single-particle level—especially internalization and cellular trafficking—are critical yet limited. […]
Apr 16, 2020 | Featured Research
The tailored spatial polarization of coherent light beams is important for applications ranging from microscopy to biophysics to quantum optics. Miniaturized light sources are needed for integrated, on-chip photonic devices […]
Jan 28, 2020 | Featured Research
Graphene exhibit unique electronic properties and mechanical flexibility that are beneficial for next-generation electronics. Crumpling graphene on elastomer sheets can engineer the properties depending on wavelength and orientation while maintaining […]
Sep 26, 2019 | Featured Research
Continuous-wave (CW) lasing at room temperature is critical for integration with opto-electronic devices and optimal modulation of optical interactions. Plasmonic nanocavities integrated with gain can generate coherent light at sub-wavelength […]
Jul 25, 2019 | Featured Research
Selectively functionalized graphene can realize spatially defined properties that are highly desirable for atom-thin devices. We developed a scalable approach to realize area-specific properties in graphene using multiscale wrinkles. Patterned […]
Mar 26, 2019 | Featured Research
Metalenses are compact lensing components based on rationally designed nanoscale building blocks. These planar devices are crucial for miniaturized imaging systems that can be integrated into portable electronic and optical […]
Jun 26, 2018 | Featured Research
We achieved mechanical control of the lasing color by exploiting a lasing cavity based on periodic arrays of nanoparticles in a stretchable, polymer matrix. This materials system could achieve reversibly […]
Apr 17, 2018 | Featured Research
Understanding the underlying mechanism for the synthesis of metallic nanoparticles is crucial for strategic creation of desirable particles. We have recently designed a correlative approach to detect, visualize, and characterize […]
Mar 29, 2018 | Featured Research
Miniaturized lasers enable applications in on-chip optical communication, medical imaging, and nanoscale optical displays. Compared to traditional lasers, plasmonic nanolasers can break the diffraction limit and support ultrasmall mode volumes, […]
Apr 4, 2017 | Featured Research
Plasmonic metasurfaces—structured materials with subwavelength units—are of interest for applications ranging from high resolution imaging to 3D holography. Integrated devices, however, are challenging to achieve because traditional plasmonic materials such […]