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Atomically imprinted graphene plasmonic cavities
Brian S. Y. Kim, Aaron J. Sternbach, Min Sup Choi +17
Plasmon polaritons in van der Waals (vdW) materials hold promise for next-generation photonics. The ability to deterministically imprint spatial patterns of high carrier density in…
Ultrathin van der Waals metalenses
Chang-Hua Liu, Jiajiu Zheng, Shane Colburn +4
Ultrathin and flat optical lenses are essential for modern optical imaging, spectroscopy, and energy harvesting. Dielectric metasurfaces comprising nanoscale quasi-periodic resonat…
Diode-pumped mode-locked femtosecond 2-um Tm:CaYAlO4 laser
Lingchen Kong, Guoqiang Xie, Zhipeng Qin +4
Continuous-wave mode-locked femtosecond 2 um solid-state laser with a c-cut Tm:CaYAlO4 as gain medium was experimentally demonstrated. The mode locked laser generated stable pulses…
Silicon photonic crystal cavity enhanced second-harmonic generation from monolayer WSe2
Taylor K. Fryett, Kyle L. Seyler, Jiajiu Zheng +3
Nano-resonator integrated with two-dimensional materials (e.g. transition metal dichalcogenides) have recently emerged as a promising nano-optoelectronic platform. Here we demonstr…
Generation of 30-fs pulses from a diode-pumped graphene mode-locked Yb:CaYAlO4 laser
Jie Ma, Haitao Huang, Kaijie Ning +5
Stable 30 fs pulses centered at 1068 nm (less than 10 optical cycles) are demonstrated in a diode pumped Yb:CaYAlO4 laser by using high-quality chemical vapor deposited monolayer g…