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5 papers · 2 filters
Integrated and Spectrally Selective Thermal Emitters Enabled by Layered Metamaterials
Yongkang Gong, Kang Li, Nigel Copner +6
Nanophotonic engineering of light-matter interaction at subwavelength scale allows thermal radiation that is fundamentally different from that of traditional thermal emitters and p…
Tailoring Topological Edge States with Photonic Crystal Nanobeam Cavities
Yongkang Gong, Liang Guo, Stephan Wong +2
The realization of topological edge states (TESs) in photonic systems has provided unprecedented opportunities for manipulating light in novel manners. The Su-Schrieffer-Heeger (SS…
Quantum micro-nano devices fabricated in diamond by femtosecond laser and ion irradiation
Shane M. Eaton, J. P. Hadden, Vibhav Bharadwaj +12
Diamond has attracted great interest as a quantum technology platform thanks to its optically active nitrogen vacancy center (NV). The NV's ground state spin can be read out optica…
Performance evaluation of on-chip wavelength conversion based on InP/InGaAsP semiconductor waveguide platforms
Jin Wen, Kang Li, Yongkang Gong +9
We propose and design the high confinement InP/In1-xGaxAsyP1-y semiconductor waveguides and report the results of effective wavelength conversion based on this platform. Efficient…
Topological Insulator Laser Using Valley-Hall Photonic Crystals
Yongkang Gong, Stephan Wong, Anthony J. Bennett +2
Topological photonics has recently been proved a robust framework for manipulating light. Active topological photonic systems, in particular, enable richer fundamental physics by e…