6 papers
Ultrafast tuning of the focusing efficiency of a nonlinear atomically thin lens
Rahil Rezwan, Bernardo Dias, Tom Hoekstra +10
Control over light focusing is paramount for optical and imaging systems. However, its implementation in active and integrated nanophotonic devices is hindered by the bulky and sta…
Light matter interaction in van der Waals heterostructures with Mie voids
Zhuoyuan Lu, Kirill Koshelev, Pavel Tonkaev +5
Recently introduced concept of Mie voids allows to enhance the field localization inside air cavities embedded in high-index materials. Mie voids provide an alternative approach to…
Counter-propagating Entangled Photon Pairs from a Monolayer
Zhuoyuan Lu, Jiri Janousek, Syed M. Assad +9
Non-phase-matched spontaneous parametric down-conversion (SPDC) in atomically thin materials provides new degrees of freedom and enhanced quantum information capacity compared to c…
Quasi-Phase-Matching Enabled by van der Waals Stacking
Yilin Tang, Kabilan Sripathy, Hao Qin +8
Quasi-phase matching (QPM) is a technique extensively utilized in nonlinear optics for enhancing the efficiency and stability of frequency conversion processes. However, the conven…
Long-Propagating Ghost Phonon Polaritons Enabled by Selective Mode Excitation
Manuka P. Suriyage, Qingyi Zhou, Hao Qin +5
The precise control of phonon polaritons(PhPs) is essential for advancements in nanophotonic applications like on-chip optical communication and quantum information processing. Gho…
Nonlinear chiral metasurfaces based on structured van der Waals materials
Pavel Tonkaev, Ivan Toftul, Zhuoyuan Lu +6
Nonlinear chiral photonics explores nonlinear response of chiral structures, and it offers a pathway to novel optical functionalities not accessible through linear or achiral syste…