6 papers
Thermo-optic dynamics of effective epsilon-near-zero media
Jiaye Wu, Xuanyi Liu, Marco Clementi +5
Epsilon-near-zero (ENZ) photonic media exhibit extreme optical dispersion that enables unconventional light-matter interactions and enhanced optical nonlinearities. Recent studies…
Reconfigurable Resonant Multimode Nonlinear Coupling for UV-to-infrared Frequency Generation
Samantha Sbarra, Ji Zhou, Boris Zabelich +6
On-chip coherent visible and near-infrared (NIR) light generation has broad applications in metrology, bio-sensing, and quantum information. High-Q microresonators are ideal candid…
High-purity frequency-degenerate photon pair generation via cascaded SFG/SPDC in thin film lithium niobate
Olivia Hefti, Marco Clementi, Enrico Melani +12
Frequency-degenerate photon pairs generated using nonlinear photonic integrated devices are a crucial resource for scalable quantum information processing and metrology. However, t…
Broadband spectral mapping of photo-induced second-harmonic generation in silicon nitride microresonators
Ji Zhou, Marco Clementi, Samantha Sbarra +2
By employing a pump-probe technique for enhanced spectral mapping of the dynamics in nonlinear frequency conversion, we demonstrate that photo-induced second-harmonic generation (S…
Ultrabroadband Milliwatt-Level Resonant Frequency Doubling on a Chip
Marco Clementi, Luca Zatti, Ji Zhou +2
Microresonators are powerful tools to enhance the efficiency of second-order nonlinear optical processes, such as second-harmonic generation, which can coherently bridge octave-spa…
Integrated tunable green light source on silicon nitride
Gang Wang, Ozan Yakar, Xinru Ji +7
Integrated green light sources are essential for telecommunications and quantum applications, while the performance of current on-chip green light generation is still limited in po…