Optically programable quasi phase matching in four-wave mixing
Theoretical model In our theoretical framework, we consider two strong optical pump waves having orthogonal polarizations, with corresponding…
Pseudo-spin light circuits in nonlinear photonic crystals
Pseudo-spin guiding mechanism We can describe the process of paraxial SFG process in the undepleted pump approximation using…
X-ray parametric down-conversion reveals EUV-polariton
Experimental setup We performed the experiment at the large solid-angle spectrometer of beamline ID20 at ESRF26. The setup’s…
Optical nonlinearities in excess of 500 through sublattice reconstruction
Li, Z. & Yin, Y. Stimuli‐responsive optical nanomaterials. Adv. Mater. 31, 1807061 (2019). Article Google Scholar Blum, A.…
Optical solitons, bifurcation, and chaos in the nonlinear conformable Schrödinger equation with group velocity dispersion coefficients and second-order spatiotemporal terms
Here, we utilize the new direct mapping method to generate several accurate answers in closed-form for the current…
This Tiny Chip Could Supercharge the Entire Internet Making It 10 Times Faster
The amplifier developed by Chalmers researchers can process 10 times larger amounts of data per second than current…
Spectral physical unclonable functions: downscaling randomness with multi-resonant hybrid particles
Au/Si particles: laser fabrication and bright luminescence Hybrid metal-dielectric systems are recognized as versatile nanophotonic platforms, whose diverse…
Continuous-wave nonlinear polarization control and signatures of criticality in a perovskite cavity
Stranks, S. D. & Snaith, H. J. Metal-halide perovskites for photovoltaic and light-emitting devices. Nat. Nanotechnol. 10, 391–402…
Near-visible integrated soliton microcombs with detectable repetition rates
Kippenberg, T. J. et al. Dissipative Kerr solitons in optical microresonators. Science 361, eaan8083 (2018). Diddams, S. A.,…
Microresonator-referenced soliton microcombs with zeptosecond-level timing noise
Hecht, J. et al. The bandwidth bottleneck. Nature 536, 139–142 (2016). Article ADS Google Scholar Betz, J. W.…