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Topologically tuned terahertz confinement in a nonlinear photonic chip
Jiayi Wang, Shiqi Xia, Ride Wang +8
Compact terahertz (THz) functional devices are greatly sought after for high-speed wireless communication, biochemical sensing, and non-destructive inspection. However, conventiona…
Integral order photonic RF and microwave signal processors based on soliton crystal Kerr micro-combs
Mengxi Tan, Xingyuan Xu, David J. Moss
Soliton crystal micro-combs are powerful tools as sources of multiple wavelength channels for radio frequency (RF) signal processing. They offer a compact device footprint, large n…
Frequency comb distillation for optical superchannel transmission
Chawaphon Prayoonyong, Andreas Boes, Xingyuan Xu +7
Optical frequency combs can potentially provide an efficient light source for multi-terabit-per-second optical superchannels. However, as the bandwidth of these multi-wavelength li…
Highly tunable broadband RF photonic fractional Hilbert transformer based on a Kerr soliton crystal microcomb source
Mengxi Tan, Xingyuan Xu, David J. Moss
We demonstrate an RF photonic fractional Hilbert transformer based on an integrated Kerr micro-comb source featuring a record low free spectral range of 48.9 GHz, yielding 75 micro…
Nonlinear control of photonic higher-order topological bound states in the continuum
Zhichan Hu, Domenico Bongiovanni, Dario Jukić +7
Higher-order topological insulators (HOTIs) are recently discovered topological phases, possessing symmetry-protected corner states with fractional charges. An unexpected connectio…
Entanglement robustness via spatial deformation of identical particle wave functions
Matteo Piccolini, Farzam Nosrati, Giuseppe Compagno +3
We address the problem of entanglement protection against surrounding noise by a procedure suitably exploiting spatial indistinguishability of identical subsystems. To this purpose…