40 citations · 53 across the 5 of their papers we have counts for
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A Theory of Nested Cascading in Directed Logic
Ihar Babushkin, Oliver Melchert, Ayhan Demircan +1
In directed logic (DL), electronically controlled optical elements serve as photonic gates. Such electro-optical elements are of mixed nature: they have two inputs--electronic and…
Isotopic variations and Zeeman-like splitting in the spectra of nonlinear photonic meta-atoms
S. Zhang, I. Babushkin, U. Morgner +2
We study photonic meta-atoms, a unique class of composite solitary wave, supported in nonlinear waveguides. We establish an analogy to one-dimensional soft-core atoms, allowing to…
Universal properties of locally generated terahertz waveforms from polarization-controlled two- and multi-color ionizing fields
H. Alirezaee, S. Skupin, V. Vaicaitis +4
The polarization states of terahertz (THz) radiation generated in a photo-ionized gas driven by strong two- or multi-frequency fields with locally controlled polarization are studi…
Two-color pulse compounds in waveguides with a zero-nonlinearity point
O. Melchert, S. Bose, S. Willms +3
We study incoherently coupled two-frequency pulse compounds in waveguides with single zero-dispersion and zero-nonlinearity points. In such waveguides, supported by a negative nonl…
Passive and hybrid mode locking in multi-section terahertz quantum cascade lasers
P. Tzenov, I. Babushkin, R. Arkhipov +4
It is believed that passive mode locking is virtually impossible in quantum cascade lasers (QCLs) because of too fast carrier relaxation time. Here, we revisit this possibility and…