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Constructing a class of topological solitons in magnetohydrodynamics
Amy Thompson, Joe Swearngin, Alexander Wickes +1
We present a class of topological plasma configurations characterized by their toroidal and poloidal winding numbers, and respectively. The special case of and…
Fine tuning of micropillar cavity modes through repetitive oxidations
Morten P. Bakker, Donal J. suntrup, Henk Snijders +4
Repetitive wet thermal oxidations of a tapered oxide aperture in a micropillar structure are demonstrated. After each oxidation step the confined optical modes are analyzed at room…
Gravitational Hopfions
Joe Swearngin, Amy Thompson, Alexander Wickes +2
The electromagnetic hopfion (EM hopfion) is a topologically nontrivial solution to the vacuum Maxwell equations with the property that any two field lines belonging to either the e…
Monitoring the formation of oxide apertures in micropillar cavities
Morten P. Bakker, Henk Snijders, Donald J. Suntrup +4
An imaging technique is presented that enables monitoring of the wet thermal oxidation of a thin AlAs layer embedded between two distributed Bragg reflector (DBR) mirrors in a micr…