Optical microcavities formed by semiconductor microtubes using a bottlelike geometry.
We report on the realization of optical microtube resonators with a bottlelike geometry. The measured eigenenergies and the measured axial field distributions of the modes can be described by a straight and intuitive model using an adiabatic separation of the circulating and the axial propagation. The dispersion of the axial mode energies follows a photonic quasi-Schrödinger equation including a quasipotential which can be determined for the actual geometry of the microtube in a precise and simple way. We show that tailoring the geometry of the microtube bottle resonators enables the realization of a wide variety of mode distributions and dispersion relations.
Strelow
Ch
Ch
Institut für Angewandte Physik und Zentrum für Mikrostrukturforschung, Universität Hamburg, Jungiusstrasse 11, Hamburg, Germany.
Rehberg
H
H
Schultz
C M
CM
Welsch
H
H
Heyn
Ch
Ch
Heitmann
D
D
Kipp
T
T