Institut für Angewandte Physik und Zentrum für Mikrostrukturforschung, Universität Hamburg, Jungiusstrasse 11, 20355 Hamburg, Germany.
Nano Lett. 2010 Feb 10;10(2):627-31. doi: 10.1021/nl9036966.
We report on optical modes in rolled-up microtube resonators that are excited by PbS nanocrystals filled into the microtube core. Long ranging evanescent fields into the very thin walled microtubes cause strong emission of the nanocrystals into the resonator modes and a mode shift after a self-removal of the solvent. We present a method to precisely control the number, the energy and the localization of the modes along the microtube axis.
我们报告了在卷绕微管谐振器中光学模式的情况,这些模式是通过将 PbS 纳米晶体填充入微管芯中而激发的。长程消逝场进入非常薄的微管壁,导致纳米晶体强烈发射到谐振器模式中,并在自去除溶剂后发生模式位移。我们提出了一种方法,可以精确控制微管轴上模式的数量、能量和局域性。