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Optical modes in semiconductor microtube ring resonators | | T Kipp
; H Welsch
; Ch Strelow
; Ch Heyn
; D Heitmann
; | | Date: |
24 Feb 2006 | | Journal: | Phys Rev Lett, 96 (7), 077403 | | Abstract: | We demonstrate optical modes in InGaAs/GaAs microtubes acting as optical ring resonators. Self-supporting microtubes were fabricated by optical lithography and wet-etching processes utilizing the self-rolling mechanism of strained bilayers. The optical modes were probed by the photoluminescence of InAs quantum dots embedded in the tube’s wall. In this novel microtube ring resonator we find a spectrum of sharp modes. They are in very good agreement with the theoretical results for a closed thin dielectric waveguide. | | Source: | PubMed, pmid16606141 | | Services: | Forum | Review | Favorites | |
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