Low threshold gain metal coated laser nanoresonators
Research output: Contribution to journal › Article › peer-review
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In: Optics Letters, Vol. 33, No. 11, 01.06.2008, p. 1261-1263.
Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Low threshold gain metal coated laser nanoresonators
AU - Mizrahi, Amit
AU - Lomakin, Vitahy
AU - Slutsky, Boris A.
AU - Nezhad, Maziar P.
AU - Feng, Liang
AU - Fainman, Yeshaiahu
PY - 2008/6/1
Y1 - 2008/6/1
N2 - We introduce a low refractive index layer between the metal and the gain medium in metal-coated laser resonators and demonstrate that it can significantly reduce the dissipation losses. Analysis of a gain medium waveguide shows that for a given waveguide radius, the low index layer has an optimal thickness for which the lasing threshold gain is minimal. The waveguide analysis is used for the design of a novel three-dimensional cylindrical resonator that is smaller than the vacuum wavelength in all three dimensions and exhibits a low enough threshold gain to lase at room temperature.
AB - We introduce a low refractive index layer between the metal and the gain medium in metal-coated laser resonators and demonstrate that it can significantly reduce the dissipation losses. Analysis of a gain medium waveguide shows that for a given waveguide radius, the low index layer has an optimal thickness for which the lasing threshold gain is minimal. The waveguide analysis is used for the design of a novel three-dimensional cylindrical resonator that is smaller than the vacuum wavelength in all three dimensions and exhibits a low enough threshold gain to lase at room temperature.
U2 - 10.1364/OL.33.001261
DO - 10.1364/OL.33.001261
M3 - Article
VL - 33
SP - 1261
EP - 1263
JO - Optics Letters
JF - Optics Letters
SN - 0146-9592
IS - 11
ER -