Journal
APPLIED PHYSICS LETTERS
Volume 102, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4775803
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Funding
- Defense Advanced Research Project Agency (DARPA) program Nanoscale Architectures of Coherent Hyper-Optical Sources (NACHOS) [W911-NF07-1-0314]
- Air Force Office of Scientific Research [FA9550-10-1-0444]
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We demonstrated for the first time an azimuthally polarized laser source from an electrically driven metallic cavity nanolaser with a physical cavity volume of 0.146 lambda(3) (lambda = 1416 nm). Single TE01 mode lasing at 78 K was achieved by taking the advantages of the large free spectral range in such nanoscale lasers and the azimuthal polarization of lasing emission was verified experimentally. Mode shift controlled by device cavity radius was observed over a large wavelength range from 1.37 mu m to 1.53 mu m. Such metallic cavity nanolaser provides a compact electrically driven laser source for azimuthally polarized beam. (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4775803]
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