Journal
OPTICS LETTERS
Volume 39, Issue 7, Pages 1760-1763Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.39.001760
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- US Air Force Office of Scientific Research (AFOSR) [FA9550-10-1-0408]
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We present theoretical and numerical results for a new method of obtaining hotspots that relies on nonreciprocal one-way propagation as opposed to the well-known case of resonance-based hotspots. The nonreciprocal propagation is achieved by the breaking of time-reversal symmetry through the use of magnetically biased medium. The location and existence of the hotspots depends on the magnetic bias that results in the breaking of the time-reversal symmetry. This results in the intriguing possibility of switching and spatial control of the hotspots through the magnetic bias. (C) 2014 Optical Society of America
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