Angular Emission Characteristics of Quantum Cascade Spiral Microlasers
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Belkin, Mikhail A.
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CitationHentschel, Martina, Tae-Yoon Kwon, Mikhail A. Belkin, Ross Audet, and Federico Capasso. 2009. Angular emission characteristics of quantum cascade spiral microlasers. Optics Express 17(12): 10335-10343.
AbstractWe perform ray and wave simulations of passive and active
spiral-shaped optical microcavities, comparing our results to experimental data obtained with mid-infrared quantum cascade spiral microlasers. Focusing on the angular emission characteristics, we find that both ray and wave simulations are consistent with the experimental data, showing richly-featured, multidirectional far-field emission patterns in the case of uniform pumping and TM-polarized light. Active cavity simulations using the Schr¨odinger-Bloch model indicate that selective pumping of the quantum cascade spiral microlasers near the resonator boundary will yield unidirectional laser emission.
Citable link to this pagehttp://nrs.harvard.edu/urn-3:HUL.InstRepos:3634151
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