Giant enhancement and control of second-harmonic radiation from algaas nanoantennas

Publication Type:
Conference Proceeding
2017 Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2017, 2017, 2017-January pp. 1 - 3
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© 2017 Institute of Electrical and Electronics Engineers Inc. All Rights Reserved. We fabricate AlGaAs nanoantennas on a glass substrate and demonstrate the highest nonlinear conversion efficiency of 10-4 with the capability for shaping the radiation patterns and polarization of the second harmonic emission in both forward and backward directions. We also decode dynamic multipolar contributions to the second harmonic generation within such nanoantennas.
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