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Multimode nanobeam cavities for nonlinear optics: high quality resonances separated by an octave
Sonia Buckley, Marina Radulaski, Jingyuan Linda Zhang +3
We demonstrate the design, fabrication and characterization of nanobeam cavities with multiple higher order modes. Designs with two high Q modes with frequency separations of an oc…
Nonlinear frequency conversion using high quality modes in GaAs nanobeam cavities
Sonia Buckley, Marina Radulaski, Jingyuan Linda Zhang +3
We demonstrate the design, fabrication and characterization of nanobeam photonic crystal cavities in (111)-GaAs with multiple high quality factor modes, with large frequency separa…
Inverse design and implementation of a wavelength demultiplexing grating coupler
Alexander Y. Piggott, Jesse Lu, Thomas M. Babinec +3
Nanophotonics has emerged as a powerful tool for manipulating light on chips. Almost all of today's devices, however, have been designed using slow and ineffective brute-force sear…
Second harmonic generation in GaAs photonic crystal cavities in (111)B and (001) crystal orientations
Sonia Buckley, Marina Radulaski, Jan Petykiewicz +5
We demonstrate second harmonic generation in photonic crystal cavities in (001) and (111)B oriented GaAs. The fundamental resonance is at 1800 nm, leading to second harmonic below…
Photo-oxidative tuning of individual and coupled GaAs photonic crystal cavities
Alexander Y. Piggott, Konstantinos G. Lagoudakis, Tomas Sarmiento +3
We demonstrate a new photo-induced oxidation technique for tuning GaAs photonic crystal cavities using a pulsed laser with an average power of . T…