Prof. Nanfang Yu Profile

Prof. Nanfang Yu

Associate Professor at Columbia Univ

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Author

Publications (11)

Proceedings Article | 13 March 2024 Presentation

Resonant metasurfaces: wavelength-selective wavefront shaping and nonlinear generation

Nanfang Yu

Proceedings Volume PC12897, PC1289705 (2024) https://doi.org/10.1117/12.3002722

KEYWORDS: Wavefronts, Sum frequency generation, Optical components, Molecular beam epitaxy, Gallium nitride, Dielectrics, Design and modelling

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Proceedings Article | 8 March 2021 Presentation

Micron-scale, efficient, and robust phase modulators at visible wavelengths

Nanfang Yu, Guozhen Liang, Heqing Huang, Aseema Mohanty, Xingchen Ji, Min Chul Shin, Michael Carter, Sajan Shrestha, Michal Lipson

Proceedings Volume 11694, 1169407 (2021) https://doi.org/10.1117/12.2589481

KEYWORDS: Modulators, Microrings, Phase shift keying, Integrated photonics, Waveguides, System integration, Silicon, Resonators, Photonic integrated circuits, Phase modulation

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Proceedings Article | 5 March 2021 Presentation

Programmable hyperbolic polaritons in van der Waals Semiconductors

Aaron Sternbach, Sanghoon Chae, Simone Latini, Andrey Rikhter, Yinming Shao, Baichang Li, Daniel Rhodes, Brian Kim, Peter Schuck, Hannes Hubener, Umberto De Giovannini, Lin Xiong, Zhiyuan Sun, Norman Shi, Guangxin Ni, Peter Kissin, Nanfang Yu, Andrew Millis, Michael Fogler, Michal Lipson, Xiaodong Xu, Xiaoyang Zhu, James Hone, Richard Averitt, Angel Rubio, Dmitri Basov

Proceedings Volume 11694, 116941I (2021) https://doi.org/10.1117/12.2589844

KEYWORDS: Semiconductors, Waveguides, Ultrafast phenomena, Scattering, Optical properties, Optical microscopy, Near field scanning optical microscopy, Near field, Nanoimaging, Femtosecond phenomena

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Proceedings Article | 5 March 2021 Presentation

Resonant wavefront-shaping metasurfaces

Nanfang Yu

Proceedings Volume 11695, 1169507 (2021) https://doi.org/10.1117/12.2582856

KEYWORDS: Wavefronts, Visible radiation, Photonic devices, Optical filters, Lenses, Dielectrics, Control systems, Augmented reality

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Proceedings Article | 6 September 2017 Presentation + Paper

Butterflies regulate wing temperatures using radiative cooling

Cheng-Chia Tsai, Norman Nan Shi, Crystal Ren, Julianne Pelaez, Gary Bernard, Nanfang Yu, Naomi Pierce

Proceedings Volume 10367, 103670A (2017) https://doi.org/10.1117/12.2274297

KEYWORDS: Temperature metrology, Thermography, Mid-IR, Temperature sensors, Neurons, Solar radiation, Head, Abdomen, Nanostructures, Infrared radiation

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Proceedings Article | 6 September 2017 Presentation + Paper

Nano-structured wild moth cocoon fibers as radiative cooling and waveguiding optical materials

Norman Nan Shi, Cheng-Chia Tsai, Gary Bernard, Catherine Craig, Nanfang Yu

Proceedings Volume 10367, 1036708 (2017) https://doi.org/10.1117/12.2273586

KEYWORDS: Optical fibers, Waveguides, Visible radiation, Comets, Near infrared, Reflectivity, Light wave propagation, Photonic crystals, Nanophotonics, Optical properties

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SPIE Journal Paper | 5 December 2012

Reflection and refraction of light from metasurfaces with phase discontinuities

Francesco Aieta, Ali Kabiri, Patrice Genevet, Nanfang Yu, Mikhail Kats, Zeno Gaburro, Federico Capasso

JNP, Vol. 6, Issue 01, 063532, (December 2012) https://doi.org/10.1117/12.10.1117/1.JNP.6.063532

KEYWORDS: Refraction, Interfaces, Spherical lenses, Refractive index, Reflection, Antennas, Geometrical optics, Silicon, Lenses, Polarization

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Proceedings Article | 27 November 2012 Paper

Micro-cavity lasers with directional emission

Changling Yan, Qijie Wang, Nanfang Yu

Proceedings Volume 8555, 85551V (2012) https://doi.org/10.1117/12.999917

KEYWORDS: Quantum cascade lasers, Laser damage threshold, Pulsed laser operation, Optoelectronic devices, Cladding, Semiconductor lasers, Integrated optics, Optical microcavities, Refractive index, Geometrical optics

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Proceedings Article | 7 March 2012 Paper

Doubly-corrugated spoof-insulator-spoof waveguides

Mikhail Kats, David Woolf, Romain Blanchard, Nanfang Yu, Federico Capasso

Proceedings Volume 8261, 82610G (2012) https://doi.org/10.1117/12.907487

KEYWORDS: Waveguides, Dispersion, Surface plasmons, Interfaces, Plasmonics, Terahertz radiation, Reflection, Solids, Wave propagation, Waveguide modes

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SPIE Journal Paper | 1 November 2010

Nonlinear coupling of transverse modes in quantum cascade lasers

Aleksander Wojcik, Nanfang Yu, Laurent Diehl, Federico Capasso, Alexey Belyanin

OE, Vol. 49, Issue 11, 111114, (November 2010) https://doi.org/10.1117/12.10.1117/1.3498773

KEYWORDS: Quantum cascade lasers, Mode locking, Nonlinear optics, Waveguides, Optical engineering, Beam steering, Bistability, Numerical analysis, Semiconductor lasers, Polarization

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Proceedings Article | 12 February 2010 Paper

Surface-emitting THz sources based on difference-frequency generation in mid-infrared quantum cascade lasers

M. Geiser, C. Pflügl, A. Belyanin, Q. J. Wang, N. Yu, M. Belkin, T. Edamura, H. Kan, M. Fischer, A. Wittmann, J. Faist, Federico Capasso

Proceedings Volume 7616, 76160R (2010) https://doi.org/10.1117/12.845066

KEYWORDS: Terahertz radiation, Mid-IR, Quantum cascade lasers, Waveguides, Laser damage threshold, Polarization, Semiconducting wafers, Modes of laser operation, Diffraction gratings, Measurement devices

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Showing 5 of 11 publications

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