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539 results
2018
Michele Tamagnone, Antonio Ambrosio, Kundan Chaudhary, Luis A. Jauregui, Philip Kim, William L. Wilson, and Federico Capasso. 2018. “Ultra-Confined Mid-Infrared Resonant Phonon Polaritons in Van Der Waals Nanostructures”. SCIENCE ADVANCES, 4, 6. doi:10.1126/sciadv.aat7189
Michele Tamagnone, Antonio Ambrosio, Kundan Chaudhary, Luis A. Jauregui, Philip Kim, William L. Wilson, and Federico Capasso. 2018. “Ultra-Confined Mid-Infrared Resonant Phonon Polaritons in Van Der Waals Nanostructures”. SCIENCE ADVANCES, 4, 6. doi:10.1126/sciadv.aat7189
Hexagonal boron nitride has been proposed as an excellent candidate to achieve subwavelength infrared light manipulation owing to its polar lattice structure, enabling excitation of low-loss phonon polaritons with hyperbolic dispersion. We show that...
Federico Capasso. 2018. “The Future and Promise of Flat Optics: A Personal Perspective”. NANOPHOTONICS, 7, 6, SI, Pp. 953-57. doi:10.1515/nanoph-2018-0004
Federico Capasso. 2018. “The Future and Promise of Flat Optics: A Personal Perspective”. NANOPHOTONICS, 7, 6, SI, Pp. 953-57. doi:10.1515/nanoph-2018-0004
Metasurfaces enable the redesign of optical components into thin, planar and multifunctional elements, promising a major reduction in footprint and system complexity as well as the introduction of new optical functions. The planarity of flat optics will...
Paul Chevalier, Marco Piccardo, Guy-Mael Naurois, Ilan Gabay, Abraham Katzir, and Federico Capasso. 2018. “In-Water Fiber-Optic Evanescent Wave Sensing With Quantum Cascade Lasers”. SENSORS AND ACTUATORS B-CHEMICAL, 262, Pp. 195-99. doi:10.1016/j.snb.2018.01.159
Paul Chevalier, Marco Piccardo, Guy-Mael Naurois, Ilan Gabay, Abraham Katzir, and Federico Capasso. 2018. “In-Water Fiber-Optic Evanescent Wave Sensing With Quantum Cascade Lasers”. SENSORS AND ACTUATORS B-CHEMICAL, 262, Pp. 195-99. doi:10.1016/j.snb.2018.01.159
The ability of detecting harmful chemicals is an important safety requirement for drinking water systems. An apparatus for in-water chemical sensing based on the absorption of evanescent waves generated by a quantum cascade laser array propagating in a...
Lulu Liu, Andrea Di Donato, Vincent Ginis, Simon Kheifets, Arman Amirzhan, and Federico Capasso. 2018. “Three-Dimensional Measurement of the Helicity-Dependent Forces on a Mie Particle”. PHYSICAL REVIEW LETTERS, 120, 22. doi:10.1103/PhysRevLett.120.223901
Lulu Liu, Andrea Di Donato, Vincent Ginis, Simon Kheifets, Arman Amirzhan, and Federico Capasso. 2018. “Three-Dimensional Measurement of the Helicity-Dependent Forces on a Mie Particle”. PHYSICAL REVIEW LETTERS, 120, 22. doi:10.1103/PhysRevLett.120.223901
Recently, it was shown that a Mie particle in an evanescent field ought to experience optical forces that depend on the helicity of the totally internally reflected beam. As yet, a direct measurement of such helicity-dependent forces has been elusive, as...
Benedikt Groever, Noah A. Rubin, J. P. BALTHASAR MUELLER, Robert C. Devlin, and Federico Capasso. 2018. “High-Efficiency Chiral Meta-Lens”. SCIENTIFIC REPORTS, 8. doi:10.1038/s41598-018-25675-3
Benedikt Groever, Noah A. Rubin, J. P. BALTHASAR MUELLER, Robert C. Devlin, and Federico Capasso. 2018. “High-Efficiency Chiral Meta-Lens”. SCIENTIFIC REPORTS, 8. doi:10.1038/s41598-018-25675-3
We present here a compact metasurface lens element that enables simultaneous and spatially separated imaging of light of opposite circular polarization states. The design overcomes a limitation of previous chiral lenses reliant on the traditional...
Cheng-Wei Qiu, Shuang Zhang, Federico Capasso, and Yuri Kivshar. 2018. “Ultra-Capacity Metasurfaces With Low Dimension and High Efficiency”. ACS PHOTONICS, 5, 5, SI, Pp. 1640-42. doi:10.1021/acsphotonics.8b00574
Cheng-Wei Qiu, Shuang Zhang, Federico Capasso, and Yuri Kivshar. 2018. “Ultra-Capacity Metasurfaces With Low Dimension and High Efficiency”. ACS PHOTONICS, 5, 5, SI, Pp. 1640-42. doi:10.1021/acsphotonics.8b00574
Zin Lin, Benedikt Groever, Federico Capasso, Alejandro W. Rodriguez, and Marko Loncar. 2018. “Topology-Optimized Multilayered Metaoptics”. PHYSICAL REVIEW APPLIED, 9, 4. doi:10.1103/PhysRevApplied.9.044030
Zin Lin, Benedikt Groever, Federico Capasso, Alejandro W. Rodriguez, and Marko Loncar. 2018. “Topology-Optimized Multilayered Metaoptics”. PHYSICAL REVIEW APPLIED, 9, 4. doi:10.1103/PhysRevApplied.9.044030
We propose a general topology-optimization framework for metasurface inverse design that can automatically discover highly complex multilayered metastructures with increased functionalities. In particular, we present topology-optimized multilayered...
Benedikt Groever, Charles Roques-Carmes, STEVEN J. BYRNES, and Federico Capasso. 2018. “Substrate Aberration and Correction for Meta-Lens Imaging: An Analytical Approach”. APPLIED OPTICS, 57, 12, Pp. 2973-80. doi:10.1364/AO.57.002973
Benedikt Groever, Charles Roques-Carmes, STEVEN J. BYRNES, and Federico Capasso. 2018. “Substrate Aberration and Correction for Meta-Lens Imaging: An Analytical Approach”. APPLIED OPTICS, 57, 12, Pp. 2973-80. doi:10.1364/AO.57.002973
Meta-lenses based on flat optics enabled a fundamental shift in lens production-providing an easier manufacturing process with an increase in lens profile precision and a reduction in size and weight. Here we present an analytical approach to correct...
Marco Piccardo, Dmitry Kazakov, Noah A. Rubin, Paul Chevalier, Yongrui Wang, Feng Xie, Kevin Lascola, Alexey Belyanin, and Federico Capasso. 2018. “Time-Dependent Population Inversion Gratings in Laser Frequency Combs”. OPTICA, 5, 4, Pp. 475-78. doi:10.1364/OPTICA.5.000475
Marco Piccardo, Dmitry Kazakov, Noah A. Rubin, Paul Chevalier, Yongrui Wang, Feng Xie, Kevin Lascola, Alexey Belyanin, and Federico Capasso. 2018. “Time-Dependent Population Inversion Gratings in Laser Frequency Combs”. OPTICA, 5, 4, Pp. 475-78. doi:10.1364/OPTICA.5.000475
In standing-wave lasers, spatial hole burning induces a static grating of the population inversion, enabling multimode operation with several independent lasing modes. In the presence of a mode-locking mechanism, these modes may become correlated, giving...
Marco Piccardo, Paul Chevalier, Tobias S. Mansuripur, Dmitry Kazakov, Yongrui Wang, Noah A. Rubin, Lauren Meadowcroft, Alexey Belyanin, and Federico Capasso. 2018. “The Harmonic State of Quantum Cascade Lasers: Origin, Control, and Prospective Applications [Invited]”. OPTICS EXPRESS, 26, 8, Pp. 9464-83. doi:10.1364/OE.26.009464
Marco Piccardo, Paul Chevalier, Tobias S. Mansuripur, Dmitry Kazakov, Yongrui Wang, Noah A. Rubin, Lauren Meadowcroft, Alexey Belyanin, and Federico Capasso. 2018. “The Harmonic State of Quantum Cascade Lasers: Origin, Control, and Prospective Applications [Invited]”. OPTICS EXPRESS, 26, 8, Pp. 9464-83. doi:10.1364/OE.26.009464
The recently discovered ability of the quantum cascade laser to produce a harmonic frequency comb has attracted new interest in these devices for both applications and fundamental laser physics. In this review we present an extensive experimental...
Daniel Wintz, Kundan Chaudhary, Ke Wang, Luis A. Jauregui, Antonio Ambrosio, Michele Tamagnone, Alexander Y. Zhu, Robert C. Devlin, Jesse D. Crossno, Kateryna Pistunova, Kenji Watanabe, Takashi Taniguchi, Philip Kim, and Federico Capasso. 2018. “Guided Modes of Anisotropic Van Der Waals Materials Investigated by Near-Field Scanning Optical Microscopy”. ACS PHOTONICS, 5, 4, Pp. 1196-1201. doi:10.1021/acsphotonics.7b01518
Daniel Wintz, Kundan Chaudhary, Ke Wang, Luis A. Jauregui, Antonio Ambrosio, Michele Tamagnone, Alexander Y. Zhu, Robert C. Devlin, Jesse D. Crossno, Kateryna Pistunova, Kenji Watanabe, Takashi Taniguchi, Philip Kim, and Federico Capasso. 2018. “Guided Modes of Anisotropic Van Der Waals Materials Investigated by Near-Field Scanning Optical Microscopy”. ACS PHOTONICS, 5, 4, Pp. 1196-1201. doi:10.1021/acsphotonics.7b01518
Guided modes in nanometer thick anisotropic van der Waals materials are experimentally investigated and their refractive indices in visible wavelengths are extracted. Our method involves near-field scanning optical microscopy of waveguide (transverse...
Zhujun Shi, Mohammadreza Khorasaninejad, Yao-Wei Huang, Charles Roques-Carmes, Alexander Y. Zhu, Wei Ting Chen, Vyshakh Sanjeev, Zhao-Wei Ding, Michele Tamagnone, Kundan Chaudhary, Robert C. Devlin, Cheng-Wei Qiu, and Federico Capasso. 2018. “Single-Layer Metasurface With Controllable Multiwavelength Functions”. NANO LETTERS, 18, 4, Pp. 2420-27. doi:10.1021/acs.nanolett.7b05458
Zhujun Shi, Mohammadreza Khorasaninejad, Yao-Wei Huang, Charles Roques-Carmes, Alexander Y. Zhu, Wei Ting Chen, Vyshakh Sanjeev, Zhao-Wei Ding, Michele Tamagnone, Kundan Chaudhary, Robert C. Devlin, Cheng-Wei Qiu, and Federico Capasso. 2018. “Single-Layer Metasurface With Controllable Multiwavelength Functions”. NANO LETTERS, 18, 4, Pp. 2420-27. doi:10.1021/acs.nanolett.7b05458
In this paper, we report dispersion-engineered metasurfaces with distinct functionalities controlled by wavelength. Unlike previous approaches based on spatial multiplexing or vertical stacking of metasurfaces, we utilize a single phase profile with...