Hertz-linewidth semiconductor lasers using CMOS-ready ultra-high-$Q$ microresonators

Kavli Affiliate: Kerry J. Vahala | First 5 Authors: Warren Jin, Qi-Fan Yang, Lin Chang, Boqiang Shen, Heming Wang | Summary: Driven by narrow-linewidth bench-top lasers, coherent optical systems spanning optical communications, metrology and sensing provide unrivalled performance. To transfer these capabilities from the laboratory to the real world, a key missing ingredient is a […]


Continue.. Hertz-linewidth semiconductor lasers using CMOS-ready ultra-high-$Q$ microresonators

Topological phonon transport in an optomechanical system

Kavli Affiliate: Oskar Painter | First 5 Authors: Hengjiang Ren, Tirth Shah, Hannes Pfeifer, Christian Brendel, Vittorio Peano | Summary: Recent advances in cavity-optomechanics have now made it possible to use light not just as a passive measuring device of mechanical motion, but also to manipulate the motion of mechanical objects down to the level […]


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Tunable intraband optical conductivity and polarization-dependent epsilon-near-zero behavior in black phosphorus

Kavli Affiliate: Harry A. Atwater | First 5 Authors: Souvik Biswas, William S. Whitney, Meir Y. Grajower, Kenji Watanabe, Takashi Taniguchi | Summary: Black phosphorus (BP) offers considerable promise for infrared and visible photonics. Efficient tuning of the bandgap and higher subbands in BP by modulation of the Fermi level or application of vertical electric […]


Continue.. Tunable intraband optical conductivity and polarization-dependent epsilon-near-zero behavior in black phosphorus

Multifunctional on-chip storage at telecommunication wavelength for quantum networks

Kavli Affiliate: Andrei Faraon | First 5 Authors: Ioana Craiciu, Mi Lei, Jake Rochman, John G. Bartholomew, Andrei Faraon | Summary: Quantum networks will enable a variety of applications, from secure communication and precision measurements to distributed quantum computing. Storing photonic qubits and controlling their frequency, bandwidth and retrieval time are important functionalities in future […]


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Nanofibril-mediated Fracture Resistance of Bone

Kavli Affiliate: Julia R. Greer | First 5 Authors: Ottman A. Tertuliano, Bryce W. Edwards, Lucas R. Meza, Vikram S. Deshpande, Julia R. Greer | Summary: Natural hard composites like human bone possess a combination of strength and toughness that exceeds that of their constituents and of many engineered composites. This augmentation is attributed to […]


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Microtextures in the Chelyabinsk impact breccia reveal the history of Phosphorus-Olivine-Assemblages in chondrites

Kavli Affiliate: Paul D. Asimow | First 5 Authors: Craig R. Walton, Ioannis Baziotis, Ana Černok, Oliver Shorttle, Paul D. Asimow | Summary: The geochemistry and textural associations of chondritic phosphate minerals can provide insights into the geological histories of parental asteroids, but the processes governing their formation and deformation remain poorly constrained. Here, we […]


Continue.. Microtextures in the Chelyabinsk impact breccia reveal the history of Phosphorus-Olivine-Assemblages in chondrites

Surface wave non-reciprocity via time-modulated metamaterials

Kavli Affiliate: Chiara Daraio | First 5 Authors: Antonio Palermo, Paolo Celli, Behrooz Yousefzadeh, Chiara Daraio, Alessandro Marzani | Summary: We investigate how Rayleigh waves interact with modulated resonators located on the free surface of a semi-infinite elastic medium. We begin by studying the dynamics of a single resonator with time-modulated stiffness. In particular, we […]


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Nanoscale axial position and orientation measurement of hexagonal boron nitride quantum emitters using a tunable nanophotonic environment

Kavli Affiliate: Harry A. Atwater | First 5 Authors: Pankaj K. Jha, Hamidreza Akbari, Yonghwi Kim, Souvik Biswas, Harry A. Atwater | Summary: Color centers in hexagonal boron nitride (hBN) have emerged as promising candidates for single-photon emitters (SPEs) due to their bright emission characteristics at room temperature. In contrast to mono- and few-layered hBN, […]


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EarthFinder Probe Mission Concept Study: Characterizing nearby stellar exoplanet systems with Earth-mass analogs for future direct imaging

Kavli Affiliate: Kerry Vahala | First 5 Authors: Peter Plavchan, Gautam Vasisht, Chas Beichman, Heather Cegla, Xavier Dumusque | Summary: EarthFinder is a NASA Astrophysics Probe mission concept selected for study as input to the 2020 Astrophysics National Academies Decadal Survey. The EarthFinder concept is based on a dramatic shift in our understanding of how […]


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Dynamics of an inverted cantilever plate at moderate angle of attack

Kavli Affiliate: Morteza Gharib | First 5 Authors: Cecilia Huertas-Cerdeira, Andres Goza, John E. Sader, Tim Colonius, Morteza Gharib | Summary: The dynamics of a cantilever plate clamped at its trailing edge and placed at a moderate angle ($alpha leq 30^{circ}$) to a uniform flow are investigated experimentally and numerically, and a large experimental data […]


Continue.. Dynamics of an inverted cantilever plate at moderate angle of attack