9 papers
Electron-wave-stimulated mid-infrared emission from graphene-substrate quantum oscillators
Sunhwa Hong, Moo Jin Kwak, Yunseok Lee +15
Generating tunable, high-intensity mid-infrared (MIR) to terahertz (THz) radiation on-chip remains a formidable challenge due to the rigid spectral limits of conventional thermal e…
Interference-Based 3D Optical Cold Damping of a Levitated Nanoparticle
Youssef Ezzo, Seyed Khalil Alavi, Sungkun Hong
Achieving efficient three-dimensional feedback cooling of levitated nanoparticles is a key requirement for precision sensing and quantum control in levitated optomechanics. Here we…
Compact vacuum levitation and control platform with a single 3D-printed fiber lens
Seyed Khalil Alavi, Jose Manuel Monterrosas Romero, Pavel Ruchka +3
Levitated dielectric particles in a vacuum have emerged as a new platform in quantum science, with applications ranging from precision acceleration and force sensing to testing qua…
Efficient, inverse large-scale optimization of diffractive lenses
Marco Gerhardt, Sungkun Hong, Moosung Lee
Scalable photonic optimization holds the promise of significantly enhancing the performance of diffractive lenses across a wide range of photonic applications. However, the high co…
Interference-enhanced optical force detection of weak light fields using a levitated nanoparticle
Seyed K. Alavi, Youssef Ezzo, Ashik Pulikkathara +1
Optically levitated nanoparticles in vacuum provide a highly sensitive platform for probing weak light-matter interactions. In this work, we present an interference-based method to…
Inverse Microparticle Design for Enhanced Optical Trapping and Detection Efficiency in All Six Degrees of Freedom
Moosung Lee, Benjamin A. Stickler, Thomas Pertsch +1
Achieving quantum-limited motional control of optically trapped particles beyond the sub-micrometer scale is an outstanding problem in levitated optomechanics. A key obstacle is so…