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View article: Seeing the Unseen -- Boosted Absorption Imaging and Spectroscopy Using a Scanning Microresonator
Seeing the Unseen -- Boosted Absorption Imaging and Spectroscopy Using a Scanning Microresonator Open
Optical detection of nanoscale objects without relying on fluorescence is a current challenge due to their extremely weak interaction with light. Resonator-enhanced absorption microscopy is a novel tool to heavily boost the light-matter in…
View article: Ultra-Sensitive Extinction Measurements of Optically Active Defects in Monolayer MoS<sub>2</sub>
Ultra-Sensitive Extinction Measurements of Optically Active Defects in Monolayer MoS<sub>2</sub> Open
We utilize cavity-enhanced extinction spectroscopy to directly quantify the optical absorption of defects in MoS2 generated by helium ion bombardment. We achieve hyperspectral imaging of specific defect patterns with a detection limit belo…
Probing Trions at Chemically Tailored Trapping Defects Open
Trions, charged excitons that are reminiscent of hydrogen and positronium ions, have been intensively studied for energy harvesting, light-emitting diodes, lasing, and quantum computing applications because of their inherent connection wit…
Photon Correlation Spectroscopy of Luminescent Quantum Defects in Carbon Nanotubes Open
[Image: see text] Defect-decorated single-wall carbon nanotubes have shown rapid growing potential for imaging, sensing, and the development of room-temperature single-photon sources. The key to the highly nonclassical emission statistics …
Synthesis and cryogenic spectroscopy of narrow-diameter single-wall carbon nanotubes Open
We report chemical vapor deposition and cryogenic photoluminescence studies of narrow-diameter single-wall carbon nanotubes. Our systematic study of synthesis parameters identifies means to control the average length, diameter, and areal d…