Subwavelength emitters in the near-infrared based on mercury telluride naoncrystals

Abstract

The investigation of the optical properties of near-infrared-emitting mercury telluride (HgTe) nanocrystals coated on latex spheres by using fluorescence confocal microscopy (FCM) was discussed. The FCM was applied to isolate single nanospheres and measure their bleaching rates and fluorescence lifetime. It was suggested that the construction and investigation of a subwavelength infrared emitter was possible even if the detection of single infrared emitting quantum dots remained elusive. It was observed that the single layer sphere was a good candidate for CQED experiments in the NIR as they display near single exponential decay with long lifetimes.