Lighting of a monochromatic scatterer with virtual gain

Abstract In this work, we discuss the scattering features of a dipolar particle made of large refractive index material by employing the concept of virtual gain and virtual loss. The virtual gain and loss can be achieved in a lossless passive nanostructure by shaping the temporal waveform of inciden...

Full description

Saved in:
Bibliographic Details
Published inPhysica scripta Vol. 96; no. 9; pp. 95501 - 95507
Main Author Ali, Rfaqat
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.09.2021
Subjects
dipolar light
magnetic light
monochromatic nano scatterer
Virtual gain
Online AccessGet full text

Cover

More Information
Summary:Abstract In this work, we discuss the scattering features of a dipolar particle made of large refractive index material by employing the concept of virtual gain and virtual loss. The virtual gain and loss can be achieved in a lossless passive nanostructure by shaping the temporal waveform of incident signals in the complex frequency plane. We show that an appropriate tuning of excitation time of the impinging field allows to capture and release the electromagnetic energy on-demand for an arbitrary time scale in a lossless nanosphere. Thus, the nanosphere obliges to emit monochromatic magnetic light which can be tuned throughout the whole visible spectrum by varying the size of the nanosphere. This proposal may find fruitful applications in lab-on-a-chip technologies and the realization of monochromatic sectoral multipole light source with a large quality factor at nanoscale level.
ISSN:0031-8949
1402-4896
DOI:10.1088/1402-4896/abf8eb