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Title: Photonics and spectroscopy in nanojunctions: a theoretical insight

The progress of experimental techniques at the nanoscale in the last decade made optical measurements in current-carrying nanojunctions a reality, thus indicating the emergence of a new field of research coined optoelectronics. Optical spectroscopy of open nonequilibrium systems is a natural meeting point for (at least) two research areas: nonlinear optical spectroscopy and quantum transport, each with its own theoretical toolbox. We review recent progress in the field comparing theoretical treatments of optical response in nanojunctions as is accepted in nonlinear spectroscopy and quantum transport communities. A unified theoretical description of spectroscopy in nanojunctions is presented. Here, we argue that theoretical approaches of the quantum transport community (and in particular, the Green function based considerations) yield a convenient tool for optoelectronics when the radiation field is treated classically, and that differences between the toolboxes may become critical when studying the quantum radiation field in junctions.
Authors:
ORCiD logo [1]
  1. Univ. of California, San Diego, CA (United States). Dept. of Chemistry & Biochemistry
Publication Date:
Grant/Contract Number:
SC0006422; CHE-1565939
Type:
Accepted Manuscript
Journal Name:
Chemical Society Reviews
Additional Journal Information:
Journal Volume: 46; Journal Issue: 13; Journal ID: ISSN 0306-0012
Publisher:
Royal Society of Chemistry
Research Org:
Univ. of California, San Diego, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
77 NANOSCIENCE AND NANOTECHNOLOGY
OSTI Identifier:
1430265