Fig. 2. (a) Basic principles of elastic and inelastic electron tunneling. (b) First experiment of quantum-tunneling-based light emission from a metal-insulator-metal (MIM) tunnel junction. Adapted with permission [
32]. ©1977, American Institute of Physics. (c) Roughened tunnel junction for photon emission. Reprinted with permission [
49]. ©1979, American Physical Society. (d) Thin-film-based transducer that converts electrical signal into plasmonic signal for on-chip generation of plasmons, and vice versa for on-chip detection for plasmons [
39]. ©2017, Nature Publishing Group. (e) Scanning tunneling microscope (STM) light emission from atomic silver chains. Image reproduced with permission [
54]. ©2009, The American Association for the Advancement of Science.
© Appl. Sci. Converg. Technol.