TY - JOUR
T1 - Plasmonic Mirrorless Optical Parametric Oscillator
AU - Schwartz, Tal
N1 - Publisher Copyright:
Copyright © 2018 American Chemical Society.
PY - 2018/11/21
Y1 - 2018/11/21
N2 - We analyze a nondegenerate four-wave mixing process on a metal-dielectric interface in which the signal and idler waves are counter-propagating surface plasmons and the process is pumped by a free wave propagating in air. We show that, similarly to mirrorless parametric oscillations, above a certain threshold intensity of the pump, the system exhibits instability, which results in the spontaneous generation of plasmons propagating on the metal surface. Interestingly, we find that, in such a plasmonic nonlinear interaction, phase-matching is naturally fulfilled by the geometry of the process, allowing a broadband tunability of the output frequencies by varying the angle of incidence of the pump.
AB - We analyze a nondegenerate four-wave mixing process on a metal-dielectric interface in which the signal and idler waves are counter-propagating surface plasmons and the process is pumped by a free wave propagating in air. We show that, similarly to mirrorless parametric oscillations, above a certain threshold intensity of the pump, the system exhibits instability, which results in the spontaneous generation of plasmons propagating on the metal surface. Interestingly, we find that, in such a plasmonic nonlinear interaction, phase-matching is naturally fulfilled by the geometry of the process, allowing a broadband tunability of the output frequencies by varying the angle of incidence of the pump.
KW - Surface plasmons
KW - counter-propagating waves
KW - four-wave mixing
KW - parametric oscillations
KW - surface nonlinearities
UR - http://www.scopus.com/inward/record.url?scp=85056993363&partnerID=8YFLogxK
U2 - 10.1021/acsphotonics.8b01090
DO - 10.1021/acsphotonics.8b01090
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AN - SCOPUS:85056993363
SN - 2330-4022
VL - 5
SP - 4265
EP - 4269
JO - ACS Photonics
JF - ACS Photonics
IS - 11
ER -