TY - JOUR
T1 - Atom-mediated spontaneous parametric down-conversion in periodic waveguides
AU - Saravi, Sina
AU - Poddubny, Alexander N.
AU - Pertsch, Thomas
AU - Setzpfandt, Frank
AU - Sukhorukov, Andrey A.
N1 - Publisher Copyright:
© 2017 Optical Society of America.
PY - 2017/11/15
Y1 - 2017/11/15
N2 - We propose the concept of atom-mediated spontaneous parametric down-conversion, in which photon-pair generation can take place only in the presence of a single two-level emitter, relying on the bandgap evanescent modes of a nonlinear periodic waveguide. Using a guided signal mode, an evanescent idler mode, and an atom-like emitter with the idler’s transition frequency embedded in the structure, we find a heralded excitation mechanism, in which the detection of a signal photon outside the structure heralds the excitation of the embedded emitter. We use a rigorous Green’s function quantization method to model this heralding mechanism in a 1D periodic waveguide and determine its robustness against losses.
AB - We propose the concept of atom-mediated spontaneous parametric down-conversion, in which photon-pair generation can take place only in the presence of a single two-level emitter, relying on the bandgap evanescent modes of a nonlinear periodic waveguide. Using a guided signal mode, an evanescent idler mode, and an atom-like emitter with the idler’s transition frequency embedded in the structure, we find a heralded excitation mechanism, in which the detection of a signal photon outside the structure heralds the excitation of the embedded emitter. We use a rigorous Green’s function quantization method to model this heralding mechanism in a 1D periodic waveguide and determine its robustness against losses.
UR - http://www.scopus.com/inward/record.url?scp=85033793403&partnerID=8YFLogxK
U2 - 10.1364/OL.42.004724
DO - 10.1364/OL.42.004724
M3 - Article
SN - 0146-9592
VL - 42
SP - 4724
EP - 4727
JO - Optics Letters
JF - Optics Letters
IS - 22
ER -