Table 1 PCC and R2 score of the output features for DNN-TP trained by three different methodologies.

From: Efficient nanophotonic devices optimization using deep neural network trained with physics-based transfer learning methodology

Output parameter

Direct learning

Generic Transfer Learning

Physics-based transfer learning

PCC

R2

PCC

R2

PCC

R2

Modal Gain

0.913

0.831

0.916 (+ 0.39%)

0.837 (+ 0.73%)

0.922 (+ 0.99%)

0.850 (+ 2.19%)

Linewidth

0.890

0.789

0.886 (-0.48%)

0.780 (-0.03%)

0.891 (+ 0.11%)

0.792 (+ 0.47%)

Emission wavelength

0.966

0.932

0.967 (+ 0.15%)

0.935 (+ 0.28%)

0.967 (+ 0.17%)

0.935 (+ 0.36%)

Effective injection energy

0.984

0.968

0.984 (-0.03%)

0.967 (-0.06%)

0.985 (+ 0.08%)

0.969 (+ 0.15%)

Effective extraction energy

0.990

0.979

0.992 (+ 0.19%)

0.984 (+ 0.54%)

0.992 (+ 0.17%)

0.984 (+ 0.47%)

Average

0.948

0.900

0.949 (+ 0.04%)

0.901 (+ 0.09%)

0.951 (+ 0.29%)

0.906 (+ 0.69%)