Table 2 State-of-the-art nonlinear coefficients γwg for various waveguide platforms

From: Ultrahigh free-electron Kerr nonlinearity in all-semiconductor waveguides for all-optical nonlinear modulation of mid-infrared light

Waveguide platform

λ0 (μm)

γwg (W−1 km−1)

Si

1.55

103–105

SiN

1.55

101–102

AlGaAs

1.55

103–105

LiNbO3

1.55

100–101

Si-organic slot waveguides with

  

Nonlinear polymers

1.55

7 × 106

Nanoshell plasmonic waveguides

1.55

4.1 × 104

Metal–ITO–metal slot waveguides

≈1.4

107

This work

8

4 × 107

Back to article page