Table 2 The Calculated Overlap Factors of The Hybrid Waveguide (a2 = b2 = 3 μm).

From: Polymer-Silica Hybrid On-Chip Amplifier with Vertical Pumping Method

a2 = b2

c

R

n2 (980 nm)

Γs

Γp

Γ′s

3 μm

4.8 μm

1.6

1.4626

0.5590

0.5842

0.4396

3 μm

5.1 μm

1.7

1.4619

0.5823

0.6182

0.4583

3 μm

5.4 μm

1.8

1.4612

0.6012

0.6439

0.4736

3 μm

5.7 μm

1.9

1.4607

0.5380

0.6079

0.4241

3 μm

6.0 μm

2.0

1.4601

0.5542

0.6289

0.4326

3 μm

6.3 μm

2.1

1.4598

0.5778

0.6578

0.4494

3 μm

6.6 μm

2.2

1.4593

0.5916

0.6738

0.4570

3 μm

6.9 μm

2.3

1.4590

0.5011

0.6120

0.3861

  1. a = the width of core; b = the height of silica core; c = the height of polymer core; n2 = the refractive index of polymer core; R = length-width ratio (The refractive index of n2 is reduced by approximately 0.006 at 1550 nm).
Back to article page