Table 2 Emission cross-sections and Judd–Ofelt intensity parameters Ωλ (λ = 2, 4, 6) of Er3+ in different glass hosts.

From: The role of tungsten oxide in Er3+-doped bismuth-germanate glasses for optical amplification in L-band

Glass composition

\({\sigma }_{ems}\) (10–21 cm2)

Ω2 (10–20 cm2)

Ω4 (10–20 cm2)

Ω6 (10–20 cm2)

References

5W

7.4

6.89

1.94

1

This work

10W

7.7

8.11

2.04

1.04

This work

GeO2–Bi2O3

7

4.5

1.6

0.7

48

GeO2–Bi2O3–PbO

7

4.1

1.6

0.2

9

GeO2–PbO

6

4.1

1.6

0.5

9

Silicate

4.5

5

2.1

1

49

Tellurite

7.5

4.98

1.25

1.43

50

ZBLAN

5.8

2.9

1.8

1

51,52

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