Modeling of Mid-IR Amplifier Based on an Erbium-Doped Chalcogenide Microsphere

Table 1

Spectroscopic parameters of Er³⁺-doped Ga₅Ge₂₀Sb₁₀S₆₅ chalcogenide glass.

Parameters	Values
𝜎13 at 980 nm	1.32×10^−24m^2
𝜎32 at 2760 nm	1.60×10^−24m^2
𝐶33	20×10^−24m^2s^−1
𝐶22	30×10^−24m^2s^−1
𝐶41	5×10^−24m^2s^−1
𝜏21	1.83×10^−3s
𝜏32	1.37×10^−3s
𝜏43	1.08×10^−3s
𝜏54	0.13×10^−3s