Transition-metal-ion Doped Tunable Crystalline Fiber Lasers (Invited)

Yi-Hsun LI; Chun-Yi KUO; Sheng-Lung HUANG

doi:10.3788/gzxb20204911.1149010

Journals >Acta Photonica Sinica >Volume 49 >Issue 11 >Page 144 > Article

Acta Photonica Sinica
Vol. 49, Issue 11, 144 (2020)

Transition-metal-ion Doped Tunable Crystalline Fiber Lasers (Invited)

Yi-Hsun LI, Chun-Yi KUO, and Sheng-Lung HUANG

Author Affiliations

Graduate Institute of Photonics and Optoelectronics， Taiwan University， Taipei10617， China

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DOI: 10.3788/gzxb20204911.1149010 Cite this Article

Yi-Hsun LI, Chun-Yi KUO, Sheng-Lung HUANG. Transition-metal-ion Doped Tunable Crystalline Fiber Lasers (Invited)[J]. Acta Photonica Sinica, 2020, 49(11): 144 Copy Citation Text

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Parameters	Symbol	Ti³⁺:sapphire	Cr⁴⁺:YAG
Cross sectional mage	-
Core diameter	-	Short-axial: 12 μm Long-axial: 16 μm	16 μm
Refractive index	$n$	Core: 1.77 Cladding: 1.497@446 nm	Core: 1.809 Inner-clad: 1.64 Outer-clad: 1.45@1 450 nm
Active ion concentration	$N$	1.65 $\times$ 10¹⁹ cm^-3	3.41 $\times$ 10¹⁷ cm^-3
Absorption cross section	$σ_{a}$	5.7 $\times$ 10^-20cm²@ 532 nm	22 $\times$ 10^-19cm²@ 1 064 nm
Emission cross section	$σ_{e}$	2.4 $\times$ 10^-19cm²@ 790 nm	2.67 $\times$ 10^-19cm²@ 1 431 nm
Pump excited state absorption	$σ_{e s a}^{p}$	-	5.1 $\times$ 10^-19cm²@ 1064 nm
Signal excited state absorption	$σ_{e s a}^{e}$	-	1.28 $\times$ 10^-19cm²@ 1 431 nm
Fluorescence lifetime @300 K	$τ_{f}$	3.15 μs	4.2 μs
Propagation loss	$α_{p l}$	0.045 dB/cm	0.027 dB/cm

Table 1. Summary of the physical and optical properties of the glass-clad Ti³⁺:sapphire and Cr⁴⁺:YAG crystal fibers

Yi-Hsun LI, Chun-Yi KUO, Sheng-Lung HUANG. Transition-metal-ion Doped Tunable Crystalline Fiber Lasers (Invited)[J]. Acta Photonica Sinica, 2020, 49(11): 144

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