Optical Nonlinear Enhancement and Dynamics of Bi Doped Chalcogenide Glass Films

Tongtong Wang; Jianxing Zhao; Yinghao Cao; Nannan Gong; Yinglin Song; Jianhong Zhou

doi:10.3788/AOS231354

Acta Optica Sinica, Volume. 43, Issue 23, 2319001(2023)

Optical Nonlinear Enhancement and Dynamics of Bi Doped Chalcogenide Glass Films

Tongtong Wang¹, Jianxing Zhao¹, Yinghao Cao¹, Nannan Gong¹, Yinglin Song², and Jianhong Zhou^1,3、*

Author Affiliations

¹School of Photoelectric Engineering, Changchun University of Science and Technology, Changchun 130022, Jilin , China

²Physics Department, Harbin Institute of Technology, Harbin 150001, Heilongjiang , China

³Key Laboratory of Optoelectric Measurement and Optical Information Transmission Technology of Ministry of Education, Changchun University of Science and Technology, Changchun 130022, Jilin , China

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Figures & Tables(9)

Fig. 1. Experimental setup for open aperture Z-scan

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Fig. 2. Experimental setup for open aperture PO pump-probe detection

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Fig. 3. Transmission and absorption spectra of samples. (a) Transmission spectra; (b) absorption spectra

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Fig. 4. Relationship between ${(α h ν)}^{1 / 2}$ and $h ν$

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Fig. 5. Open aperture Z-scan results of sample. (a) GSS 0; (b) GSS 1; (c) GSS 2; (d) GSS 3

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Fig. 6. Energy level model diagram of sample

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Fig. 7. Open aperture pump probe results of sample. (a) GSS 0; (b) GSS 1; (c) GSS 2; (d) GSS 3

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Table 1. Specific composition of sample
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Table 1. Specific composition of sample
Codename Composition
Bi Ge Sb Se
GSS 0 0 28.0 12.5 59.5
GSS 1 7.4 26.8 11.6 54.2
GSS 2 13.8 25.0 10.8 50.4
GSS 3 19.4 23.4 10.1 47.1

Table 2. Optical parameters of prepared film sample

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Table 2. Optical parameters of prepared film sample

Sample	E_g /eV	Tauc constant B^1/2	C_E /（kJ/mol）	β/（10^-6 m /W）	σ₁ /（10^-19 m²）	τ₁ /ns
GSS 0	1.81	320	118.9	0.98	1.50	1.60
GSS 1	1.55	286	113.2	1.71	1.90	1.85
GSS 2	1.38	279	110.2	2.44	2.25	4.88
GSS 3	1.14	276	107.1	3.78	2.51	6.51

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Tongtong Wang, Jianxing Zhao, Yinghao Cao, Nannan Gong, Yinglin Song, Jianhong Zhou. Optical Nonlinear Enhancement and Dynamics of Bi Doped Chalcogenide Glass Films[J]. Acta Optica Sinica, 2023, 43(23): 2319001

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