Temperature tuning of BaGa4Se7 optical parametric oscillator

Hui Kong; Jintian Bian; Jiyong Yao; Qing Ye; Xiaoquan Sun

doi:10.3788/COL202119.021901

Journals >Chinese Optics Letters >Volume 19 >Issue 2 >Page 021901 > Article

Chinese Optics Letters
Vol. 19, Issue 2, 021901 (2021)

Temperature tuning of BaGa4Se7 optical parametric oscillator

Hui Kong^1,2, Jintian Bian^1,2,*, Jiyong Yao³, Qing Ye^1,2, and Xiaoquan Sun^1,2,**

Author Affiliations

¹State Key Laboratory of Pulsed Power Laser Technology, National University of Defense Technology, Hefei 230037, China

²Advanced Laser Technology Laboratory of Anhui Province, Hefei 230037, China

³Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China

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DOI: 10.3788/COL202119.021901 Cite this Article Set citation alerts

Hui Kong, Jintian Bian, Jiyong Yao, Qing Ye, Xiaoquan Sun, "Temperature tuning of BaGa4Se7 optical parametric oscillator," Chin. Opt. Lett. 19, 021901 (2021) Copy Citation Text

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Phase matching curves of BGSe at room temperature under (a) type I and (b) type II-B conditions (λ3=1064 nm).

Fig. 1. Phase matching curves of BGSe at room temperature under (a) type I and (b) type II-B conditions (

λ_{3} = 1064 nm

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Phase matching curve at 20°C, 80°C, and 140°C under (a) type I and (b) type II-B conditions (λ3=1064 nm, ∅=0°, 20°).

Fig. 2. Phase matching curve at 20°C, 80°C, and 140°C under (a) type I and (b) type II-B conditions (

λ_{3} = 1064 nm

\emptyset = 0 °, 20 °

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Fig. 3. Wavelength of idler light at T

= 20 ° C

and

Δ λ_{2} / Δ

T at each

θ

when

\emptyset = 0 °

under (a) type I and (b) type II-B conditions.

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Fig. 4. Schematic diagram of the experimental setup.

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Fig. 5. Output at 3611–3619 nm of BGSe (56.3°, 0°).

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Fig. 6. Idler light’s peak wavelength of BGSe (56.3°, 0°) at 30°C–140°C.

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$λ_{2}$ (20°C) [ $μm$ ]		3	3.2	3.4	3.6	3.8	4	4.2	4.4	4.6	4.8	5
I	$θ$ [°]	59.5	58.4	57.3	56.4	55.4	54.6	53.6	52.9	52.2	51.5	50.8
	$\emptyset$ [°]	4.1	4.5	5.3	3.4	4.3	1.8	5	3.3	2	1.9	3
	$λ_{2}$ (140°C) [μm]	3.28	3.48	3.69	3.90	4.11	4.32	4.53	4.75	4.96	5.18	5.40
	$Δ λ_{2} / Δ$ T [nm/°C]	2.36	2.36	2.39	2.47	2.55	2.66	2.77	2.90	3.03	3.18	3.33
II-B	$θ$ [ $°$ ]	89.3	77.6	72.6	68.8	66.1	63.9	61.9	60.2	58.7	57.4	56.2
	$\emptyset$ [ $°$ ]	8.5	3.4	1.9	5.9	4.4	1.3	2.6	2.4	2.5	1	1.4
	$λ_{2}$ (140°C) [μm]	3.12	3.33	3.55	3.76	3.97	4.19	4.40	4.62	4.84	5.05	5.27
	$Δ λ_{2} / Δ$ T [nm/°C]	0.99	1.10	1.21	1.33	1.44	1.57	1.70	1.83	1.97	2.12	2.27

Table 1. Peak of

Δ λ_{2} / Δ

T and Corresponding (

θ, \emptyset

), Matching Type When

λ_{2}

Is Fixed

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$θ$ [ $°$ ]	56.3	56.4	56.5
$\emptyset$ [ $°$ ]	5.2	3.4	0
$λ_{2}$ (140°C) [nm]	3895	3896	3892
$Δ λ_{2} / Δ$ T [nm/°C]	2.458	2.467	2.433

Table 2.

Δ λ_{2} / Δ

T When

\emptyset

Is Close to 0° and

λ_{2}

at 140°C

Hui Kong, Jintian Bian, Jiyong Yao, Qing Ye, Xiaoquan Sun, "Temperature tuning of BaGa4Se7 optical parametric oscillator," Chin. Opt. Lett. 19, 021901 (2021)

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