Modeling and analyzing the temperature sensitivity of radiation-induced attenuation in a Ge-P co-doped fiber

Jing Jin; Chunjing Liu; Jixun Liu; Yunxia Hou

doi:10.3788/COL201614.030601

Journals >Chinese Optics Letters >Volume 14 >Issue 3 >Page 030601 > Article

Chinese Optics Letters
Vol. 14, Issue 3, 030601 (2016)

Modeling and analyzing the temperature sensitivity of radiation-induced attenuation in a Ge-P co-doped fiber

Jing Jin, Chunjing Liu^*, Jixun Liu, and Yunxia Hou

Author Affiliations

School of Instrument Science and Opto-Electronics Engineering, Beihang University, Beijing 100191, China

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DOI: 10.3788/COL201614.030601 Cite this Article Set citation alerts

Jing Jin, Chunjing Liu, Jixun Liu, Yunxia Hou. Modeling and analyzing the temperature sensitivity of radiation-induced attenuation in a Ge-P co-doped fiber[J]. Chinese Optics Letters, 2016, 14(3): 030601 Copy Citation Text

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Experimental data (dotted lines) and fitted curves (solid lines) of the RIA spectra at six temperatures. The inset shows the residual errors between the experimental data and the fitted curves.

Fig. 1. Experimental data (dotted lines) and fitted curves (solid lines) of the RIA spectra at six temperatures. The inset shows the residual errors between the experimental data and the fitted curves.

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Absorption bands (dotted lines) of P1, Ge-NBOHC, and Ge(X) color centers at six temperatures and their integrated fitted curves. The inset shows the partial enlargement of the curves.

Fig. 2. Absorption bands (dotted lines) of P1, Ge-NBOHC, and Ge(X) color centers at six temperatures and their integrated fitted curves. The inset shows the partial enlargement of the curves.

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Fig. 3. Linear fitted curves of parameters a(T), E(T), and ω(T) of P1, Ge-NBOHC, and Ge(X) color centers.

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Fig. 4. Experimental data and simulation results at 850, 1310, and 1550 nm. The values of the MSE between the simulation and the test are shown.

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Color center name	$E_{n}$ (eV)	$ω_{n}$ (eV)
P1	0.765	0.224
Ge-NBOHC	1.97	0.3–0.6
Ge(X)	2.61	0.82

Table 1. Main Parameter Values of P1, Ge-NBOHC, Ge(X) Color Centers

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Temperature (°C)	$a_{P 1}$	$E_{P 1}$ (eV)	$ω_{P 1}$ (eV)
−40	1.242	0.7659	0.212
−20	1.228	0.7654	0.215
0	1.208	0.7648	0.218
20	1.188	0.7641	0.221
40	1.170	0.7635	0.225
60	1.150	0.7630	0.228

Table 2. Parameter Values of P1 Color Centers

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Temperature (°C)	$a_{Ge - NBOHC}$	$E_{Ge - NBOHC}$ (eV)	$ω_{Ge - NBOHC}$ (eV)
−40	4.815	1.990	0.507
−20	4.792	1.985	0.525
0	4.768	1.979	0.540
20	4.739	1.972	0.557
40	4.715	1.965	0.571
60	4.690	1.957	0.587

Table 3. Parameter Values of Ge-NBOHC Color Centers

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Temperature (°C)	$a_{Ge (X)}$	$E_{Ge (X)}$ (eV)	$ω_{Ge (X)}$ (eV)
−40	2.061	2.643	0.800
−20	2.058	2.635	0.805
0	2.055	2.624	0.810
20	2.052	2.612	0.815
40	2.049	2.600	0.820
60	2.047	2.590	0.825

Table 4. Parameter Values of Ge(X) Color Centers

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Linear fitting function: $y = a * T + b$
Color centers	Parameters ( $y$ )	$a$	$b$	$R^{2}$
P1	$a_{P 1}$	$- 9.343 \times 10^{- 4}$	1.20701	0.997
	$E_{P 1}$	$- 2.986 \times 10^{- 5}$	0.76475	0.997
	$ω_{P 1}$	$1.614 \times 10^{- 4}$	0.21822	0.997
Ge-NBOHC	$a_{Ge - NBOHC}$	−0.00126	4.76581	0.999
	$E_{Ge - NBOHC}$	$- 3.314 \times 10^{- 4}$	1.97798	0.993
	$ω_{Ge - NBOHC}$	$7.929 \times 10^{- 4}$	0.5399	0.999
Ge(X)	$a_{Ge (X)}$	$- 1.429 \times 10^{- 4}$	2.0551	0.996
	$E_{Ge (X)}$	$- 5.457 \times 10^{- 4}$	2.62279	0.996
	$ω_{Ge (X)}$	$2.5 \times 10^{- 4}$	0.81	0.998