READ ME File For 'DATASET for The Study of Bismuth Doped Fibres and the Development of Broadband Bismuth Doped Fibre Amplifiers'

Dataset DOI:https://doi.org/10.5258/SOTON/D2536

ReadMe Author: Yu Wang, University of Southampton

This dataset supports the publication:
Yu Wang. (2023)
The Study of Bismuth Doped Fibres and the Development of Broadband Bismuth Doped Fibre Amplifiers



Description:
The excel file contains all experimental data used for generating figures in this thesis.

The figures are as follows:

Figure 5.2: Gain and NF characteristics of BPSF-6 with a single pump in the double pass amplifier for input signal powers of (a) -10 dBm and (b) -23 dBm.

Figure 5.3: Gain and NF characteristics of BPSF-6 with double pumps in the double pass amplifier for input signal powers of (a) -10 dBm and (b) -23 dBm.

Figure 5.4: Optimum lengths for BPSF-6 with (a) a single pump and (b) double pumps in the double pass amplifier configuration.

Figure 5.5: Gain and NF characteristics of BPSF-7 with a single pump in the double pass amplifier for input signal powers of (a) -10 dBm and (b) -23 dBm.

Figure 5.6: Gain and NF characteristics of BPSF-7 with double pumps in the double pass amplifier for input signal powers of (a) -10 dBm and (b) -23 dBm.

Figure 5.7: Optimum lengths for BPSF-7 with (a) a single pump and (b) double pumps in the double pass amplifier configuration.

Figure 5.8: Gain and NF characteristics with a single pump for an input signal power of (a) -10 dBm and (b) -23 dBm for BPSF-5 (SP - single pass; DP - double pass).

Figure 5.9: Gain and NF characteristics with double pumps for an input signal power of (a) -10 dBm and (b) -23 dBm for BPSF-5 (SP: single pass; DP: double pass).

Figure 5.11: Gain and NF characteristics with the variation of pump power for an input signal power of (a) -10 dBm and (b) -23 dBm for BPSF-5 at 1360nm (SP: single pass; DP: double pass).

Figure 5.12: Power conversion eciency with the variation of pump power for an input signal power of -10 dBm in the single pass and double pass configurations for BPSF-5 at 1360 nm (SP: single pass; DP: double pass).

Figure 5.13: Gain and NF characteristics with the variation of input signal power at 1360 nm for BPSF-5 (SP: single pass; DP: double pass).

Figure 5.14: Optical signal to noise ratio with the variation of input signal power in the single pass and double pass configurations at 1360 nm for BPSF-5 (SP: single pass; DP: double pass).

Figure 5.16: Gain and NF spectra of BPSF-5 with a single pump at (a) 1270 nm and (b) 1240 nm in the single pass amplifier.

Figure 5.17: Gain and NF spectra of BPSF-5 with a single pump at (a) 1270 nm and (b) 1240 nm in the double pass amplifier.

Figure 5.18: Double pass amplifier performance for BPSF-5 with bi-directional pumping of 1270 nm (375 mW) and 1240 nm (375 mW) LDs for an input signal power of (a) -10 dBm and (b) -23 dBm.

Figure 5.19: Gain and NF characteristics of the double pass amplifier for BPSF-5 with the variation of pump power for bi-directional pumping at 1270 nm and 1240 nm at a wavelength of 1340 nm.

Figure 5.20: Gain and NF characteristics of the double pass amplifier for BPSF-5 with the variation of input signal power for bi-directional pumping at 1270 nm and 1240 nm at wavelengths of (a) 1300 nm and (b) 1340 nm.

Figure 5.23: Temperature dependent gain and NF characteristics of BPSF-2 for input signal powers of (a) -10 dBm and (b) -23 dBm in the single pass BDFA.

Figure 5.24: Temperature dependent gain and NF characteristics of BPSF-2 for input signal powers of (a) -10 dBm and (b) -23 dBm in the double pass BDFA.

Figure 5.26: TDG coefficient spectrum of BPSF-2 and BPSF-3 for input signal powers of -10 dBm and -23 dBm in the single pass and double pass BDFA.

Figure 5.27: (a) The gain and NF variation with pump power of BPSF-3 in the double pass BDFA at -60 degreeC, +20 degreeC and +80 degreeC ; (b) The gain coecient for the -23 dBm signal at -60 degreeC.

Figure 5.28: (a) The gain and NF variation with input signal power of BPSF-3 in the double pass BDFA at -60 degreeC, +20 degreeC and +80 degreeC; (b)The OSNR spectrum for the -10 dBm signal at -60 degreeC.

Figure 5.29: Temperature dependent gain and NF characteristics of BPSF-6 and BPSF-9 for input signal powers of -10 dBm and -23 dBm in the double pass BDFA.

Figure 5.30: The gain and NF characteristics with the variation of environmental temperatures for BPSF-2, BPSF-6 and BPSF-9 at their respective maximum gain wavelength for input signal powers of (a) -10 dBm and (b) -23 dBm in the double pass BDFA over the temperature range from -60 degreeC to +80 degreeC (The dashed lines are used to calculate TDG coefficient).

Figure 5.31: Gain and NF spectrum comparison of 212 m long BPSF-3 in the single pass with bi-directional double pumps (SP-DP, total pump power = 745 mW) and 159 m long BPSF-3 in the double pass with a single pump (DP-SP, total pump power = 370 mW) congurations, for input signal powers of (a) -10 dBm and (b) -23 dBm.

Figure 5.32: TDG coecients of 212 m long BPSF-3 in the single pass with bidirectional double pumps (SP-DP, total pump power = 745 mW) and 159 m long BPSF-3 in the double pass with a single pump (DP-SP, total pump power = 370 mW) configurations.

Figure 5.33: (a) Unsaturable loss of A0979-L30502 measured at different temperatures from -40 degreeC to +80 degreeC; (b) Repeated measurements of the temperature dependent UL of A0979-L30502 from -40 degreeC to +80 degreeC.

Figure 6.3: Gain and NF spectrum for a 220 m long of A0758-L30370 with (a) -10 dBm and (b) -23 dBm input signals using dierent pumping schemes in a single pass amplifier.

Figure 6.4: Gain and NF spectrum in the E-band of various BPSFs for (a) -10 dBm and (b) -23 dBm input signals using a bi-directional pumping of 1310+1304 nm with a total pump power of 550 mW in a double pass amplifier.

Figure 6.5: Gain and NF spectrum in the O+E-band of various BPSFs for (a) -10 dBm and (b) -23 dBm input signals using a bi-directional pumping of 1270+1310 nm with a total pump power of 850 mW in a single pass amplifier.

Figure 6.7: Gain and NF spectrum of A0758-L30370 from 1345-1460 nm for input signal powers of -10dBm and -23 dBm at RT, where the inset shows the signal and ASE spectrum for a -23 dBm input signal from which the in-band OSNR is derived (fibre length = 220 m, total launched pump power = 850 mW).

Figure 6.8: Gain and NF characteristics of A0758-L30370 as a function of the pump power at a signal wavelength of 1420 nm for signal powers of -10 dBm and -23 dBm at RT (fibre length = 220 m).

Figure 6.9: Gain and NF characteristics of A0758-L30370 as a function of the input signal power at a signal wavelength of 1420 nm at RT (fibre length = 220 m, total launched pump power = 850 mW).

Figure 6.10: Temperature dependent gain and NF characteristics of A0758-L30370 in the temperature range from -40 degreeC to +60 degreeC for (a) -10 dBm and (b) -23 dBm input signal powers (fibre length = 220 m, total launched pump power = 850 mW).

Figure 6.11: Gain and NF characteristics of A0758-L30370 as a function of the input signal power at a signal wavelength of 1420 nm at room temperature (fibre length = 220 m, total launched pump power = 850 mW).

Figure 6.16: (a) Gain and NF spectrum from 1400 nm to 1460 nm at room temperature for -10 dBm and -23 dBm input signals; (b) (c) Gain and NF characteristics in the temperature range of -40 degreeC to +60 degreeC at intervals of 20 degreeC for -10 dBm and -23 dBm input signals; (d) Temperature dependent gain at 1430 nm and temperature dependent 3-dB bandwidth for a -10 dBm input signal, and the inset represents the TDG at 1430 nm for a -23 dBm input signal (the slope of the dashed lines represents the calculated TDG coefficient).

Figure 7.29: Gain and NF spectrum of 114 m and 200 m A1741-L10742 in comparison with 100 m A1707-L10742 and 212 m A1340-L10619 in the O-band amplifier (The total pump power = 200 mW from the forward laser diode at 1270 nm + 200 mW from the backward laser diode at 1267 nm).

Figure 7.31: Gain and NF spectrum of BPSFs A1353-L10626, A1340-L10619, A1356-L10627 and A0758-L30370 with their optimum length of 100 m in the short O-band amplifier (The total pump power = ~290 mW from 1180 nm laser diode + ~270 mW from 1210 nm laser diode).

Figure 7.32: Gain and NF spectrum of: (1) 114 m A1741-L10742 on the standard bobbin, (2) 114 m A1741-L10742 with 20 m coiled at R = 15 mm, (3) 114 m A1741-L10742 with 50 m coiled at R = 20 mm and 20 m coiled at R = 15 mm and 10 m coiled at R = 17.5 mm, in the short O-band amplifier (The total pump power = 260 mW from 1210 nm laser diode + 300 mW from 1200 nm laser diode).

Figure 7.33: Gain and NF spectrum of 114 m A1741-L10742 with distributed ASE suppression (50 m coiled at R = 20 mm, 20 m coiled at R = 15 mm, 10 m coiled at R = 17.5 mm) in the short O-band amplifier.

Date of data collection 2018-09-01 to 2022-08-31

Related projects:
UK Engineering and Physical Sciences Research Council (EPSRC) under the “Airguide Photonics” Programme Grant (EP/P030181/1) 


Dataset available under a CC BY 4.0 licence


Publisher: University of Southampton, U.K.


Date: Feb 2023