README -- Data for 'BB84 protocol using rotationally symmetric states and a Fresnel cone'
	This directory contains all data collected. Below is a brief description of each folder:
Experimental
	Contains all experimental data
-Radial
	Contains all experimental data collected for a radial input beam
--StokesInput
	Contains images to calculate stokes parameters for the input beam and resultant stokes map
	These were used to create the experimental Stokes maps in Fig. 1a,b and Fig. 4 (input row)
	S0 = H + V, S1 = H - V, S2 = D - A, S3 = R - L
--Output1
	Contains all output measurements for BB84 protocol used in Fig.4 and Table 1
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
--Output2
	Contains repeat output measurements for BB84 protocol
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
-Azimuthal
	Contains all experimental data collected for a Azimuthal input beam
--StokesInput
	Contains images to calculate stokes parameters for the input beam and resultant stokes map
	These were used to create the experimental Stokes maps in Fig.1a,b and Fig.4 (input row)
	S0 = H + V, S1 = H - V, S2 = D - A, S3 = R - L
--Output1
	Contains all output measurements for BB84 protocol used in Fig.4 and Table 1
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
--Output2
	Contains repeat output measurements for BB84 protocol
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
-Clockwise
	Contains all experimental data collected for a clcokwise input beam
--StokesInput
	Contains images to calculate stokes parameters for the input beam and resultant stokes map
	These were used to create the experimental Stokes maps in Fig.1a,b and Fig.4 (input row)
	S0 = H + V, S1 = H - V, S2 = D - A, S3 = R - L
--Output1
	Contains all output measurements for BB84 protocol used in Fig.4 and Table 1
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
--Output2
	Contains repeat output measurements for BB84 protocol
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
-Anticlockwise
	Contains all experimental data collected for a anticlockwise input beam
--StokesInput
	Contains images to calculate stokes parameters for the input beam and resultant stokes map
	These were used to create the experimental Stokes maps in Fig.1a,b and Fig.4 (input row)
	S0 = H + V, S1 = H - V, S2 = D - A, S3 = R - L
--Output1
	Contains all output measurements for BB84 protocol used in Fig.4 and Table 1
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
--Output2
	Contains repeat output measurements for BB84 protocol
	Where T_22.5 and R_22.5 are the transmitted and reflected images with HWP2 at 22.5 degrees from the fast axis, and T_45 and R_45 are the transmitted and reflected images with HWP2 at 45 degrees frim the fast axis.
Simulated
	Contains all simulated data used in Fig. 1 and Fig. 3
	For all folders input.png was used for the simulated insets in Fig.1 and all files were used for Fig. 3
-Radial22.5
	Contains all simulated data with HWP2 set to 22.5 degrees for a radial input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_22_5.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_22_5.png shows the stokes map of the beam following the Fresnel cone
	qwp_22_5.png shows the stokes map of the beam following the QWP
	t_22_5.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_22_5.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Radial45
	Contains all simulated data with HWP2 set to 45 degrees for a radial input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_45.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_45.png shows the stokes map of the beam following the Fresnel cone
	qwp_45.png shows the stokes map of the beam following the QWP
	t_45.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_45.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Azimuthal22.5
	Contains all simulated data with HWP2 set to 22.5 degrees for an azimuthal input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_22_5.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_22_5.png shows the stokes map of the beam following the Fresnel cone
	qwp_22_5.png shows the stokes map of the beam following the QWP
	t_22_5.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_22_5.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Azimuthal45
	Contains all simulated data with HWP2 set to 45 degrees for an azimuthal input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_45.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_45.png shows the stokes map of the beam following the Fresnel cone
	qwp_45.png shows the stokes map of the beam following the QWP
	t_45.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_45.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Clockwise22.5
	Contains all simulated data with HWP2 set to 22.5 degrees for a clockwise input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_22_5.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_22_5.png shows the stokes map of the beam following the Fresnel cone
	qwp_22_5.png shows the stokes map of the beam following the QWP
	t_22_5.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_22_5.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Clockwise45
	Contains all simulated data with HWP2 set to 45 degrees for a clockwise input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_45.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_45.png shows the stokes map of the beam following the Fresnel cone
	qwp_45.png shows the stokes map of the beam following the QWP
	t_45.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_45.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Anticlockwise22.5
	Contains all simulated data with HWP2 set to 22.5 degrees for an anticlockwise input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_22_5.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_22_5.png shows the stokes map of the beam following the Fresnel cone
	qwp_22_5.png shows the stokes map of the beam following the QWP
	t_22_5.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_22_5.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)
-Anticlockwise45
	Contains all simulated data with HWP2 set to 45 degrees for an anticlockwise input
	input.png shows stokes map of the input beam
	hwp1.png shows the stokes map of the beam following HWP1 (as defined in Fig. 2)
	hwp2_45.png shows the stokes map of the beam following HWP2 (as defined in Fig. 2)
	cone_45.png shows the stokes map of the beam following the Fresnel cone
	qwp_45.png shows the stokes map of the beam following the QWP
	t_45.png shows the transmitted component of the beam following the polarising beam splitter (the output of the measurement system)
	r_45.png shows the reflected component of the beam following the polarising beam splitter (the output of the measurement system)