where and are the power of the reflected optical signal
(backward proportion) and the incident light source (forward
propagation) by the OSA, respectively, and is Faraday rotation
angle. Note that the attenuation factors such as bending,
coupling, splicing, and reflecting loss of optical power were ignored
in the equation. As shown in Fig. 6, the obtained output
power data were fitted to a cosinusoidal curve and matched well
with a small deviation error. The optical isolation of the present
CdSe QDs doped optical fiber isolator with respect to the applied
magnetic field is shown in Fig. 7. The maximum isolation
where and are the power of the reflected optical signal(backward proportion) and the incident light source (forwardpropagation) by the OSA, respectively, and is Faraday rotationangle. Note that the attenuation factors such as bending,coupling, splicing, and reflecting loss of optical power were ignoredin the equation. As shown in Fig. 6, the obtained outputpower data were fitted to a cosinusoidal curve and matched wellwith a small deviation error. The optical isolation of the presentCdSe QDs doped optical fiber isolator with respect to the appliedmagnetic field is shown in Fig. 7. The maximum isolation
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