To meet the application demand of optical communication system, a new type of variable optical power splitter (VOPS)
based on slot waveguide by adjusting manually is proposed in this paper. The device is designed by using the principle
of optical field effect. It has an import port which provides import power, and two output ports, the power of which is
divided dynamically by changing the width of the gap between two slot waveguides. This paper can specify the
operation principle of the device, test its important technical indicators and analyze experimental datum. Experimental
results show that the device can realize light distribution of the single wavelength and multiple wavelengths and that the
power splitting ratio is dynamically tunable and the tuning range can be 1-25dB, which ensures rapid organization and
deployment of communication network.
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