Low loss fiber to chip connection system for telecommunication devices
نویسنده
چکیده
We present a method for low loss coupling of multiple fibers to optical waveguides. Simultaneous alignment of multiple fibers is done by placing the fibers in a V-groove array. Coupling efficiency can be enhanced by placing a high numerical aperture (HNA) fiber (MFD 4 μm) between the standard telecom fiber and a horizontal tapered waveguide. The splicing loss between the standard telecom fiber and the HNA fiber was less than 0.2 dB. The coupling loss between the HNA fiber and the tapered waveguide channel was simulated and lower than 0.25 dB for perfect alignment. This gives a total coupling loss from a standard telecom fiber to the waveguide channel of less than 0.6 dB.
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