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Optical microfiber coupler for broadband single-mode operation

By Yongmin Jung, Gilberto Brambilla and David J. Richardson


We present a broadband single-mode bi-conical microfiber coupler (MFC) with a specifically designed transition region that effectively suppresses any higher-order modes present at the input fiber and provides efficient power splitting into the fundamental mode at the two output ports. As a practical example, single-mode 3dB splitting operation over a broad spectral window (400~1700 nm) was demonstrated for a very thin taper waist (~1.5µm) MFC made from conventional telecom optical fibers

Topics: QC, TK
Year: 2009
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Provided by: e-Prints Soton

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