New type of fibre-optic ring resonator
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A novel fibre-optic ring resonator which exhibits a highly wavelength-selective input reflection coefficient is proposed. The input reflection is caused by a wave which circulates in the opposite direction as the input wave. The reverse circulating wave is excited by an intermediate waveguide section in the closed fibre ring.
Published in:
Electronics Letters
(Volume:22
,
Issue:
18
)
Date of Publication: August 28 1986