Graydon, O.C., Loh, W.H., Laming, R.I. and Dong, L.
Triple-frequency operation of an Er-doped twincore fibre loop laser.
IEEE Photonics Technology Letters, 8, (1), . (doi:10.1109/68.475779).
Simultaneous laser operation of three single-frequency modes from an inhomogeneously broadened Er-doped twincore fiber loop laser is reported. Equal output power of 390µW separation 0.5 nm and linewidth <10 kHz was measured for each mode in a travelling wave cavity comprising a single gain medium. In addition up to eight wavelength operation has been observed, demonstrating that twincore EDFAs can provide channel equalization in an eight-channel multiamplifier optical network.
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