1、A 3×3 Matrix Spectral Problem and Its Darboux Transformation;
5、Interaction of Short Pulses in a One-dimension 3×3 Nonlinear System
4、Vibration measurements based on the phase tracking of a fiber 3×3 coupler interferometer
6、AN ADJUSTABLE 2×2 FIBER COUPLER Using NONPLANER 3×3 FIBER COUPLER
3、A Three-wavelength-division-multiplexer by Using Three 3×3 All-fiber Couplers
2、Possible Spectrums of 3×3 upper Triangular Operator Matrices;