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New all-optical wavelength auto-router based on spatial solitons

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Abstract

We propose a novel all-optical wavelength auto-router based on spatial solitons. By using the swing effect of spatial solitons in a Kerr-type nonlinear medium, the proposed nonlinear waveguide structure could function as a self-routing wavelength division multiplexer (WDM). It could be a potential key component in the applications of ultra-high-speed and ultra-high-capacity optical communications and optical data processing systems.

©2004 Optical Society of America

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Figures (5)

Fig. 1.
Fig. 1. The proposed nonlinear waveguide structure of the all-optical wavelength auto-router.
Fig. 2.
Fig. 2. The position shift Δd is plotted as a function of the input wavelengthλi with (a) λi =1290nm to λi =1330nm, L 2 = 1269μm , θ = 2.7°, P 0 =50W/m , (b) λi =1530nm to λi =1570nm, L 2 = 1365μm , θ = 2.2°, P 0=70W/m.
Fig. 3.
Fig. 3. The coupling efficiency of the input signal as a function of the input wavelengthλi in (a) 1310nm, (b) 1550nm spectral region.
Fig. 4.
Fig. 4. The evolutions of the input signal beams propagating along the structure with the wavelength of the input signal beams in (a) 1310nm, (b) 1550nm spectral region.
Fig. 5.
Fig. 5. The signal beam position at the end of the output section with the wavelength of the input signal beams in (a) 1310nm, (b) 1550nm spectral region.

Tables (1)

Tables Icon

Table 1. (a) The transmission efficiency Po /Pi as a function of the wavelength of the input signal beams in (a)1310nm, (b)1550nm, spectral region.

Equations (3)

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ε x z t = E x z exp [ j ( ωt β k 0 z ) ]
2 k 0 E z + 2 E x 2 + k 0 2 [ n i 2 x z E 2 β 2 ] E = 0 , i = f , c , u
n i 2 = n i 0 2 + α E 2
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