Tingting Dang, Juanfen Wang. Control of Gaussian Optical Waves in Gaussian Parity-Time Symmetric Waveguide[J]. Acta Optica Sinica, 2020, 40(3): 0319001
- Acta Optica Sinica
- Vol. 40, Issue 3, 0319001 (2020)
Fig. 1. Schematic of PT-symmetric planar waveguide
Fig. 2. Curves of refractive-index distribution function V(X) and gain/loss distribution function W(X)(V0=1, W0=0.8, η=1)
Fig. 3. Propagation evolutions of fundamental-mode Gaussian optical waves in ordinary Kerr nonlinear media waveguide which only includes diffraction and nonlinear effect, when V0=0 and W0=0. (a) η=0.7; (b) η=1; (c) η=2; (d) η=3
Fig. 4. Waveform of fundamental-mode Gaussian optical wave and curves of refractive-index distribution function when V0=1
Fig. 5. Propagation evolutions of fundamental-mode Gaussian optical waves in Gaussian PT-symmetric Kerr nonlinear waveguide when V0=1 and W0=0.8. (a) η=0.7; (b) η=1; (c) η=2; (d) η=3
Fig. 6. Propagation evolutions of fundamental-mode Gaussian optical waves in Gaussian PT-symmetric Kerr nonlinear waveguide when W0=0.8 and η=1. (a) V0=1; (b) V0=2; (c) V0=3; (d) V0=4
Fig. 7. Propagation evolutions of fundamental-mode Gaussian optical waves in Gaussian PT-symmetric Kerr nonlinear waveguide when V0=1 and η=1. (a) W0=0.8; (b) W0=0; (c) W0=-0.8
Fig. 8. Waveform of first-order Gaussian optical wave and curves of refractive-index distribution function V(X) when η=1
Fig. 9. Propagation evolutions of first-order Gaussian optical wave in Gaussian PT-symmetric Kerr nonlinear waveguide when W0=0 and η=1. (a) V0=1; (b) V0=2; (c) V0=3; (d) V0=4
Fig. 10. Propagation evolutions of first-order Gaussian optical waves in Gaussian PT-symmetric Kerr nonlinear waveguide when V0=4 and η=1. (a) W0=0.8; (b) W0=0; (c) W0=-0.8
Fig. 11. Waveform of second-order Gaussian optical wave and curves of refractive-index distribution function V(X) when η=1
Fig. 12. Propagation evolutions of second-order Gaussian optical waves in Gaussian PT-symmetric Kerr nonlinear waveguide when W0=0 and η=1. (a) V0=0; (b) V0=1; (c) V0=2; (d) V0=3
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