S. E. Alavi, I. S. Amiri, M. R. K. Soltanian, R. Penny, A. S. M. Supa’at, H. Ahmad, "Multiwavelength generation using an add-drop microring resonator integrated with an InGaAsP/InP sampled grating distributed feedback," Chin. Opt. Lett. 14, 021301 (2016)
- Chinese Optics Letters
- Vol. 14, Issue 2, 021301 (2016)
Fig. 1. Schematic diagram of (a) an add-drop MR system without integration with an SG-DFB, (b) an add-drop MR system integrated with an SG-DFB, and (c) the SG-DFB structure.
Fig. 2. (a) SG-DFB structure with burst length L B = 5 μm L s = 45 μm L G = 455 μm N = 10
Fig. 3. Mode propagation profile of the silicon waveguide with a length of 650 μm. (a) 2D view, (b) 3D view, (c) cross section view, (d) 3D view of the propagation respect to the cross section of the silicon waveguide; the effective index is 3.33 and the effective area is 1 μm 2
Fig. 4. Mode propagation profile of the SG-DFB with a length of 455 μm. (a) 2D view, (b) 3D view, (c) cross section view, (d) 3D view of the propagation respect to the cross section of the SG-DFB; the effective index is 3.25 and the effective area is 2.42 μm 2
Fig. 5. Time domain output signals from the drop port of the add-drop MR (a) without integration with the SG-DFB, FWHM = 1.35 ps FWHM = 1.7 ps
Fig. 6. Multiple center wavelength output results from the throughput port of the add-drop MR when (a) the add-drop MR is not integrated with the SG-DFB [Fig. 1(a) ], FWHM = 8 pm FSR = 2.18 nm 1 (b)], FWHM = 5.4 pm FSR = 1.06 nm
Fig. 7. Drop port output signals (a) with no SG-DFB integration, FWHM = 80 pm FSR = 2.18 nm FWHM = 44 pm FSR = 1.06 nm
Fig. 8. Dispersion of the drop port output signals for (a) an add-drop MR without the SG-DFB [Fig. 1(a) ], (b) versus wavelength, and (c) an add-drop MR integrated with the SG-DFB [Fig. 1(b) ].
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Table 1. Parameters of the Proposed MR System
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