Modes Excitation by Input Field of Different Positions in Three-Mode Photonic Crystal Waveguides

Abstract:

We investigate modes excitation with input field of different positions in three-mode photonic crystal waveguides. The three-mode photonic crystal waveguides is formed by removing three rows rods in 2D photonic crystals. The input field with different positions can excite different modes due to the field intensity distribution of modes. When the input field locates at the position of the zero field intensity of the waveguide mode, the mode can not be excited. The finite-difference time-domain method is used to obtain the excited field distributions.

• Periodical: Advanced Materials Research (Volumes 455-456)
• Pages: 45-48
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.455-456.45
• Online since: January 2012
• Authors: Xiao Yan Shi, Wu Yang, Hua Yang, Xiu Ze Wang
• Keywords: Mode Excitation, Multimode-Interference (MMI), Photonic Crystal (PC), Photonic Crystal Waveguide

References

[1] John D. Joannopoulos, Steven G. Johnson, Joshua N. Winn, Robert D. Meade: Photonic Crystals: molding the flow of light, (Princeton University Press, Princeton, 2008).

[2] S. Boscolo, M. Midrio, C. G. Someda: IEEE J. Quantum Electron. Vol. 38 (2002), p.47.

[3] T. Liu, A. R. Zakharian, M. Fallahi, J. V. Moloney, M. Mansuripur: J. Lightw. Technol. Vol. 22 (2004), p.2842.

[4] I. Park, H. S. Lee, H. J. Kim, K. M. Moon, S. G. Lee, B. H. O, S. G. Park, E. H. Lee, Photonic crystal power-splitter based on directional coupling, Opt. Express Vol. 12 (2004), p.3599.

DOI: 10.1364/opex.12.003599

[5] H. J. Kim, I. Park, B. H. O, S. G. Park, E. H. Lee, S. G. Lee, Self-imaging phenomena in multi-mode photonic crystal line-defect waveguides: Application to wavelength de-multiplexing, Opt. Express Vol. 12 (2004), p.5625.

DOI: 10.1364/opex.12.005625

[6] Y. Zhang, Z. J. Li, and B. J. Li, Multimode interference effect and self-imaging principle in two-dimensional silicon photonic crystal waveguides for terahertz waves, Opt. Express Vol. 14 (2006), p.2679.

DOI: 10.1364/oe.14.002679

[7] H. H. Tao, R. J. Liu, Z. Y. Li, S. Feng, Y. Z. Liu, C. Ren, B. Y. Cheng, D. Z. Zhang, H. Q. Ma, L. A Wu, Z. B. Zhang, Mapping of complex optical field patterns in multimode photonic crystal waveguides by near-field scanning optical microscopy, Phys. Rev. B Vol. 74 (2006).

DOI: 10.1103/physrevb.74.205111

[8] D. Modotto, M. Conforti, A. Locatelli, C. D. Angelis, Imaging properties of multimode photonic crystal waveguides and waveguide arrays, J. Lightw. Technol. Vol. 25 (2007), p.402.

DOI: 10.1109/jlt.2006.886681

[9] T. B. Yu, X. Q. Jiang, J. Y. Yang, H. F. Zhou, Qing-Hua Liao, Ming-Hua Wang, Self-imaging effect of TM modes in photonic crystal multimode waveguides only exhibiting band gaps for TE modes, Phys. Lett. A Vol. 369 (2007), p.167.

DOI: 10.1016/j.physleta.2007.04.078

[10] A. Taflove, S.C. Hagness: Computational Electrodynamics: The Finite-Difference Time-Domain Method, (Artech House, Boston, 2000).