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Dispersion effects on grating‐assisted output couplers under ultrafast pulse excitations
Author(s) -
Liang Tao,
Ziolkowski Richard W.
Publication year - 1998
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/(sici)1098-2760(199801)17:1<17::aid-mop4>3.0.co;2-m
Subject(s) - grating , ultrashort pulse , dispersion (optics) , optics , microwave , finite difference time domain method , pulse (music) , materials science , lorentz transformation , physics , laser , quantum mechanics , detector
The effects of dispersion on the performance of finite‐length grating‐assisted output couplers driven by ultrafast pulses are studied. Two different FDTD formulations of Lorentz dispersion are treated, and both dispersive waveguides and grating teeth are considered. The impact of dispersion on the output beams is quantified. © 1998 John Wiley & Sons, Inc. Microwave Opt Technol Lett 17: 17–23, 1998.