Phys. Rev. Lett. 73, 1368–1371 (1994)Optical Limiting and Switching of Ultrashort Pulses in Nonlinear Photonic Band Gap MaterialsReceived 20 December 1993; published in the issue dated 5 September 1994 We numerically investigate nonlinear propagation of ultrashort pulses in a one-dimensional photonic band gap structure. We find that, near the band edge, nonlinear effects cause a dynamical shift in the location of the band gap. We demonstrate that this nonlinear mechanism can induce intensity-dependent pulse transmission and reflections. In addition, pulse reshaping and pulse generation is observed. This phenomenon has important new applications in both optical limiting and optical switching. © 1994 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.73.1368
DOI:
10.1103/PhysRevLett.73.1368
PACS:
42.25.Bs, 42.25.Hz, 42.70.Nq, 42.79.Sz
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