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Wave propagation through a photonic crystal in a negative phase refractive-index region

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4 Author(s)
Min Qiu ; Dept. of Microelectron. & Inf. Technol., R. Inst. of Technol., Kista, Sweden ; Thylen, L. ; Swillo, M. ; Jaskorzynska, B.

The wave propagation through a photonic crystal with a triangular lattice of air holes realized in the InP-InGaAsP heterostructure are studied theoretically for the transverse magnetic modes. The photonic crystal possesses a negative refractive index, and the self-focus of the beam is successfully observed. The weak side beams are observed due to high-order Bloch waves in the photonic crystal. The coupling efficiency for the outgoing waves to a waveguide is also studied.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:9 ,  Issue: 1 )