Two-dimensional heterogeneous photonic bandedge laser

Details Two-dimensional heterogeneous photonic bandedge laser Two-dimensional heterogeneous photonic bandedge laser

2004-04-13

arxiv.org/abs/physics/0404061v1

Physics

Optics

14 pages, 4 figures

Scientific paper

10.1364/OPEX.12.005356

We proposed and realized a two-dimensional (2D) photonic bandedge laser surrounded by the photonic bandgap. The heterogeneous photonic crystal structure consists of two triangular lattices of the same lattice constant with different air hole radii. The photonic crystal laser was realized by room-temperature optical pumping of air-bridge slabs of InGaAsP quantum wells emitting at 1.55 micrometer. The lasing mode was identified from its spectral positions and polarization directions. A low threshold incident pump power of 0.24mW was achieved. The measured characteristics of the photonic crystal lasers closely agree with the results of real space and Fourier space calculations based on the finite-difference time-domain method.

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