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In-Plane Coupling of Light From InP-Based Photonic Crystal Band-Edge Lasers Into Single-Mode Waveguides

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5 Author(s)
Hattori, H.T. ; Electron. Mater. Eng. Dept., Australian Nat. Univ., Canberra, ACT ; McKerracher, I. ; Tan, H.H. ; Jagadish, C.
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In this paper, we analyze the coupling of light from photonic-crystal band-edge lasers into single-mode waveguides. Both active and passive devices lie in the same plane and coupling of light is achieved by using parabolic and nanotapers in InP based epitaxial structures. Two- and three-dimensional finite-difference time-domain methods are employed to analyze these devices. Coupling efficiencies higher than 80% can be obtained with parabolic couplers. We also present laser configurations that can reduce multiwavelength coupling of light into single-mode waveguides, using structures that are similar to coupled cavity Fabry-Peacuterot lasers

Published in:

Quantum Electronics, IEEE Journal of  (Volume:43 ,  Issue: 4 )