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25 April 2012 Dual-wavelength laser for THz generation by photo-mixing
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We present the design and the fabrication of a dual-wavelength micro-photonic resonator combining a photonic crystal membrane (PCM) and a vertical Fabry Perot (FP) cavity where the former is embedded in the latter. A strong optical coupling between a PCM Γ-point Bloch mode and a FP mode at the same frequency can be used to provide a dual-wavelength device with a frequency difference which is analysed in terms of modes overlapping. We propose and demonstrate a process flow that can be used to provide such a device. Optical reflectivity characterisation is presented for a monolithic device and photoluminescence dual-wavelength spontaneous emission is demonstrated in an extended vertical cavity. Finally the dual-mode laser emission stability is examined with numerical Monte Carlo simulation.
© (2012) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
K. Kusiaku, J. L. Leclercq, P. Regreny, P. Rojo-Romeo, C. Seassal, P. Viktorovitch, X. Letartre, L. Chusseau, F. Disanto, F. Philippe, and E. Augendre "Dual-wavelength laser for THz generation by photo-mixing", Proc. SPIE 8425, Photonic Crystal Materials and Devices X, 84250H (25 April 2012);


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