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Dual-wavelength laser for THz generation by photo-mixing

Abstract : 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.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00808138
Contributor : Fabrice Philippe <>
Submitted on : Monday, April 15, 2013 - 1:12:42 PM
Last modification on : Monday, July 20, 2020 - 10:06:05 AM

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Koku Kusiaku, Jean-Louis Leclercq, Philippe Regreny, Pedro Rojo-Romeo, Christian Seassal, et al.. Dual-wavelength laser for THz generation by photo-mixing. SPIE Proceedings, Apr 2012, Brussels, Belgium. pp.84250H-84250H-8, ⟨10.1117/12.922505⟩. ⟨lirmm-00808138⟩

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