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Article Dans Une Revue IEEE Photonics Technology Letters Année : 2014

Terahertz Optoelectronic Down-Conversion and Phase-Locking Through Four-Wave Mixing

Antoine Rolland
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Lucien Pouget
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Marc Brunel
Mehdi Alouini

Résumé

Optoelectronic down-conversion of a terahertz optical beatnote to a RF intermediate frequency is performed with a standard Mach-Zehnder modulator followed by a zero dispersion-slope highly nonlinear fiber. The two interleaved optical combs obtained by four-wave mixing are shown to contain more than 75 harmonics enabling to conveniently recover the phase noise of a beatnote at 770 GHz at ~500 MHz. This simple four-wave mixing assisted down-conversion architecture is implemented to a two-frequency solid-state laser in order to directly phase-lock its frequency difference. This is illustrated on a beatnote at 168 GHz directly phase locked to the local oscillator at 10 MHz.
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Dates et versions

hal-01139079 , version 1 (03-04-2015)

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Citer

Antoine Rolland, Lucien Pouget, Marc Brunel, Mehdi Alouini. Terahertz Optoelectronic Down-Conversion and Phase-Locking Through Four-Wave Mixing. IEEE Photonics Technology Letters, 2014, 26 (19), pp.1944-1947. ⟨10.1109/LPT.2014.2342379⟩. ⟨hal-01139079⟩
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