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AssigneesFrance Telecom, Centre National De La Recherche Scientifique
InventorsJean-Michel Gerard, Bruno Gayral, Dang Le Si
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The invention concerns an optoelectronic component capable of emitting light pulses containing a single photon comprising an optical resonant cavity (100) and a photon-emitting unit (250) placed in said optical cavity (100), a single one of the transmitters (250) having a transmission frequency substantially equal to the resonance frequency (M) of the cavity (100). The invention is characterised in that the set of transmitters (250) has a spectral distribution having a concentration of frequencies of transmitters (250) in a given frequency (P) and the cavity (100) is designed to have a resonance frequency (M) sufficiently far from said concentration frequency (P) for the number of transmitters (250) having a transmission frequency corresponding to the resonance frequency (M) of the cavity (100) to be close to one.
Opto-electronic component capable of emitting light pulses containing a single photon comprising a resonant optical cavity (100) and a group of photon emitters (250) placed in this optical cavity (100), a single one of these emitters (250) having an emission frequency equal to approximately the resonant frequency (M) of the cavity (100), characterised in that all emitters have a spectral distribution with a concentration of frequencies of emitters (250) at a given frequency (P), and in that the cavity (100) is made so that its resonant frequency (M) is sufficiently different from this concentration frequency (P) so that the number of emitters (250) with an emission frequency corresponding to the resonant frequency (M) of the cavity (100) is close to one.
Component according to any one of the previous claims, characterised in that its mode spectral density of the emitters (250) at the frequency of the cavity mode (M) is close to 0.5 emitters for the width of the cavity mode (M).
Component according to any one of the previous claims, characterised in that it includes means of adjusting emission frequencies of emitters such that the frequency of a single emitter corresponds to the resonant frequency of the cavity.
Component according to any one of the previous claims, characterised in that it includes a means (750) of filtering the photon(s) emitted at the frequency of the cavity mode (M) from photons of emitters not coupled to the cavity mode.
Component according to any one of the previous claims, characterised in that it includes optical or electrical impulse pumping means (400, 500, 600, 900) of the emitters (250).
Component according to any one of the previous claims, characterised in that it includes means (700) of collecting the emitted single photon pulses.
Dependencies are inferred from the claim text.