Abstract: The invention relates to an optoelectronic device (1) comprising at least one three-dimensional semiconductor structure (2) extending along a longitudinal axis (?) substantially orthogonal to a plane of a substrate (3) on which same lies, and comprising: a first doped portion (10), extending from one surface of the substrate (3) along the longitudinal axis (?); an active portion (30) comprising a passivation layer (34) and at least one quantum well (32) covered laterally by said passivation layer (34), the quantum well (32) of the active portion (30) having a mean diameter greater than that of said first doped portion (10), said active portion (30) extending from the first doped portion (10) along the longitudinal axis (?); and a second doped portion (20), extending from the active portion (30) along the longitudinal axis (?).

Abstract: The invention relates to an optoelectronic device (1) comprising at least one three-dimensional semiconductor structure (2) extending along a longitudinal axis (?) substantially orthogonal to a plane of a substrate (3) on which same lies, and comprising: a first doped portion (10), extending from one surface of the substrate (3) along the longitudinal axis (?); an active portion (30) comprising a passivation layer (34) and at least one quantum well (32) covered laterally by said passivation layer (34), the quantum well (32) of the active portion (30) having a mean diameter greater than that of said first doped portion (10), said active portion (30) extending from the first doped portion (10) along the longitudinal axis (?); and a second doped portion (20), extending from the active portion (30) along the longitudinal axis (?).

Abstract: Single fiber optical telemetry systems and methods are disclosed. The methods and systems facilitate input and output via a single fiber optic interface. The optical telemetry systems and methods also facilitate faster data transmission rates between surface and downhole equipment in oilfield applications.

Abstract: Single fiber optical telemetry systems and methods are disclosed. The methods and systems facilitate input and output via a single fiber optic interface. The optical telemetry systems and methods also facilitate faster data transmission rates between surface and downhole equipment in oilfield applications.

Abstract: Single fiber optical telemetry systems and methods are disclosed. The methods and systems facilitate input and output via a single fiber optic interface. The optical telemetry systems and methods also facilitate faster data transmission rates between surface and downhole equipment in oilfield applications.

Abstract: Hybrid electrical-optical telemetry systems and methods are disclosed. The methods and systems facilitate faster data transmission rates between the surface and downhole tools and sensors. The methods and systems may also include a downhole electrical bus for inter-tool and intra-tool communication to facilitate limited changes to existing downhole equipment. Some embodiments of the hybrid electrical-optical telemetry system include a light source at the surface and a downhole modulator. Some embodiments also include redundant, selectable optical systems. The methods and systems may operate via a single optical input/output cable.

Abstract: Single fiber optical telemetry systems and methods are disclosed. The methods and systems facilitate input and output via a single fiber optic interface. The optical telemetry systems and methods also facilitate faster data transmission rates between surface and downhole equipment in oilfield applications.

Abstract: Apparatus for single photon source based on emitters with frequencies distributed in a chosen manner. In one embodiment, the apparatus comprises an opto-electronic component capable or emitting light pulses containing a single photon comprising a resonant optical cavity and a group of photon emitters placed in this optical cavity, a single one of these emitters having an emission frequency equal to approximately the resonant frequency of the cavity characterised in that all emitters have a spectral distribution with a concentration of emitter frequencies at a given frequency, and in that the cavity is made so that its resonant frequency is different from this concentration frequency so that the number of emitters with an emission frequency corresponding to the resonant frequency of the cavity is close to one.

Abstract: 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.