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View article: Mid-infrared integrated resonators on a III-V platform with Q-factors beyond half a million
Mid-infrared integrated resonators on a III-V platform with Q-factors beyond half a million Open
We demonstrate mid-IR integrated race-track resonators on a III-V semiconductor platform,InGaAs core epitaxially grown on InP. We have performed a complete characterization of the optical propagation losses at wavelength = 4.6 um and wavel…
View article: 3D Meta‐Atoms for High Confinement of Mid‐IR Radiation
3D Meta‐Atoms for High Confinement of Mid‐IR Radiation Open
The ability to confine photons into structures with highly sub‐wavelength volumes is extremely interesting for many applications such as sensing, nonlinear optics, and strong light‐matter interactions. However, their realization is increas…
View article: Directional transport and nonlinear localization of light in a one-dimensional driven-dissipative photonic lattice
Directional transport and nonlinear localization of light in a one-dimensional driven-dissipative photonic lattice Open
Photonic lattices facilitate band structure engineering, supporting both localized and extended modes through their geometric design. However, greater control over these modes can be achieved by taking advantage of the interference effect …
View article: Control and enhancement of optical nonlinearities in plasmonic semiconductor nanostructures
Control and enhancement of optical nonlinearities in plasmonic semiconductor nanostructures Open
The efficiency of nanoscale nonlinear elements in photonic integrated circuits is hindered by the physical limits to the nonlinear optical response of dielectrics, which cannot be engineered as it is a fundamental material property. Here, …
View article: Deterministic and reconfigurable graph state generation with a single solid-state quantum emitter
Deterministic and reconfigurable graph state generation with a single solid-state quantum emitter Open
Measurement-based quantum computing offers a promising route towards scalable, universal photonic quantum computation. This approach relies on the deterministic and efficient generation of photonic graph states in which many photons are mu…
View article: Deterministic and efficient source of frequency-polarization hyper-encoded photonic qubits
Deterministic and efficient source of frequency-polarization hyper-encoded photonic qubits Open
The frequency or color of photons is an attractive degree of freedom to encode and distribute quantum information over long distances. However, the generation of frequency-encoded photonic qubits has so far relied on probabilistic nonlinea…
View article: Measurement-induced back-action in a QD-based coherent spin-photon interface
Measurement-induced back-action in a QD-based coherent spin-photon interface Open
Polarization-encoded spin-photon interfaces constitute promising candidates for the development of stationary nodes used as photon receivers, for quantum communication and distributed quantum computing. Here we introduce a time-resolved to…
View article: Regenerative vectorial breathers in a delay-coupled excitable microlaser with integrated saturable absorber
Regenerative vectorial breathers in a delay-coupled excitable microlaser with integrated saturable absorber Open
We report on the polarization dynamics of regenerative light pulses in a micropillar laser with an integrated saturable absorber (SA) coupled to an external feedback mirror. The delayed self-coupled ML is operated in the excitable regime, …
View article: Mid-infrared frequency combs and pulse generation based on single section interband cascade lasers
Mid-infrared frequency combs and pulse generation based on single section interband cascade lasers Open
Interband cascade lasers (ICLs) are semiconductor lasers emitting in the mid-wave infrared (MWIR 3–6 μm) and can operate as frequency combs (FCs). These demonstrations are based on double section cavities that can reduce dispersion and/or …
View article: Three-dimensional Meta-atoms for High Confinement of Mid-IR Radiation
Three-dimensional Meta-atoms for High Confinement of Mid-IR Radiation Open
The ability to confine photons into structures with highly sub-wavelength volumes is extremely interesting for many applications such as sensing, nonlinear optics, and strong light-matter interactions. However, their realization is increas…
View article: Spin Noise Spectroscopy of a Single Spin Using Single Detected Photons
Spin Noise Spectroscopy of a Single Spin Using Single Detected Photons Open
Spin noise spectroscopy has become a widespread technique to extract information on spin dynamics in atomic and solid-state systems, in a potentially nonperturbative way. Here we experimentally demonstrate a new approach in spin noise spec…
View article: Low losses optical devices on GaP/GaAs platform
Low losses optical devices on GaP/GaAs platform Open
Here we study Gallium Phosphide-based devices made from GaP/GaAs epilayers in the framework of non-linear photonic integration. We demonstrate state-of-the art propagation losses in the near infrared and discuss this value in terms of roug…
View article: Indistinguishability of remote quantum dot-cavity single-photon sources
Indistinguishability of remote quantum dot-cavity single-photon sources Open
Generating identical photons from remote emitter-based bright single-photon sources is an important step for scaling up optical quantum technologies. Here, we study the Hong-Ou-Mandel interference of photons emitted from remote sources bas…
View article: Harnessing coupled nanolasers near exceptional points for directional emission
Harnessing coupled nanolasers near exceptional points for directional emission Open
Tailoring the losses of optical systems within the frame of non-Hermitian physics has appeared very fruitful in the past few years. In particular, the description of exceptional points (EPs) with coupled resonators has become widespread. T…
View article: Hybrid III-V/Silicon Quantum Photonic Device Generating Broadband Entangled Photon Pairs
Hybrid III-V/Silicon Quantum Photonic Device Generating Broadband Entangled Photon Pairs Open
The demand for integrated photonic chips combining the generation and manipulation of quantum states of light is steadily increasing, driven by the need for compact and scalable platforms for quantum information technologies. While photoni…
View article: Metamaterial unipolar quantum optoelectronics for mid-infrared free-space optics
Metamaterial unipolar quantum optoelectronics for mid-infrared free-space optics Open
Free-space optical communications in the mid-infrared transparency windows (4–5 and 8–14 μm wavelength regions) is emerging as a viable solution for high bitrate data transmission. Unipolar quantum optoelectronics is the technology of choi…
View article: Deterministic and reconfigurable graph state generation with a single solid-state quantum emitter
Deterministic and reconfigurable graph state generation with a single solid-state quantum emitter Open
Measurement-based quantum computing offers a promising route towards scalable, universal photonic quantum computation. This approach relies on the deterministic and efficient generation of photonic graph states in which many photons are mu…
View article: Mid-Infrared Frequency Combs and Pulse Generation based on Single Section Interband Cascade Lasers
Mid-Infrared Frequency Combs and Pulse Generation based on Single Section Interband Cascade Lasers Open
Interband Cascade Lasers (ICLs) are semiconductor lasers emitting in the mid-wave infrared (MWIR 3-6 μm) and can operate as frequency combs (FCs). These demonstrations are based on double section cavities that can reduce dispersion and/or …
View article: Quantum interferences and gates with emitter-based coherent photon sources
Quantum interferences and gates with emitter-based coherent photon sources Open
Quantum emitters such as quantum dots, defects in diamond or in silicon have emerged as efficient single-photon sources that are progressively exploited in quantum technologies. In 2019, it was shown that the emitted single-photon states o…
View article: A deterministic and efficient source of frequency-polarization hyper-encoded photonic qubits
A deterministic and efficient source of frequency-polarization hyper-encoded photonic qubits Open
The frequency or color of photons is an attractive degree of freedom to encode and distribute the quantum information over long distances. However, the generation of frequency-encoded photonic qubits has so far relied on probabilistic non-…
View article: Unipolar quantum optoelectronics for high speed direct modulation and transmission in 8–14 µm atmospheric window
Unipolar quantum optoelectronics for high speed direct modulation and transmission in 8–14 µm atmospheric window Open
The large mid-infrared (MIR) spectral region, ranging from 2.5 µm to 25 µm, has remained under-exploited in the electromagnetic spectrum, primarily due to the absence of viable transceiver technologies. Notably, the 8–14 µm long-wave infra…
View article: Harnessing coupled nanolasers near exceptional points for directional emission
Harnessing coupled nanolasers near exceptional points for directional emission Open
Tailoring the losses of optical systems within the frame of non-Hermitian physics has appeared very fruitful in the last few years. In particular, the description of exceptional points (EPs) with coupled resonators have become widespread. …
View article: Elliptical micropillars for efficient generation and detection of coherent acoustic phonons
Elliptical micropillars for efficient generation and detection of coherent acoustic phonons Open
Coherent acoustic phonon generation and detection assisted by optical resonances are at the core of efficient optophononic transduction processes. However, when one is dealing with a single optical resonance, the optimum generation and det…
View article: Interference of ultrahigh frequency acoustic phonons from distant quasi-continuous sources
Interference of ultrahigh frequency acoustic phonons from distant quasi-continuous sources Open
The generation of propagating acoustic waves is essential for telecommunication applications, quantum technologies, and sensing. Up to now, the electrical generation has been at the core of most implementations, but is technologically limi…
View article: THz coherent source based on light structuration using III-V semiconductor laser technology
THz coherent source based on light structuration using III-V semiconductor laser technology Open
International audience
View article: Certified Randomness in Tight Space
Certified Randomness in Tight Space Open
Reliable randomness is a core ingredient in algorithms and applications ranging from numerical simulations to statistical sampling and cryptography. The outcomes of measurements on entangled quantum states can violate Bell inequalities, th…