TUM researchers developed a new method for #QuantumCommunication that increases the share of desired photons from 23% to 72%. The approach could enable more efficient and scalable #SinglePhotonSources: go.tum.de/280084

@wissenschaftsrat.de

📷C. Hohmann / @mcqst.bsky.social

Bridging pulsed and continuous-wave quantum dot excitation, we reveal cavity-enhanced dynamics and warped chevron patterns, advancing single-photon source optimization through polarization-split cavity control.

#QuantumDots #CavityQED #SinglePhotonSources

High-efficiency, charge-tunable single-photon source achieving 68.1% photon extraction efficiency and blinking-free emission with Purcell factor of 18—a key building block for quantum networks and photonic quantum computing.

#QuantumPhotonics #SinglePhotonSources #Research

The installation of new single photon sources is always a magical moment, it is an exciting scientific jump into the unknown #qd #singlephotonsources #cqed #physics #photonics @Quandela_SAS @C2N_com

Effective analytical model successfully describes single-photon source photon statistics coupled to cavities via modified relaxation rates, valid even in strong-coupling regimes where cavity-induced non-Markovian effects emerge.

#QuantumPhotonics #SinglePhotonSources #Research

Achieved 88% two-photon indistinguishability between distant quantum dot-cavity sources—a breakthrough for scalable photonic quantum computing. Overcame wavelength matching challenges using precise fabrication and dual tuning mechanisms.

#QuantumPhotonics #SinglePhotonSources #QuantumDots

Record 16 nm Stark tuning range enables electrically controlled single-photon generation at telecom O-band wavelengths on silicon with exceptional purity (g²(0)=0.0078) and stable operation to 77 K, advancing scalable quantum photonic networks.

#QuantumPhotonics #SinglePhotonSources #Research