News
RESEARCH HIGHLIGHTS
A single semiconductor spin is completely controlled by ultrashort optical pulses.
"Complete quantum control of a single quantum dot spin using ultrafast optical pulses"
Nature 456, 218 (November 2008)
Entanglement based QKD was implemented over 100km optical fiber.
"Long-distance entanglement-based quantum key distribution over optical fiber"
Optics Express 16, 19119 (November 2008)
An ensemble of donor bound electron spins is controlled by ultrashort optical pulses.
"Ultrafast control of donor-bound electron spins with single detuned optical pulses"
Nature Physics 4, 780 (September, 2008)
First evidence for the exciton-polariton superfluidity is established.
"Observation of Bogoliubov excitations in exciton-polariton condensates"
Nature Physics 4, 700 (September, 2008)
Superfluid zero-state and pi-state are observed in a 1D exciton polariton condensate array.
"Coherent zero-state and pi-state in an exciton-polariton condensate array"
Strong coupling between a single InAs quantum dot and monolithic post DBR microcavity was realized
"Photon Antibunching from a Single Quantum-Dot-Microcavity System in the Strong Coupling Regime"
Phys. Rev. Lett. 98, 117402 (2007)
Very fast (100GHz clock frequency) quantum computation based on semiconductor electron spins controlled by coherent state optical pulses is proposed.
"Quantum Computers Based on Electron Spins Controlled by Ultrafast Off-Resonant Single Optical Pulses"
Phys. Rev. Lett. 99, 040501 (2007)
A DPS-QKD system with 10GHz clock frequency and 200km fiber transmission line is demonstrated using superconducting single photon detectors.
"Quantum key distribution over a 40-dB channel loss using superconducting single-photon detectors"
Nature Photonics 1, 343 (2007)
Off-diagonal long range order is observed in the exciton polariton condensate by using the Young's double slit interferometer.
"Spatial Coherence of a Polariton Condensate"
Phys. Rev. Lett. 99, 126403 (2007)
Solid-state physical system to investigate a quantum fermionic Hubbard model is proposed using surface acoustic waves.
"Quantum simulator for the Hubbard model with long-range Coulomb interactions using surface acoustic wavers"
Phys. Rev. Lett. 99, 016405 (2007)
A collective behavior of electrons in a single-walled carbon nanotube is revealed via shot noise and conductance.
"Tomonaga-Luttinger Liquid Features in Ballistic Single-Walled Carbon Nanotubes: Conductance and Shot Noise"
Phys. Rev. Lett. 99, 036802 (2007)