We are hosting the 13th International Conference on Quantum Communication, Measurement and Computing (QCMC) on the NUS campus, 4-8 July. The meeting aims to encourage and bring together scientists and engineers working in the interdisciplinary field of quantum information science and technology. Register by 30 April for early bird rates.
Compression of experimental data reveals the presence of quantum correlations
Four stories from over 400 entries claim prizes in the international competition organised by CQT
CQT research on BBO crystal performance points to cost-saving designs for quantum devices
- CQT PhD Oral Defense by Xikun Li — 05 May, 09:00 AM
- An event to celebrate Shannon Centenary — 05 May, 01:00 PM
CQT PhD Oral Defense by Xikun Li
Title: Error Regions for Properties of the Quantum State
Date/Time: 05 May, 09:00 AM
Venue: CQT Level 3 Conference Room, S15-03-18
This thesis mainly studies the method for constructing error intervals for properties of the quantum state.
As a complement to point estimators, region estimators supplement the error regions to the point estimator. Several recipes have been proposed for quantum state estimation. However, they are usually ad hoc in nature. By contrast, we systematically construct optimal error regions from the data actually observed.
As a generalization of the above scenario, we propose a method for constructing error intervals for a single property of the state. Often, we care much about a few properties of the state. Therefore, a direct estimate of the properties of interest is more practical than the estimate of the whole quantum state. The optimal error intervals are characterized by finding the constant likelihood values conditional on properties of state.
For illustration, we identify the optimal error intervals for fidelity and purity of single-qubit states, as well as the CHSH quantity for two-qubit states.
An event to celebrate Shannon Centenary
Title: Shannon Centenary
Date/Time: 05 May, 01:00 PM
Venue: Auditorium 1, Town Plaza, UTown, NUS
Claude Elwood Shannon is considered as the father of the information age. He was born on April 30, 1916, he would have been 100 years old this year. To celebrate Shannon Centenary, a half day event is being organized on May 5, 2016, gathering information theorists, researchers, and students from all backgrounds in Singapore.
The programme includes the following talks:
Talk 1: 2:00pm - 2:45pm
Quantum Simplicity - How Complex Systems may be Simplified using Quantum Theory
by Mile GU, NTU/SPMS
Talk 2: 3:15pm - 4:00pm
What we can learn from a bit of information theory
by Mehul MOTANI, NUS/ECE
Talk 3: 4:30pm - 5:15pm
A puzzle is worth more than a thousand bits
by Narayana SANTHANAM, University of Hawaii/EE
More details and registration:
- Semiclassical bifurcations and topological phase transitions in a one-dimensional lattice of coupled Lipkin-Meshkov-Glick models
- Time-resolved Scattering of a Single Photon by a Single Atom
- Covert quantum communication
- Optical properties of an atomic ensemble coupled to a band edge of a photonic crystal waveguide
- Practical Quantum Retrieval Games