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Phd students !

University of Birmingham

Space Optical Clock:

The higher frequencies of optical transitions enable unprecedented accuracy in time which opens a whole new field of applications, from precision tests of fundamental physics to relativistic geodesy. This project aims at the realization of a mobile frequency standard based on strontium (Sr) in optical lattices. Unlike alkali systems such as Rb or Na, Sr is an alkline-earth element with two valence electrons which give rise to a singlet state (ground state) and a triplet state. The dipole transitions from a singlet state to a triplet state are forbidden, which results in a long meta-stable lifetimes and as narrow line widths as one mHz. This project is embedded in the European collaboration project Space Optical Clock II, and will pave the way for future space missions aiming at fundamental tests. ******************************************************************************

Integrated Quantum Sensors (iSense): We are co-ordinating a European collaboration on developing the next generation mobile atom interferometric sensor. The unprecedented control over cold atoms has resulted in extremely precise sensors such as atomic clocks and atom interferometers. This project has two main goals, one fundamental science and another technological development. From the scientific point of view, it aims at realising a precise force sensor. Technologically it utilises state-of-the-art methods developed recently in the information and communication sector, where integrated optics is enabling ubiquitous high-speed internet and communications infrastructure. Transferring Information and Communication Technologies (ICT) has the potential to reduce the form factor of atom-based quantum sensors by at least an order of magnitude which would enable a step change towards commercial applications. . It will also be a tool for space missions, where compact, low power, ultra-high precision investigation of the local space-time manifold is required, or indeed where a distributed network of such sensors would be appropriate. In brief, applications include fundamental physics tests, quantum ICT devices, satellite geodesy, oil or mineral prospecting and communication network timing. ******************************************************************************

You can send your queries/applications to Dr. Yeshpal Singh or Prof. Kai Bongs. Dr. Yeshpal Singh-; Prof. Kai Bongs-

Closing Date
15 Feb 2011


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