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Ph.D. position on nano-engineering of semiconductor Quantum Dots
Organization: III-Vlab
Location: Marcoussis, FRANCE
Field: Engineering
Abstract:
A quantum dot is a compound-semiconductor whose excitons are confined in all three spatial dimensions, leading to a sharper density of states than conventional structures. As a result, they have superior transport and optical properties
Description:
A quantum dot is a compound-semiconductor whose excitons are confined in all three spatial dimensions, leading to a sharper density of states than conventional structures. As a result, they have superior transport and optical properties. Several types of optoelectronic devices have been realized with quantum dots and remarkable properties have been demonstrated, in particular at III-Vlab, such as highly efficient mode-locking exceeding the state-of-the-art of conventional bulk and multiple quantum wells devices. The device performances of the current generation of InP-based quantum dots lasers are mostly limited by the inhomogeneous broadening, the polarization sensitivity and the low optical confinement of QDs, which result from their strain-driven nucleation process. We do believe that a disruptive approach based on the combination of strain-engineering, electronic coupling and design optimization of the nanostructures would allow for overcoming all these actual limitations.
Description
Within the PROPHET project you will be expected to: • Process InP-based QD lasers using buried ridge stripe technology • Perform static and dynamic laser characterization for the evaluation of the impact of strain-engineering on laser performances • Contribute to long wavelength lasers design for gas sensing applications
Additional Job Details
III-Vlab is a joint Laboratory of "Alcatel Lucent Bell Labs" and "Thales Research &Technology", Route de Nozay, 91460 Marcoussis, France (www.3-5lab.fr) Prophet is a Marie Curie Initial Training Network funded by the EU Framework Programme 7 (www.prophet-itn.eu)
Deadline: 30-06-2011
Contacts:
Link: http://www.nature.com/naturejobs/science/jobs/185858-Ph-D-position-on-nano-engin...
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