Attosecond optoelectronics in band gap semiconductors

  • Posted by Grant Holder Manager
  • On 10 September 2021
  • 0 Comments
  • postdoc position

The ATTOCom project, a joint project between LIDYL (CEA Saclay), LOA (ENSTA-Ecole Polytechnique) and LCPMR (Sorbonne University) laboratories, aims at understanding and controlling the attosecond emission from high harmonic generation in band gap semiconductors. We are offering postdoc positions to lead the joint experimental developements at LIDYL and LOA (announcement attached). 

ATTOCOM project:
The ATTOCom project, a joint project between LIDYL (CEA Saclay), LOA (ENSTA-Institut Polytechnique Paris) and LCPMR (Paris Sorbonne University) laboratories, aims at understanding and controlling the attosecond emission from high harmonic generation in band gap semiconductors. Optoelectronics is extending to the highly non-linear regime. 2D and 3D semiconductors exhibits properties of high electron mobility that allows to drive attosecond electrons currents in the conduction band when submit to a strong laser field. The candidate will apply a novel technique based in our lab to induce a strong localization in time, at the single optical cycle, of the harmonic generation process. This control will be used to prepare a new generation of petahertz optoelectronic devices. Based on our group expertise, experimental and theoretical resources, the fellows will seek for efficient ways to control on attosecond time scale the harmonic emission. CEP studies of the harmonic emission correlated to the petahertz electron current will be performed. The candidate will develop scheme for the generation of isolated attosecond pulses using intrinsic and extrinsic HHG control.
Positions conditions: The candidates should have solid skills in one or more fields: strong-field physics, HHG spectroscopy, photo-electron spectroscopy, ultrafast condensed matter, ultrafast laser science. Post-doc candidates have to demonstrate autonomy, creativity and leadership (please provide at least 2 letters of recommendation, a motivation letter, a list of publication). Salary is in a range between 2200-2800 euros net/month for a post-doc depending on the fellow expertise/ experience.


Details
CEA-Saclay (20 km south of Paris). LIDYL Laboratory
LOA Laboratory – ENSTA –Institut Polytechnique Paris
Starting date: January 2022 Contract duration: 2 years, extendable.
Contact persons : Willem Boutu and H. Merdji
e-mail : willem.boutu@cea.fr hamed.merdji@cea.fr

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