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Antoine CONGAR defends his PhD thesis

21 June 2019

Antoine CONGAR defends his PhD thesis

« Spectral narrowing and intensity noise of coherent light sources based on gallium nitride laser diodes emitting in the blue range », Monday 2nd of september 2019, 2:00 pm, at ENSSAT (...)

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Cutting edges for exciton on hybrid perovskites

13 March 2017

Cutting edges for exciton on hybrid perovskites

(Science 2017) A Franco-American researchers team has elucidated the origin of the remarkable performances of devices based on layered perovskites for photovoltaic and light emission. This is based on the spontaneous conversion of electron-hole pairs, also called excitons, into free charge carriers via specific states located on the edges of the thin films used in the devices (...)

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World record for photon capture in micro-resonators

29 March 2016

World record for photon capture in micro-resonators

(Physical Review Letters, mar. 2016) The introduction of a slow-light medium in an optical micro-resonator extends the lifetime of a photon circulating in the device by several orders of magnitude.

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Laurent PEDESSEAU defends his HDR

17 June 2019

Laurent PEDESSEAU defends his HDR

« Sustainable material properties by density functional theory for optoelectronics and photovoltaics », Monday 17th june at 2:00 pm, INSA Rennes (...)

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Shijian WANG defends his PhD thesis

13 June 2019

Shijian WANG defends his PhD thesis

« Metallic nanostructure W-shaped for Nano-optic and Numerical simulation of tandem solar cells on silicon », thursday 13th june 2019, 10:00, at ICD of UTT (...)

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Mohamed Omar SAHNI defends his PhD thesis

1 June 2018

Mohamed Omar SAHNI defends his PhD thesis

« Contribution to the study of techniques for laser spectral narrowing: Application to mode-locked laser diodes used in optical telecommunications », Friday 1st of June 2018, 9:30 am, at ENSSAT (...)

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« Metrology of Optical Frequencies and Compact Frequency Combs »

12 February 2018

« Metrology of Optical Frequencies and Compact Frequency Combs »

Conference with Dr. Vincent RONCIN (LPL), on 12th february 2018 from 10:30 to 12:30, at Enssat-Lannion

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« Photon-phonon interactions in optical microfibers and nanofibers »

8 February 2018

« Photon-phonon interactions in optical microfibers and nanofibers »

Conference with Thibaut SYLVESTRE (Femto-ST), on 8th february 2018 from 14:30 to 15:30, at Enssat-Lannion

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Focus on

Hongzhi YANG defended his Ph.D thesis

Hongzhi has defended his thesis on June 4th, 2019, at the Beijing Institut of Technology (BIT). (...)

The ground exciton state of formamidinium lead bromide perovskite nanocrystals is a singlet dark state

Perovskite quantum dots (QDs) are promising nanostructures for optoelectronics, especially for (...)

Afonso DA CUNHA FERREIRA signs his first paper

In the framework of his PH. D. work, supervized by both Jacky EVEN et Philippe BOURGES (...)

Unraveling exciton-phonon coupling in individual FAPbI3 nanocrystals emitting near-infrared single photons

An optical spectroscopy of FAPbI3 perovskite quantum dots has evidenced single photon emission (...)

Scaling law for excitons in 2D perovskite quantum wells

Spectroscopy, magnetic field, Bethe-Salpeter, multi quantum wells, perovskites
The physics of (...)

Ida LUCCI signs her first paper

Within the Ph.D study supervised by Charles CORNET and co-supervised by Laurent PEDESSEAU at (...)

Design principles for electronic charge transport in solution-processed vertically stacked 2D perovskite quantum wells

Vertical perovskite solar cells
The growth of perovskite multilayers is controlled to enhance (...)

Entropy in halide perovskites

Materials based on halide perovskites have recently revolutionized the field of photovoltaics (...)

ABXPV18 / PEROPTO18:
two international Conferences on Perovskite materials take place in Rennes

Presentation The halide perovskite materials have formed a new class of semiconductors with (...)

Antoine CONGAR signs his first paper

Within his PhD thesis "Study of gallium nitride indium monomode lasers"
In this paper, we (...)