Femtosecond Spectroscopy Unit (Keshav Dani)
30 Nov 2020 - 16:50
The new class of semiconductors, known as transition metal dichalcogenide monolayers (TMDs), have structures similar to graphene. TMDs are made up of just a single layer of atoms that are arranged to...
16 Apr 2020 - 00:49
The trap clusters (light blue) were found to exist at the boundaries between certain grains.
16 Apr 2020 - 00:00
A multi-institutional collaboration, co-led by scientists at the University of Cambridge and Okinawa Institute of Science and Technology Graduate University (OIST), has discovered the source of...
Type: Press release
14 Apr 2020 - 09:51
The project team at OIST. From left to right: Professor Keshav Dani (Principal Investigator); Andrew Winchester (co-lead author); Vivek Pareek; Sofiia Kosar; Christopher Petoukhoff; Michael Man and...
14 Apr 2020 - 09:45
Researchers from the OIST Femtosecond Spectroscopy Unit conduct experiments in the laser lab.
23 Mar 2020 - 15:44
Since its discovery in 2014, phosphorene – a sheet of phosphorus atoms only a single atom thick – has intrigued scientists, due to its unique optoelectronic anisotropy. In other words, electrons...
Type: News Article
23 Mar 2020 - 14:35
Researchers from the Femtosecond Spectroscopy Unit, Vivek Pareek (left) and Dr. Julian Madéo (right) in the laser lab.
23 Mar 2020 - 14:33
At low exciton density, interactions only occur in 1D, along the favorable direction. At high exciton density, interactions occur in 2D, along both directions.
23 Mar 2020 - 13:39
For exciton-exciton annihilation to occur, two excitons must interact with each other. These interactions are well-characterized for 1D and 2D systems. In a 1D system, we can think of exciton...
26 Sep 2018 - 11:13
Using a combination of femtosecond spectroscopy with electron microscopy techniques, the flow of electrons on femtosecond timescales was tracked. First, an ultrafast laser beam was used to excite the...
26 Sep 2018 - 09:27
The prevalence of electronic devices has transformed life in the 21st century. At the heart of these devices is the movement of electrons across materials. Scientists today continue to discover...
Type: News Article
25 Sep 2018 - 17:36
From left –Dr. Michael Man, Dr. Julien Madéo, Mr. Vivek Pareek, Dr. E Laine Wong, Prof. Keshav Dani, and Mr. Andrew Winchester.