Organic Light-Emitting Diodes: Lasers, Dynamics, and High-Speed Devices

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Lasers, Light Sources and Sensors".

Deadline for manuscript submissions: closed (1 August 2021) | Viewed by 311

Special Issue Editors

LPL Laboratory, University Sorbonne Paris Nord, 95170 Villetaneuse, France
Interests: OLED; organic diode laser; chaotic semiconductor laser; high speed OLED
Institute for Photonic Integration, Eindhoven University of Technology, Eindhoven, The Netherlands
Interests: nonlinear laser dynamics; organic light-emitting diodes and lasers; semiconductor lasers; photonic integration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

After more than 30 years of intensive scientific efforts, organic optoelectronics has become a well-established scientific field with devices that have reached the stage of mass production for display and lighting. Despite these accomplishments, several issues remain to be resolved. For example, organic light-emitting devices (OLEDs) made either of polymers or small molecules have been considered slow, that is, with a low cut-off frequency (much smaller than even MHz) preventing applications in the field of photonic communication and sensing. Another challenge has been demonstrating an electrically driven organic laser diode.

During the last few years, two scientific breakthroughs have indicated that we may be at the very beginning of a new phase in the exploration of organic light emission: (a) lasing in an organic diode by the group of Adachi in 2019 [1], and (b) the demonstration of the high-speed response of OLEDs by the group of Fischer in 2018 [2], with application to high-bit-rate light communication by the groups of Samuel and Haas [3].

These results mark the opening of a new field, where colleagues from other expert communities may contribute to the understanding of OLED with new concepts. For example, physicists from the laser-dynamics community will bring new expertise in the design, understanding, and analysis of organic laser diodes, possibly inspired by decades of research on III–V counterparts. The microwave community will explore the nonlinear properties of organic materials to investigate new frequency scales in organic semiconductors with potential novel applications in RF devices. The chemistry and material science communities will provide necessary insight on how to select and define organic compounds with sub-nanosecond electroluminescence lifetime, with the underlying question being: “Can light-emitting organic semiconductors exhibit shorter luminescence lifetime than their inorganic counterparts?” This may lead to faster devices. In that case, the light communication community can use high-speed organic devices for photonic communication.

Considering these exciting new developments, we strongly believe that documentation in a Special Issue of Photonics is justified. In this Special Issue, we aim to collect original state-of-the-art research articles that clearly feature this fascinating scenario. Researchers are invited to submit their contributions to this Special Issue on topics that include but are not limited to:

  • Lasing in organic semiconductors under electrical excitation;
  • Optical and laser dynamics analysis;
  • Mechanisms that underly the dynamics and lasing in electrically pumped organic heterostructures;
  • Design of high-Q cavities for OLEDs, which are essential to achieve lasing in the visible;
  • OLEDs for optical communication and sensing;
  • Short-pulse electrical excitation in OLEDs;
  • New organic materials for high laser gain;
  • Material properties of organic compounds with ultra-short photoluminescence lifetime;
  • (Fast) light-emitting organic semiconductors in the near-infrared.

Prof. Dr. Alexis Fischer
Prof. Dr. Daan Lenstra
Guest Editors

References

  1. Sandanayaka, A.S.D.; Matsushima, T.; Bencheikh, F.; Terakawa, S.; Potscavage, W.J., Jr.; Qin, C.; Fujihara, T.; Goushi, K.; Jean-Charles Ribierre, J.-C.; Adachi, C. Indication of current-injection lasing from an organic semiconductor. Phys. Express 2019, 12, doi:10.7567/1882-0786/ab1b90.
  2. Chime, A.C.; Fischer, A.P.A.; Bensmida, S.; Solard, J.; Chakaroun, M.; Nkwawo, H. Analysis of Optical and Electrical Responses of μ-OLED With Metallized ITO Coplanar Waveguide Electrodes Submitted to Nanosecond Electrical Pulses. IEEE Trans. Electron Devices 2019, 66, 2282–2289, doi:10.1109/TED.2019.2905839.
  3. Yoshida, K.; Manousiadis, P.P., Bian, R. et al. 245 MHz bandwidth organic light-emitting diodes used in a gigabit optical wireless data link. Nat Commun. 2020, 11, 1171, doi:10.1038/s41467-020-14880-2.

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Published Papers

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