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This topical review focuses on solid-state quantum-light sources which are fabricated in a deterministic fashion. In this framework we cover quantum emitters represented by semiconductor quantum dots, colour centres in diamond, and…

Applied Physics · Physics 2019-12-09 Sven Rodt , Stephan Reitzenstein , Tobias Heindel

Coherent scattering of light by a single quantum emitter is a fundamental process at the heart of many proposed quantum technologies. Unlike atomic systems, solid-state emitters couple to their host lattice by phonons. Using a quantum dot…

Bottom up nanowires are attractive for realizing semiconductor devices with extreme heterostructures because strain relaxation through the nanowire sidewalls allows the combination of highly lattice mismatched materials without creating…

Random lasers (RLs) are intriguing devices with promising applications as light sources for imaging, sensing, super resolution spectral analysis or complex networks engineering. RLs can be obtained from optically pumped dyes, optical fibers…

Optics · Physics 2022-03-23 Antonio Consoli , Niccolò Caselli , Cefe López

A highly stable monitoring system based on blue and red light emitting diodes coupled to a distribution network comprised of optical fibers has been developed for an electromagnetic calorimeter that uses lead tungstate crystals readout with…

Silicon-compatible short- and mid-wave infrared emitters are highly sought-after for on-chip monolithic integration of electronic and photonic circuits to serve a myriad of applications in sensing and communication. To address this…

The development of sources delivering non-classical states of light is one of the main needs for applications of optical quantum information science. Here, we demonstrate the generation of non-classical states of light using strong-laser…

Organic solid-state lasers are reviewed, with a special emphasis on works published during the last decade. Referring originally to dyes in solid-state polymeric matrices, organic lasers also include the rich family of organic…

Optics · Physics 2011-11-28 Sébastien Chenais , Sebastien Forget

A Light Emitting Diode (LED) based on a two dimensional (2D) Hybrid Organic-Inorganic Semiconductor (HOIS) functioning at room temperature is demonstrated. LED is fabricated by depositing a layer of (4-fluorophenethylamine-H)2PbI4 on an ITO…

Chemical Physics · Physics 2017-01-25 Anastasia Vassilakopoulou , Dionysios Papadatos , Ioannis Koutselas

White light emitting diodes (LEDs) have become the most widely used lighting devices due to their high luminous efficiency, environmental friendliness, long lifespan, and energy-saving advantages. Currently, the production of white light…

Optics · Physics 2025-08-20 Rouziaji Alimu , Jiang Yu , Wang Maohua , Aierken Sidike

Organic Light Emitting Diodes (OLED) have experienced vast attention in the scientific literature as the leading contender for the next generation of electronic lighting technology. However, while research continues to push the limit for…

Applied Physics · Physics 2019-08-02 Sahadev Somasundaram

Angle-independent, narrowband emission is required for many optoelectronic devices, ranging from high-definition displays to sensors. However, emerging materials for electroluminescent devices, such as organics and perovskites, show…

Optics · Physics 2023-03-17 Andreas Mischok , Sabina Hillebrandt , Seonil Kwon , Malte C. Gather

A fluorescence system is developed by using several light emitting diodes (LEDs) with different wavelengths as excitation light sources. The fluorescence detection head consists of multi LED light sources and a multimode fiber for…

Optics · Physics 2013-11-19 Yongjiang Dong , Xuan Liu , Liang Mei , Chao Feng , Chunsheng Yan , Sailing He

The increased use of LEDs for lighting purposes has led to the development of numerous applications requiring a pre-selection of LEDs by their luminance and / or their chromaticity coordinate. This paper demonstrates how a manual…

Other Computer Science · Computer Science 2010-03-12 Ulrich H. P. Fischer , Jens-Uwe Just , Christian Reinboth

We report novel graphene nanoribbon (GNR)/semiconductor nanowire (SNW) heterojunction light-emitting diodes (LEDs) for the first time. The GNR and SNW have a face-to-face contact structure, which has the merit of bigger active region. ZnO,…

Mesoscale and Nanoscale Physics · Physics 2011-03-10 Yu Ye , Lin Gan , Lun Dai , Hu Meng , Feng Wei , Yu Dai , Zujin Shi , Bin Yu , Xuefeng Guo , Guogang Qin

This paper proposes a novel power-efficient light-emitting diode (LED) placement algorithm for indoor visible light communication (VLC). In the considered model, the LEDs can be designedly placed for high power efficiency while satisfying…

Signal Processing · Electrical Eng. & Systems 2020-12-30 Yang Yang , Zhiyu Zhu , Caili Guo , Chunyan Feng

Electroluminescence emission controlled by means of surface acoustic waves (SAWs) in planar light-emitting diodes (pLEDs) is demonstrated. Interdigital transducers for SAW generation were integrated onto pLEDs fabricated following the…

Other Condensed Matter · Physics 2009-11-10 Marco Cecchini , Giorgio De Simoni , Vincenzo Piazza , Fabio Beltram , H. E. Beere , D. A. Ritchie

We present Haptic Light-Emitting Diodes (HLEDs), luminous thermopneumatic actuators that directly convert pulsed light into mechanical forces and displacements. Each device packages a miniature surface-mount LED in a gas-filled cavity that…

Human-Computer Interaction · Computer Science 2026-04-29 Max Linnander , Yon Visell

Triggered sources of entangled photons play crucial roles in almost any existing protocol of quantum information science. The possibility to generate these non-classical states of light with high speed and using electrical pulses could…

The ``atom diode'' is a laser device that lets the ground state atom pass in one direction but not in the opposite direction. We examine three-dimensional effects of that device for arbitrary atomic incidence angles on flat laser sheets and…

Quantum Physics · Physics 2009-11-13 A. Ruschhaupt , J. G. Muga