Photoactive materials and devices for energy-efficient soft wearable optoelectronic systems

S Lee, J Kim, H Kwon, D Son, IS Kim, J Kang - Nano Energy, 2023‏ - Elsevier
Advances in conventional inorganic photoactive materials, such as silicon and III–V
compound semiconductors, enabled the development of high-performance and energy …

Tapered InP nanowire arrays for efficient broadband high-speed single-photon detection

SJ Gibson, B van Kasteren, B Tekcan, Y Cui… - Nature …, 2019‏ - nature.com
Superconducting nanowire single-photon detectors with peak efficiencies above 90% and
unrivalled timing jitter (< 30 ps) have emerged as a potent technology for quantum …

[HTML][HTML] Delay dynamics of neuromorphic optoelectronic nanoscale resonators: Perspectives and applications

B Romeira, JML Figueiredo, J Javaloyes - Chaos: An Interdisciplinary …, 2017‏ - pubs.aip.org
With the recent exponential growth of applications using artificial intelligence (AI), the
development of efficient and ultrafast brain-like (neuromorphic) systems is crucial for future …

[HTML][HTML] Single-photon counting with semiconductor resonant tunneling devices

A Pfenning, S Krüger, F Jabeen, L Worschech… - Nanomaterials, 2022‏ - mdpi.com
Optical quantum information science and technologies require the capability to generate,
control, and detect single or multiple quanta of light. The need to detect individual photons …

Photo-detectors integrated with resonant tunneling diodes

B Romeira, LM Pessoa, HM Salgado, CN Ironside… - Sensors, 2013‏ - mdpi.com
We report on photo-detectors consisting of an optical waveguide that incorporates a
resonant tunneling diode (RTD). Operating at wavelengths around 1.55 μ m in the optical …

Impact of composition of AlGaInAs confining barriers on emission of InAs quantum dots embedded in AlGaAs/GaAs dot-in-a-well heterostructures

T Torchynska, R Cisneros-Tamayo, IJG Moreno… - Optical Materials, 2024‏ - Elsevier
The emission of InAs quantum dots (QDs) grown on Al 0.30 Ga 0.70 As/GaAs
heterostructures and integrated into additional cap**/buffer quantum wells (QW), known …

[ספר][B] Resonant Tunnelling Diode Photonics Devices and Applications

C Ironside, B Romeira, J Figueiredo - 2023‏ - iopscience.iop.org
The resonant tunnelling diode (RTD) is a semiconductor device that can act as the highest
speed electronic amplifier and oscillator (bandwidth> 1 THz). It is made using ultrathin (< 10 …

Quantum dot single-photon switches of resonant tunneling current for discriminating-photon-number detection

Q Weng, Z An, B Zhang, P Chen, X Chen, Z Zhu… - Scientific reports, 2015‏ - nature.com
Low-noise single-photon detectors that can resolve photon numbers are used to monitor the
operation of quantum gates in linear-optical quantum computation. Exactly 0, 1 or 2 photons …

Cavity-enhanced resonant tunneling photodetector at telecommunication wavelengths

A Pfenning, F Hartmann, F Langer, S Höfling… - Applied Physics …, 2014‏ - pubs.aip.org
An AlGaAs/GaAs double barrier resonant tunneling diode (RTD) with a nearby lattice-
matched GaInNAs absorption layer was integrated into an optical cavity consisting of five …

GaAs/AlGaAs resonant tunneling diodes with a GaInNAs absorption layer for telecommunication light sensing

F Hartmann, F Langer, D Bis**, A Musterer… - Applied Physics …, 2012‏ - pubs.aip.org
Al 0.6 Ga 0.4 As/GaAs/Al 0.6 Ga 0.4 As double-barrier resonant-tunneling diodes (RTD)
were grown by molecular beam epitaxy with a nearby, lattice-matched Ga 0.89 In 0.11 N …