Browsing by Author "Özdemir, Onur"
Now showing items 1-5 of 5
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Further into the infrared with quantum dot photodetectors
(Universitat Politècnica de Catalunya, 2022-02-04)
Doctoral thesis
Open AccessIn the infrared, photodetectors are the key components in a wide-variety of applications such as thermal imaging, remote sensing, spectroscopy with newer technologies added to the list such as LiDaR and deep tissue imaging. ... -
Hybrid 2D-QD MoS2–PbSe quantum dot broadband photodetectors with high-sensitivity and room-temperature operation at 2.5 µm
(2021-09-12)
Article
Open AccessBroadband infrared photodetectors have profound importance in diverse applications including security, gas sensing, bioimaging, spectroscopy for food quality, and recycling, just to name a few. Yet, these applications can ... -
Mid- and long-wave infrared optoelectronics via intraband transitions in PbS Colloidal Quantum Dots
(2020-02-12)
Article
Open AccessOptical sensing in the mid- and long-wave infrared (MWIR, LWIR) is of paramount importance for a large spectrum of applications including environmental monitoring, gas sensing, hazard detection, food and product manufacturing ... -
Single-exciton gain and stimulated emission across the infrared telecom band from robust heavily doped PbS colloidal quantum dots
(2020-08-12)
Article
Open AccessMaterials with optical gain in the infrared are of paramount importance for optical communications, medical diagnostics, and silicon photonics. The current technology is based either on costly III-V semiconductors that are ... -
Size- and temperature-dependent intraband optical properties of heavily n-doped PbS colloidal quantum dot solid-state films
(2020-06-23)
Article
Open AccessSteady-state access to intraband transitions in colloidal quantum dots (CQDs), via heavy doping, allows exploiting the electromagnetic spectrum at energies below the band gap. CQD intraband optoelectronics opens up a new ...
