scholarly journals Efficient photoconductive terahertz detection through photon trapping in plasmonic nanocavities

APL Photonics ◽  
2021 ◽  
Vol 6 (8) ◽  
pp. 080802
Author(s):  
N. T. Yardimci ◽  
D. Turan ◽  
M. Jarrahi
Keyword(s):  
Terahertz Detection ◽  
Photon Trapping

scholarly journals Resonant plasmonic terahertz detection in graphene split-gate field-effect transistors with lateral p–n junctions

2016 ◽  
Vol 49 (31) ◽  
pp. 315103 ◽  
Author(s):  
V Ryzhii ◽  
M Ryzhii ◽  
M S Shur ◽  
V Mitin ◽  
A Satou ◽  
...  
Keyword(s):  
Field Effect ◽  
Field Effect Transistors ◽  
Terahertz Detection

scholarly journals Optomechanical terahertz detection with single meta-atom resonator

2017 ◽  
Vol 8 (1) ◽  
Author(s):  
Cherif Belacel ◽  
Yanko Todorov ◽  
Stefano Barbieri ◽  
Djamal Gacemi ◽  
Ivan Favero ◽  
...  
Keyword(s):  
Terahertz Detection ◽  
Meta Atom

CURRENT INDUCED ENTANGLEMENT OF DOUBLE QUANTUM DOT EXCITONS

2003 ◽  
Vol 02 (06) ◽  
pp. 527-534
Author(s):  
YUEH-NAN CHEN ◽  
DER-SAN CHUU
Keyword(s):  
Quantum Dot ◽  
Cavity Length ◽  
Oscillatory Behavior ◽  
Entangled State ◽  
Double Quantum ◽  
Single Photons ◽  
Purcell Effect ◽  
Double Quantum Dot ◽  
Photon Trapping

We propose to measure Purcell effect by observing the current through a semeiconductor quantum dot embedded inside a microcavity. The stationary current is shown to be altered if one varies the cavity length. For the double-dot system, we find that the stationary current shows oscillatory behavior as one varies the inter-dot distance. Furthermore, the current is suppressed if the dot distance is small compared to the wavelength of the emitted photon. This photon trapping phenomenon generates the entangled state and may be used to control the emission of single photons at predetermined times.

Optical Gating of Black Phosphorus for Terahertz Detection

Nano Letters ◽  
2017 ◽  
Vol 17 (9) ◽  
pp. 5811-5816 ◽  
Author(s):  
Martin Mittendorff ◽  
Ryan J. Suess ◽  
Edward Leong ◽  
Thomas E. Murphy
Keyword(s):  
Black Phosphorus ◽  
Optical Gating ◽  
Terahertz Detection

scholarly journals Off-Axis Diffractive Optics for Compact Terahertz Detection Setup

2020 ◽  
Vol 10 (23) ◽  
pp. 8594
Author(s):  
Paweł Komorowski ◽  
Mateusz Surma ◽  
Michał Walczakowski ◽  
Przemysław Zagrajek ◽  
Agnieszka Siemion
Keyword(s):  
3D Printing ◽  
Small Volume ◽  
Optical Element ◽  
Structure Design ◽  
Thz Radiation ◽  
Direct Printing ◽  
Terahertz Detection ◽  
3D Printed ◽  
Printing Techniques ◽  
Optical Structure

Medical and many other applications require small-volume setups enabling terahertz imaging. Therefore, we aim to develop a device for the in-reflection examination of the samples. Thus, in this article, we focus on the diffractive elements for efficient redirection and focusing of the THz radiation. A terahertz diffractive optical structure has been designed, optimized, manufactured (using extrusion-based 3D printing) and tested. Two manufacturing methods have been used—direct printing of the structures from PA12, and casting of the paraffin structures out of 3D-printed molds. Also, the limitations of the off-axis focusing have been discussed. To increase the efficiency, an iterative algorithm has been proposed that optimizes off-axis structures to focus the radiation into small focal spots located far from the optical axis, at an angle of more than 30 degrees. Moreover, the application of higher-order kinoform structure design allowed the maintaining of the smallest details of the manufactured optical element, using 3D printing techniques.

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