scholarly journals FIR and Microwave Photon Detection by Quantum Dots

2003 ◽  
Vol 72 (Suppl.A) ◽  
pp. 102-105 ◽  
Author(s):  
Oleg Astafiev ◽  
Takeshi Kutsuwa ◽  
Vladimir Antonov ◽  
Susumu Komiyama
2021 ◽  
Vol 103 (6) ◽  
Author(s):  
P. Navez ◽  
A. G. Balanov ◽  
S. E. Savel'ev ◽  
A. M. Zagoskin

Sensors ◽  
2020 ◽  
Vol 20 (14) ◽  
pp. 4010
Author(s):  
Alberto Ghirri ◽  
Samuele Cornia ◽  
Marco Affronte

Detectors of microwave photons find applications in different fields ranging from security to cosmology. Due to the intrinsic difficulties related to the detection of vanishingly small energy quanta ℏ ω , significant portions of the microwave electromagnetic spectrum are still uncovered by suitable techniques. No prevailing technology has clearly emerged yet, although different solutions have been tested in different contexts. Here, we focus on semiconductor quantum dots, which feature wide tunability by external gate voltages and scalability for large architectures. We discuss possible pathways for the development of microwave photon detectors based on photon-assisted tunneling in semiconducting double quantum dot circuits. In particular, we consider implementations based on either broadband transmission lines or resonant cavities, and we discuss how developments in charge sensing techniques and hybrid architectures may be beneficial for the development of efficient photon detectors in the microwave range.


2009 ◽  
Vol 42 (14) ◽  
pp. 145501 ◽  
Author(s):  
M L Jones ◽  
G J Wilkes ◽  
B T H Varcoe

2000 ◽  
Vol 62 (24) ◽  
pp. 16731-16743 ◽  
Author(s):  
O. Astafiev ◽  
V. Antonov ◽  
T. Kutsuwa ◽  
S. Komiyama

Photonics ◽  
2016 ◽  
Vol 3 (4) ◽  
pp. 59 ◽  
Author(s):  
April Cridland ◽  
John Lacy ◽  
Jonathan Pinder ◽  
José Verdú

2020 ◽  
Vol 11 ◽  
pp. 960-965 ◽  
Author(s):  
Leonid S Revin ◽  
Andrey L Pankratov ◽  
Anna V Gordeeva ◽  
Anton A Yablokov ◽  
Igor V Rakut ◽  
...  

An aluminium Josephson junction (JJ), with a critical current suppressed by a factor of three compared with the maximal value calculated from the gap, is experimentally investigated for application as a threshold detector for microwave photons. We present the preliminary results of measurements of the lifetime of the superconducting state and the probability of switching by a 9 GHz external signal. We found an anomalously large lifetime, not described by the Kramers’ theory for the escape time over a barrier under the influence of fluctuations. We explain it by the phase diffusion regime, which is evident from the temperature dependence of the switching current histograms. Therefore, phase diffusion allows for a significant improvement of the noise immunity of a device, radically decreasing the dark count rate, but it will also decrease the single-photon sensitivity of the considered threshold detector. Quantization of the switching probability tilt as a function of the signal attenuation for various bias currents through the JJ is observed, which resembles the differentiation between N and N + 1 photon absorption.


Sign in / Sign up

Export Citation Format

Share Document