Signal-to-Noise Ratio of the Thermoelectric Single-Photon Detector with CeB6 Sensor and Bi-2223 Absorber

Kuzanyan, A. A.; Kuzanyan, A. S.; Nikoghosyan, V. R.; Tatoyan, V. T.; Kuzanyan, V. S.; Harutyunyan, Syuzanna R.; Kharatyan, G. Ts.; Badalyan, G. R.

doi:10.1134/s1068337223020123

Cited by 6 publications

(4 citation statements)

References 38 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Building upon the research initiated in Ref. 26, our investigation focuses on a three-layer detector pixel configuration referred to as WLW. This configuration consists of a tungsten absorber, a thermoelectric sensor made of La 0.99 Ce 0.01 B 6 , and a tungsten heat sink.…”

Section: Methodsmentioning

confidence: 99%

“…[20][21][22][23] Various materials have been utilized in the construction of these detection pixels, enabling their operation at temperatures ranging from 1to 9 K. The results demonstrate that TSPDs exhibit high efficiency, and photon number-resolving detection is achievable with a count rate of 10 14 cps. 24,25 Recent research has focused on investigating the signal observed on the CeB 6 sensor and the equivalent power of noise in the detection pixel with a Bi-2223 superconducting absorber at an operating temperature of 9 K. 26 The signal-to-noise ratio (SNR) is calculated for the absorption of photons with energies ranging from 0.8 eV to 1 keV. The results indicate the need to enhance the SNR, which can be achieved by lowering the operating temperature of the detection pixel.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Ultraviolet thermoelectric single photon detector with high signal-to-noise ratio

Kuzanyan,

Nikoghosyan,

Kuzanyan

2024

Opt. Eng.

View full text Add to dashboard Cite

In this paper, we present the results of simulating heat propagation processes in the thermoelectric detection pixel after absorbing single photons of UV radiation with energies ranging from 7.1 to 124 eV. The detection pixels, with an operating temperature of 1 K, consist of an absorber (W), a thermoelectric sensor (La 0.99 Ce 0.01 B 6 ), a heat sink (W), and a substrate (Al 2 O 3 ). The heat transfer processes in the detection pixels with different layer thicknesses and surface areas were modeled and simulated using the three-dimensional matrix method for differential equations based on the equation of heat propagation from a limited volume. The temporal dependencies of the temperature at various points in the detection pixels and the average temperature of the layers' surfaces were calculated. The main signal parameters, such as the maximum value, time to the peak value, decay time, full width at half maximum, and signal power, were determined. In addition, the phonon noise, Johnson noise, and the total noise equivalent power of the detection pixels were calculated. The data obtained show how the signal-to-noise ratio (SNR) depends on the energy of the absorbed photon, the geometry of the detection pixel, and the bandwidth of the signal measurement. Moreover, it was observed that the SNR exceeds unity multiple times for the absorption of photons of all considered energies in the detection pixel with a surface area of 1μm 2 .

show abstract

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Ultraviolet thermoelectric single photon detector with high signal-to-noise ratio

Kuzanyan,

Nikoghosyan,

Kuzanyan

2024

Opt. Eng.

View full text Add to dashboard Cite

show abstract

“…20,21 Through modeling and computer simulations, we investigated the heat propagation processes in thermoelectric detection pixel of different designs. [22][23][24] In a previous study, 22 we proposed the design of a SiO 2 ∕W∕CeB 6 ∕W four-layer detection pixel. It is justified that the detector with such a detection pixel can provide for the system efficiency above 90% for photons with energy 0.8-4 eV.…”

Section: Introductionmentioning

confidence: 99%

“…The design of the detection pixel consisting of a high-temperature superconductor heat sink and absorber (Bi-2223), thermoelectric sensor (CeB 6 ), with and without antireflection layer (SiO 2 ) located on a sapphire substrate is also studied. 24 The processes of heat propagation in this detection pixel after absorption of photons with an energy of 0.8 eV-1 keV have been studied. Reducing the area of the detection pixel and eliminating the antireflection layer increases the SNR by an order of magnitude, but the SNR values remain too small, which rules out the possibility of creating TSPD with such detection pixels for detecting UV photons.…”

Section: Introductionmentioning

confidence: 99%

Nanoscale thermoelectric detection pixel for single-photon detection from far ultraviolet to near infrared

Kuzanyan,

Nikoghosyan,

Kuzanyan

2024

Opt. Eng.

View full text Add to dashboard Cite

Thermoelectric single-photon detection pixel suitable for use in large arrays

Kuzanyan,

Nikoghosyan,

Kuzanyan

2024

Optical Sensing and Detection VIII

View full text Add to dashboard Cite

In this study, we present the results of computer simulations of heat propagation and noise determination in a micron-sized three-layer thermoelectric detection pixel. The investigation included the absorption of single photons with energies ranging from 0.8 to 7.1 eV in absorbers of varying thicknesses to ensure high absorption efficiency. We examined temporal temperature dependencies in various regions of the detection pixel and evaluated the gradient of the average temperature on the sensor boundaries. The analysis also involved determination of the signal power resulting from photon absorption, the equivalent noise power, and the signal-to-noise ratio. The findings demonstrated that a detection pixel equipped with either a W or Mo absorber, a Mo heat sink, with surface dimensions of 1 μm × 1 μm, and nanometer-scale layer thicknesses, can reliably detect single photons with energies ranging from 1.65 eV to 7.1 eV. The advantages of thermoelectric detection pixel are a very simple design and absence of stringent requirements on the operating temperature. These characteristics open up broad prospects for their use in large arrays.

show abstract

Signal-to-Noise Ratio of the Thermoelectric Single-Photon Detector with CeB6 Sensor and Bi-2223 Absorber

Cited by 6 publications

References 38 publications

Ultraviolet thermoelectric single photon detector with high signal-to-noise ratio

Ultraviolet thermoelectric single photon detector with high signal-to-noise ratio

Nanoscale thermoelectric detection pixel for single-photon detection from far ultraviolet to near infrared

Thermoelectric single-photon detection pixel suitable for use in large arrays

Contact Info

Product

Resources

About