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CMOS image sensor with micro-nano holes to improve NIR optical efficiency: micro-holes on top surface vs on bottom

Autor: Devine, E. Ponizovskaya, Ahamad, Ahasan, Mayet, Ahmed, Rawat, Amita, Elrefaie, Aly F, Yamada, Toshishige, Wang, Shih-Yuan, Islam, M Saif

We study the nano- and micro-structures that increase the optical efficiency of the CMOS image pixels in visible and infrared. We consider the difference between the micro-holes at the pixels' bottom and the top and the holes that are composed of sma

Externí odkaz: http://arxiv.org/abs/2305.02314

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Phase stochastic resonance in coherent QKD signal transmission with a crosstalk noise in multicore fiber

Autor: Ponizovskaya-Devine, E

The study considers the new effect of phase stochastic resonance in a linear system with multiple external signals that can influence quantum communication. The phase stochastic resonance was shown in a linear co-propagation of the quantum and multip

Externí odkaz: http://arxiv.org/abs/2208.08551

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Optimization of CMOS image sensors with single photon-trapping hole per pixel for enhanced sensitivity in near-infrared

Autor: Devine, E. Ponizovskaya, Ahamed, Ahasan, Mayet, Ahmed S., Ghandiparsi, Soroush, Bartolo-Perez, Cesar, McPhillips, Lisa, Elrefaie, Aly F., Yamada, Toshishige, Wang, Shih-Yuan, Islam, M Saif

The optimization of silicon photodiode-based CMOS sensors with backside-illumination for 300-1000 nm wavelength range was studied. It was demonstrated that a single hole on a photodiode increases the optical efficiency of the pixel in near-infrared w

Externí odkaz: http://arxiv.org/abs/2110.00206

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Mid-infrared photodetector based on 2D material metamaterial with negative index properties for a wide range of angles near vertical illumination

Autor: Devine, E. Ponizovskaya

We present the vertically illuminated Si compatible mid-infrared photodetectors based on graphene that forms negative-index metamaterial. The coupling into a 2D layer at the angles near normal to the surface is negligible without the help of a metama

Externí odkaz: http://arxiv.org/abs/2102.04357

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Single Microhole per Pixel in CMOS Image Sensor with Enhanced Optical Sensitivity in Near-Infrared

Autor: Devine, E. Ponizovskaya, Qarony, Wayesh, Ahamed, Ahasan, Mayet, Ahmed S, Ghandiparsi, Soroush, Bartolo-Perez, Cesar, Elrefaie, Aly F, Yamada, Toshishige, Wang, Shih-Yuan, Islam, M. Saif

Silicon photodiode based CMOS sensors with backside-illumination for 300 to 1000 nm wavelength range were studied. We showed that a single hole in the photodiode increases the optical efficiency of the pixel. In near-infrared wavelengths, the enhance

Externí odkaz: http://arxiv.org/abs/2011.10624

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Cavitation-induced ignition of cryogenic hydrogen-oxygen fluids

Autor: Osipov, V. V., Muratov, C. B., Ponizovskya-Devine, E., Foygel, M., Smelyanskiy, V. N.

The Challenger disaster and purposeful experiments with liquid hydrogen (H2) and oxygen (Ox) tanks demonstrated that cryogenic H2/Ox fluids always self-ignite in the process of their mixing. Here we propose a cavitation-induced self-ignition mechanis

Externí odkaz: http://arxiv.org/abs/1101.1564

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