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A novel bipolar transistor structure, namely, a SiC emitter lateral NPM Schottky collector bipolar transistor (SCBT) with a silicon-on-insulator (SOI) substrate is explored using two-dimensional (2-D) simulation. A comprehensive comparison…

Mesoscale and Nanoscale Physics · Physics 2010-10-19 M. Jagadesh Kumar , D. V. Rao

A distinctive approach for forming a lateral Bipolar Charge Plasma Transistor (BCPT) is explored using 2-D simulations. Different metal work-function electrodes are used to induce n- and p-type charge plasma layers on undoped SOI to form…

Mesoscale and Nanoscale Physics · Physics 2012-03-27 M. Jagadesh Kumar , Kanika Nadda

In this paper, we report an alternative approach of implementing a Schottky collector bipolar transistor without doping the ultrathin SOI film. Using different metal work function electrodes, the electrons and holes are induced in an…

Mesoscale and Nanoscale Physics · Physics 2013-08-21 Kanika Nadda , M. Jagadesh Kumar

Energy-efficient sense amplifier (SA) circuits are essential for reliable detection of stored memory states in emerging memory systems. In this work, we present four novel sense amplifier (SA) topologies based on phase transition material…

We design and demonstrate selective injection GaN heterojunction bipolar transistors that utilize a patterned base for selective injection of electrons from the emitter. The design maneuvers minority carrier injection through a thin p-GaN…

Applied Physics · Physics 2024-08-27 Zhanbo Xia , Chandan Joishi , Shahadat H. Sohel , Andy Xie , Edward Beam , Yu Cao , Siddharth Rajan

We establish a new approach for pump-probe simulations of metallic metamaterials coupled to the gain materials. It is of vital importance to understand the mechanism of the coupling of metamaterials with the gain medium. Using a four-level…

Optics · Physics 2012-06-25 Zhixiang Huang , Thomas Koschny , Costas M. Soukoulis

Conventional silicon bipolars are not suitable for low-temperature operation due to the deterioration of current gain ($\beta$). In this paper, we characterize lateral bipolar junction transistors (LBJTs) fabricated on silicon-on-insulator…

Applied Physics · Physics 2023-09-19 Yuanke Zhang , Yuefeng Chen , Yifang Zhang , Jun Xu , Chao Luo , Guoping Guo

We show that the energy-transport efficiency in a chain of two-level emitters can be drastically enhanced by the presence of a photonic topological insulator (PTI). This is obtained by exploiting the peculiar properties of its nonreciprocal…

Quantum Physics · Physics 2017-11-16 Pierre Doyeux , S. Ali Hassani Gangaraj , George W. Hanson , Mauro Antezza

This letter proposes a new spoof surface plasmon transmission line (SSP-TL) using capacitor loading techniques. This new SSP-TL features flexible and reconfigurable dispersion control and highly selective filtering performance without…

Classical Physics · Physics 2017-01-17 Xiaolan Tang , Qingfeng Zhang , Sanming Hu , Abhishek Kandwal , Tongfeng Guo , Yifan Chen

We demonstrate graded AlGaN/GaN heterojunction bipolar transistors (HBTs) with selective injection of minority carriers across a p-GaN base and patterned regrown base contacts. The selective injection design regulates minority carrier…

Applied Physics · Physics 2023-09-19 Chandan Joishi , Sheikh Ifatur Rahman , Zhanbo Xia , Shahadat H. Sohel , Siddharth Rajan

A recently introduced Early modeling of transistors is applied to the study of the common collector amplifier (or emitter follower), an important type of electronic circuit typically employed as buffer, being characterized by near unit…

Applied Physics · Physics 2018-05-09 Luciano da F. Costa

We investigated surface plasmon polariton (SPP) propagation in a metal-semiconductor-metal structure where semiconductor is highly excited to have optical gain. We show that near the SPP resonance, the imaginary part of the propagation…

Optics · Physics 2015-05-13 D. B. Li , C. Z. Ning

The possibility of constructing a surface exciton polariton (SEP) based sensor at room temperature is explored. The proposed SEP sensor is based on the Kretschmann-Raether configuration of conventional surface plasmon resonance (SPR)…

Mesoscale and Nanoscale Physics · Physics 2019-08-21 Yi Xu , Lin Wu , L. K. Ang

Surface phonon-polaritons can carry energy on the surface of dielectric films and thus are expected to contribute to heat conduction. However, the contribution of surface phonon-polaritons (SPhPs) to thermal transport has not been…

Mesoscale and Nanoscale Physics · Physics 2019-08-06 Yunhui Wu , Jose Ordonez-Miranda , Sergei Gluchko , Roman Anufriev , Sebastian Volz , Masahiro Nomura

Transformer-based approaches have revolutionized image super-resolution by modeling long-range dependencies. However, the quadratic computational complexity of vanilla self-attention mechanisms poses significant challenges, often leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Dinh Phu Tran , Thao Do , Saad Wazir , Seongah Kim , Seon Kwon Kim , Daeyoung Kim

We demonstrate the optical absorption has been enhanced in the small molecule organic solar cells by employing trapezoid grating structure. The enhanced absorption is mainly attributed to both waveguide modes and surface plasmon modes,…

High Q-factor inductors are critical in designing high performance RF/microwave circuits on SOI technology. Substrate losses is a key limiting factor when designing inductors with high Q-factors. In this context, we report a substrate…

We present a study of transport in graphene devices on polar insulating substrates using a tight-binding model. The mobility is computed using a multiband Boltzmann treatment. We provide the scaling of the surface polar phonon contribution…

Mesoscale and Nanoscale Physics · Physics 2009-10-27 Vasili Perebeinos , Phaedon Avouris

A parabolic trough solar collector is a dominant technology for high-temperature industrial applications, but efficient use of a conventional surface-based parabolic trough solar collector (SBPTSC) is limited by its high radiation loss due…

Applied Physics · Physics 2019-06-04 Caiyan Qin , Joong Bae Kim , Bong Jae Lee

The unique property of bilayer graphene to show a band gap tunable by external electrical fields enables a variety of different device concepts with novel functionalities for electronic, optoelectronic and sensor applications. So far the…

Materials Science · Physics 2016-09-21 Bartholomaeus N. Szafranek , Daniel Schall , Martin Otto , Daniel Neumaier , Heinrich Kurz
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