The Single Electron Transistor holds the potential to be a suitable readout device for future solid-state quantum computers. The low temperature measurement results of a 0.5 μm …
K Das, T Lehmann - 2011 IEEE 54th International Midwest …, 2011 - ieeexplore.ieee.org
We present a cryogenic CMOS circuit with significant performance improvements compared to previously proposed single-shot Single Electron Transistor readout circuit. The new …
MT Rahman, T Lehmann - 2014 IEEE 57th International …, 2014 - ieeexplore.ieee.org
A 10 bit cryogenic current steering D/A converter (DAC), operating from room temperature to as low as 4.2 K temperature, is presented here. The converter is primarily designed for a …
MT Rahman, T Lehmann - 2012 IEEE 55th International …, 2012 - ieeexplore.ieee.org
A cryogenic CMOS D/A converter, core part of a Silicon quantum computer controller, produces voltage signals to generate electric fields for Silicon quantum bits initialization. In …
MT Rahman, T Lehmann - 2010 IEEE Asia Pacific Conference …, 2010 - ieeexplore.ieee.org
Silicon quantum bits (qubits), operated in deep cryogenic temperature (typically≤ 500mK), need rapid pulse generation circuits for quantum gate operations. We have designed a±1.5 …
K Das, T Lehmann - 2012 IEEE International Symposium on …, 2012 - ieeexplore.ieee.org
This paper revisits the design of a low power, fast CMOS Single Electron Transistor (SET) readout circuit which can operate at 4.2 K and successfully detect 200pA SET signal current …
" The VLSI technology has seamlessly grown over the years, that yields high-performance, low-power and high-density devices. Over the several decades, the performance of existing …
Firstly, in many cases the signal of interest is a tiny current variation, in the picoampere– nanoampere range, due to the small size and low tunnelling rates that define the current in …
K Das, T Lehmann - 2013 IEEE 56th International Midwest …, 2013 - ieeexplore.ieee.org
Unavailability of suitable simulation models poses a particularly difficult problem in the field of CMOS analog circuit design for deep cryogenic applications: the performance of the …