Electronic circuit design typically begins with an assumption that the components are operating at ambient temperature. Monolithic Microwave Integrated Circuit (MMIC) design, in particular, violates this as the DC current fl owing through the ever-shrinking devices induces heating to two, three, or even four times greater temperature (in oC). Such a large departure from assumed room temperature...

With the assistance of a cyclic three-level artificial atom of a superconducting flux quantum circuit interacting with a two-mode superconducting transmission-line resonator, we study theoretically the degenerate microwave parametric down-conversion (PDC) in a circuit-QED system. By adiabatically eliminating the excited states of the three-level artificial atom, we obtain an effective microwave...

Microwave oscillator design generally represents a complex problem. Depending on the technical requirements of the oscillator, it is necessary to define the configuration of the oscillation system and transistor type, evaluate and measure smalland large-signal parameters of the transistor equivalent circuit and use an appropriate nonlinear simulator to calculate the oscillator electrical and sp...

The paper provides an overview on the state of the art and future trends in physics-based electron device modelling for the computer-aided design of monolithic microwave IC’s. After a review of the main physics-based approaches to microwave modelling, special emphasis is placed on innovative developments relevant to circuit-oriented device performance assessment, such as efficient physics-based...

A spatially distributed radio-frequency (RF) circuit, microwave, or millimeter-wave circuit does not have a global reference node as required in conventional nodal analysis. Instead, local reference nodes associated with ports are required. This paper adapts modified nodal analysis to accommodate spatially distributed circuits, allowing conventional harmonic balance and transient simulators to ...

In this Letter we design a metamaterial composed of discrete superconducting elements that implements a high-efficiency microwave photon detector. Our design consists of a microwave guide coupled to an array of metastable quantum circuits, whose internal states are irreversibly changed due to the absorption of photons. This proposal can be widely applied to different physical systems and can be...

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Microwaves have widespread use in classical communication technologies, from long-distance broadcasts to short-distance signals within a computer chip. Like all forms of light, microwaves, even those guided by the wires of an integrated circuit, consist of discrete photons. To enable quantum communication between distant parts of a quantum computer, the signals must also be quantum, consisting ...

Development of Millimeter Wave Integrated-Circuit Interferometric Sensors for Industrial Sensing Applications. (December 2004) Seoktae Kim, B.S., Inha University, S. Korea; M.S., Pohang University of Science and Technology, S. Korea Chair of Advisory Committee: Dr. Cam Nguyen New millimeter wave interferometric, multifunctional sensors have been studied for industrial sensing applications: disp...

Future smart systems for communication and RF-sensing will have to achieve autonomous and self-reconfigurable operations, for real-time and efficient selfoptimization of their performance. The needs for such reconfigurable systems are not only to overcome the design tradeoffs that current analogue components must endure, but also to realize new and more efficient systems with improved functiona...