David Ricketts

14dB Active Gain Magnetic Negative Permeability Metamaterial Cell with Self-coupling Compensation

2023 53RD EUROPEAN MICROWAVE CONFERENCE, EUMC, pp. 424–427.

Maximum gain enhancement in wireless power transfer using anisotropic metamaterials

SCIENTIFIC REPORTS, 13(1).

A Modern 16-QAM Digital Radio You Can Design and Build at Home [Application Notes]

IEEE MICROWAVE MAGAZINE, 21(7), 10–22.

Compact W-Band "Swan Neck" Turnstile Junction Orthomode Transducer Implemented by 3-D Printing

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 68(8), 3408–3417.

The North Carolina State University Rabbit Radar: Build a Frequency-Modulated Continuous-Wave Radar in a Day [Application Notes]

IEEE MICROWAVE MAGAZINE, 21(5), 136–145.

Additive Manufacturing of Complex Millimeter-Wave Waveguides Structures Using Digital Light Processing

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 67(3), 883–895.

Electrical Solitons for Microwave Systems

IEEE MICROWAVE MAGAZINE, 20(4), 123–134.

Improved wireless power transfer efficiency with non-perfect lenses

APPLIED PHYSICS LETTERS, 114(14).

Analysis and Comparison of High-Resolution GS/s Samplers in Advanced BiCMOS and CMOS

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 65(5), 532–536.

Analog limitations for high-speed digital radios: Where the bits stop working

2017 ieee 60th international midwest symposium on circuits and systems (mwscas), 37–40.

Analysis and design of high-power and efficient, millimeter-wave power amplifier systems using zero degree combiners

INTERNATIONAL JOURNAL OF ELECTRONICS, 105(1), 1–11.

Rapid prototyping of low loss 3D printed waveguides for millimeter-wave applications

2017 ieee mtt-s international microwave symposium (ims), 41–44.

A Versatile mm-wave micromachined anti-reflective layer

2016 asia-pacific microwave conference (apmc2016).

A simple electroless plating solution for 3D printed microwave components

2016 asia-pacific microwave conference (apmc2016).

High data-rate communication in near-field RFID and wireless power using higher order modulation

IEEE Transactions on Microwave Theory and Techniques, 64(2), 401–413.

Resonantly Coupled Wireless Power Transfer for Non-Stationary Loads With Application in Automotive Environments

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 64(1), 91–103.

W-band corrugated and non-corrugated conical horn antennas using stereolithography 3D-printing technology

2016 asia-pacific microwave conference (apmc2016).

mm-wave and THz multipliers: Advances and opportunities

2016 asia-pacific microwave conference (apmc2016).

275-285 GHz balanced frequency quadrupler chain in 45 nm SOI CMOS

ELECTRONICS LETTERS, 51(18).

A Frequency-Selective Zero-Permeability Metamaterial Shield for Reduction of Near-Field Electromagnetic Energy

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 15, 654–657.

A compact, high-gain Q-band stacked power amplifier in 45nm SOI CMOS with 19.2dBm P-sat and 19% PAE

Ieee topical conference on power amplifiers for wireless and radio, 34–36.

A high-power, broadband 245-285 GHz balanced frequency doubler in 45 nm SOI CMOS

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 58(2), 423–426.

Erratum: “Experimental demonstration of the equivalence of inductive and strongly coupled magnetic resonance wireless power transfer” [Appl. Phys. Lett. 102, 053904 (2013)]

Applied Physics Letters, 107(4), 049901.

Experimental characterization of Fabry-Perot resonances of magnetostatic volume waves in near-field metamaterials

APPLIED PHYSICS LETTERS, 106(6).

Experimental demonstration of the equivalence of inductive and strongly coupled magnetic resonance wireless power transfer (vol 102, 053904, 2013)

Applied Physics Letters, Vol. 107.

Magnetic Field Enhancement in Wireless Power With Metamaterials and Magnetic Resonant Couplers

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 15, 452–455.

Near field wireless power transfer and quadrature amplitude modulated (QAM) communication link

2015 IEEE Wireless Power Transfer Conference (WPTC).

Quadrature amplitude modulated (QAM) communication link for near and mid-range RFID systems

2015 IEEE International Conference on RFID (RFID), 151–157.

Scalable self-assembly process for the fabrication of sub-millimetre three-dimensional cylindrical tubes

MICRO & NANO LETTERS, 11(1), 4–8.

Wide bandwidth for high-speed communication in mid-range, resonant WPT and RFID systems

2015 European Microwave Conference (EuMC), 147–150.

A W-band 21.1 dBm power amplifier with an 8-way zero-degree combiner in 45 nm SOI CMOS

2014 ieee mtt-s international microwave symposium (ims).

A process-technology-scaling-tolerant pipelined ADC architecture achieving 6-bit and 4 GS/s ADC in 45nm CMOS

2014 IEEE 14th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems (SIRF), 16–18.

Calibrations for Millimeter-Wave Silicon Transistor Characterization

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 62(3), 658–668.

Enhanced accuracy for a complex image theory position estimator using frequency diversity

2014 ieee topical conference on wireless sensors and sensor networks (wisnet), 52–54.

Investigation of tip current and normal force measured simultaneously during local oxidation of titanium using dual-mode scanning probe microscopy

MICRO & NANO LETTERS, 9(5), 332–336.

Low-frequency metamaterial permeability retrieval for near-field applications

2014 ieee antennas and propagation society international symposium (apsursi), 233–234.

Optimization of WPT efficiency using a conjugate load in non-impedance matched systems

2014 ieee antennas and propagation society international symposium (apsursi), 645–646.

The effects of magneto-static resonances in metamaterials on the quality factor of coils in near field applications

2014 ieee antennas and propagation society international symposium (apsursi), 426–427.

Three-Dimensional Position and Orientation Measurements Using Magneto-Quasistatic Fields and Complex Image Theory

IEEE ANTENNAS AND PROPAGATION MAGAZINE, 56(1), 160–173.

Tri-Loop Impedance and Frequency Matching With High-Q Resonators in Wireless Power Transfer

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 13, 341–344.

74 GHz, 17.2 dBm power amplifier in 45 nm SOI CMOS

ELECTRONICS LETTERS, 49(12), 758-+.

A COMPACT, 36 TO 72 GHz 15.8 dBm POWER AMPLIFIER WITH 66.7% FRACTIONAL BANDWIDTH IN 45 nm SOI CMOS

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 56(1), 166–169.

An AFM/STM multi-mode nanofabrication approach allowing in situ surface modification and characterisation

MICRO & NANO LETTERS, 8(1), 43–46.

An Efficient, Watt-Level Microwave Rectifier Using an Impedance Compression Network (ICN) With Applications in Outphasing Energy Recovery Systems

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 23(10), 542–544.

Erratum: “Experimental demonstration of the equivalence of inductive and strongly coupled magnetic resonance wireless power transfer” [Appl. Phys. Lett. 102, 053904 (2013)]

Applied Physics Letters, 102(14), 149902.

Experimental demonstration of the equivalence of inductive and strongly coupled magnetic resonance wireless power transfer

APPLIED PHYSICS LETTERS, 102(5).

Loss minimisation in lambda/4 impedance transformers using multiple lambda/4 segments

ELECTRONICS LETTERS, 49(4), 274–276.

Magneto-quasistatic tracking of an American football: A goal-line measurement

IEEE Antennas and Propagation Magazine, 55(1), 137–146.

Measurement of ultra-low power oscillators using adaptive drift cancellation with applications to nano-magnetic spin torque oscillators

REVIEW OF SCIENTIFIC INSTRUMENTS, 84(5).

On the efficient wireless power transfer in resonant multi-receiver systems

2013 ieee international symposium on circuits and systems (iscas), 2779–2782.

Optimization of wireless power transfer for mobile receivers using automatic digital capacitance tuning

2013 european microwave conference (eumc), 515–518.

Passive orientation measurement using magnetoquasistatic fields and coupled magnetic resonances

Electronics Letters, 49(16), 999–1001.

Deviation from exponential decay for spin waves excited with a coplanar waveguide antenna

Applied Physics Letters, 101(25), 252409.

In situ quantification of electrical isolation in STM-fabricated TiOx nanostructures

Micro & Nano Letters, 7(4), 334.

Spin transfer torque switching of magnetic tunnel junctions using a conductive atomic force microscope

Applied Physics Letters, 95(13), 132510.