Works (54)

Updated: July 5th, 2023 15:44

2023 journal article

Maximum gain enhancement in wireless power transfer using anisotropic metamaterials

SCIENTIFIC REPORTS, 13(1).

By: W. Harris n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: June 26, 2023

2020 journal article

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

IEEE MICROWAVE MAGAZINE, 21(7), 10โ€“22.

By: D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Quadrature amplitude modulation; Radio communication; Dipole antennas; Power transmission; Design methodology; RF signals; Receivers; Radio frequency
Source: Web Of Science
Added: July 13, 2020

2020 journal article

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

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 68(8), 3408โ€“3417.

By: J. Shen n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Dual-polarized antenna; orthomode transducer (OMT); 3-D printing; turnstile junction; W-band; waveguide
Source: Web Of Science
Added: August 24, 2020

2020 journal article

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

IEEE MICROWAVE MAGAZINE, 21(5), 136โ€“145.

By: M. Dwye n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Impedance; Frequency measurement; Voltage-controlled oscillators; Noise measurement; Radar measurements; Power amplifiers
Source: Web Of Science
Added: April 27, 2020

2019 journal article

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

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 67(3), 883โ€“895.

By: J. Shen n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Digital light processing (DLP); magic tee; matching; metallization; millimeter wave; 3-D printing; W-band; waveguide
Source: Web Of Science
Added: March 25, 2019

2019 journal article

Electrical Solitons for Microwave Systems

IEEE MICROWAVE MAGAZINE, 20(4), 123โ€“134.

By: D. Ricketts n, E. Shiโ€‰*, X. Li, N. Sunโ€‰*, O. Yildirim* & D. Hamโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: March 25, 2019

2019 journal article

Improved wireless power transfer efficiency with non-perfect lenses

APPLIED PHYSICS LETTERS, 114(14).

By: W. Harris n, D. Stancil nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: W. Harris n, D. Stancil nโ€‰ & D. Ricketts n

Sources: Web Of Science, ORCID
Added: April 29, 2019

2018 journal article

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), 532โ€“536.

By: D. Lalโ€‰ n, A. Aliโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: 28nm CMOS; 90nm SiGe BiCMOS; ADC; HD3; mmWave; sample and hold amplifier; sampler; SFDR; SHA; switched-capacitor
Source: Web Of Science
Added: August 6, 2018

2018 journal article

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

INTERNATIONAL JOURNAL OF ELECTRONICS, 105(1), 1โ€“11.

By: W. Tai*, M. Abbasi n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Power amplifier; mm-waves; integrated circuits; silicon; non-linear circuits
Source: Web Of Science
Added: August 6, 2018

2017 conference paper

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

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

By: D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2017 conference paper

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

2017 ieee mtt-s international microwave symposium (ims), 41โ€“44.

By: J. Shen n, M. Aiken n, M. Abbasi n, D. Parekh n, X. Zhaoโ€‰ n, M. Dickey nโ€‰, D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2017 journal article

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

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 64(1), 91โ€“103.

By: M. Chabalkoโ€‰*, J. Besnoff nโ€‰, M. Laifenfeld* & D. Ricketts n

co-author countries: Israel ๐Ÿ‡ฎ๐Ÿ‡ฑ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Inductive resonant coupled wireless power transfer (RWPT); magnetoquasistatic RWPT; wireless power transfer (WPT)
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

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

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 15, 654โ€“657.

By: J. Besnoff nโ€‰, M. Chabalkoโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Coil arrays; electromagnetic fields; magnetoquasistatics; metamaterials; wireless power
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 conference paper

A Versatile mm-wave micromachined anti-reflective layer

2016 asia-pacific microwave conference (apmc2016).

By: W. Harris n, T. Nicholst, M. Abbasi n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

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

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, 58(2), 423โ€“426.

By: M. Abbasi n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: G-band<bold>; </bold> balanced frequency doubler<bold>; </bold> 45 nm SOI CMOS<bold>; </bold> marchand balun
Source: Web Of Science
Added: August 6, 2018

2016 conference paper

A simple electroless plating solution for 3D printed microwave components

2016 asia-pacific microwave conference (apmc2016).

By: J. Shen n, M. Aiken n, C. Ladd n, M. Dickey nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

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

IEEE Transactions on Microwave Theory and Techniques, 64(2), 401โ€“413.

By: J. Besnoff, M. Abbasi & D. Ricketts

Source: NC State University Libraries
Added: August 6, 2018

2016 journal article

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

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 15, 452โ€“455.

By: M. Chabalkoโ€‰*, J. Besnoff nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Magnetic resonance; metamaterials; wireless energy transfer; wireless power transfer
Sources: Web Of Science, ORCID
Added: August 6, 2018

2016 journal article

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

MICRO & NANO LETTERS, 11(1), 4โ€“8.

By: M. Karagozler*, S. Goldsteinโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2016 conference paper

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

2016 asia-pacific microwave conference (apmc2016).

By: M. Abbasi n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2016 conference paper

mm-wave and THz multipliers: Advances and opportunities

2016 asia-pacific microwave conference (apmc2016).

By: M. Abbasi n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

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

ELECTRONICS LETTERS, 51(18).

By: M. Abbasi n & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: silicon-on-insulator; frequency multipliers; CMOS analogue integrated circuits; submillimetre wave integrated circuits; frequency quadrupler; silicon on insulator CMOS technology; SOI CMOS; submillimetre-wave communications; remote sensing; frequency 275 GHz to 285 GHz; size 45 nm; size 0; 21 mm; current 85 mA; voltage 1; 1 V; Si
Source: Web Of Science
Added: August 6, 2018

2015 conference paper

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, 34โ€“36.

By: W. Tai & D. Ricketts

Source: NC State University Libraries
Added: August 6, 2018

2015 journal article

Erratum: โ€œExperimental demonstration of the equivalence of inductive and strongly coupled magnetic resonance wireless power transferโ€ [Appl. Phys. Lett. 102, 053904 (2013)]

Applied Physics Letters, 107(4), 049901.

By: D. Ricketts n, M. Chabalkoโ€‰* & A. Hillenius*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: December 11, 2020

2015 journal article

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

APPLIED PHYSICS LETTERS, 106(6).

By: M. Chabalkoโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2015 article

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

Applied Physics Letters, Vol. 107.

By: D. Ricketts, M. Chabalko & A. Hillenius

Source: NC State University Libraries
Added: August 6, 2018

2015 conference paper

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

2015 IEEE Wireless Power Transfer Conference (WPTC).

By: J. Besnoff nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

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

2015 IEEE International Conference on RFID (RFID), 151โ€“157.

By: J. Besnoff nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2015 conference paper

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

2015 European Microwave Conference (EuMC), 147โ€“150.

By: J. Besnoff nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

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), 166โ€“169.

By: W. Tai* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: power amplifier; millimeter-wave; CMOS; wideband
Source: Web Of Science
Added: August 6, 2018

2014 conference paper

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).

By: W. Tai* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 conference paper

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), 16โ€“18.

By: M. Chen*, L. Carleyโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

Calibrations for Millimeter-Wave Silicon Transistor Characterization

IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 62(3), 658โ€“668.

By: D. Williamsโ€‰*, P. Corson*, J. Sharmaโ€‰*, H. Krishnaswamyโ€‰*, W. Tai*, Z. George*, D. Ricketts*, P. Watson*, E. Dacquay*, S. Voinigescuโ€‰*

co-author countries: Canada ๐Ÿ‡จ๐Ÿ‡ฆ United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Calibration; measurement; millimeter wave; scattering parameters; silicon; transistor; vector network analyzer (VNA)
Source: Web Of Science
Added: August 6, 2018

2014 conference paper

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

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

By: M. Trotter*, J. Griffinโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

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), 332โ€“336.

By: O. Ozcan, W. Hu, M. Sitti, J. Bainโ€‰* & D. Ricketts*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: titanium; anodisation; atomic force microscopy; scanning tunnelling microscopy; tip current; normal force; titanium; dual-mode scanning probe microscopy; bottom-up nanofabrication method; atomic force microscopy; scanning tunnelling microscopy; electrochemical current; anodic oxidation; custom control system; Ti
Source: Web Of Science
Added: August 6, 2018

2014 conference paper

Low-frequency metamaterial permeability retrieval for near-field applications

2014 ieee antennas and propagation society international symposium (apsursi), 233โ€“234.

By: M. Chabalkoโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 conference paper

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

2014 ieee antennas and propagation society international symposium (apsursi), 645โ€“646.

By: M. Chabalkoโ€‰*, E. Alarcon, E. Bou & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 conference paper

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), 426โ€“427.

By: M. Chabalkoโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2014 journal article

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

IEEE ANTENNAS AND PROPAGATION MAGAZINE, 56(1), 160โ€“173.

By: D. Arumugam*, J. Griffinโ€‰*, D. Stancil nโ€‰ & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ

Contributors: D. Arumugam*, J. Griffinโ€‰*, D. Stancil nโ€‰ & D. Ricketts n

author keywords: Electromagnetic fields; magneto-quasistatics; radio position measurement; radio tracking
Sources: Web Of Science, ORCID
Added: August 6, 2018

2014 journal article

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

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 13, 341โ€“344.

By: D. Ricketts n, M. Chabalkoโ€‰* & A. Hillenius*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Electromagnetic fields; magneto quasi-statics; radio position measurement; radio tracking
Source: Web Of Science
Added: August 6, 2018

2013 journal article

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

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

By: W. Tai & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2013 journal article

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

MICRO & NANO LETTERS, 8(1), 43โ€“46.

By: W. Hu, J. Bain & D. Ricketts*

Source: Web Of Science
Added: August 6, 2018

2013 journal article

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), 542โ€“544.

By: J. Xuโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
author keywords: Amplifier; efficiency; impedance compression network (ICN); outphasing; rectifier
Source: Web Of Science
Added: August 6, 2018

2013 journal article

Erratum: โ€œExperimental demonstration of the equivalence of inductive and strongly coupled magnetic resonance wireless power transferโ€ [Appl. Phys. Lett. 102, 053904 (2013)]

Applied Physics Letters, 102(14), 149902.

By: D. Ricketts n, M. Chabalkoโ€‰* & A. Hillenius*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: December 11, 2020

2013 journal article

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

APPLIED PHYSICS LETTERS, 102(5).

By: D. Ricketts n, M. Chabalkoโ€‰* & A. Hillenius*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2013 journal article

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

ELECTRONICS LETTERS, 49(4), 274โ€“276.

By: C. Liโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2013 journal article

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

IEEE Antennas and Propagation Magazine, 55(1), 137โ€“146.

By: D. Arumugam, J. Griffin, D. Stancilโ€‰ & D. Ricketts

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

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

REVIEW OF SCIENTIFIC INSTRUMENTS, 84(5).

By: S. Tamaruโ€‰* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Web Of Science
Added: August 6, 2018

2013 conference paper

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

2013 ieee international symposium on circuits and systems (iscas), 2779โ€“2782.

By: D. Ricketts n & M. Chabalkoโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: NC State University Libraries
Added: August 6, 2018

2013 conference paper

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

2013 european microwave conference (eumc), 515โ€“518.

By: D. Ricketts, M. Chabalko & A. Hillenius

Source: NC State University Libraries
Added: August 6, 2018

2013 journal article

Passive orientation measurement using magnetoquasistatic fields and coupled magnetic resonances

Electronics Letters, 49(16), 999โ€“1001.

By: D. Arumugam* & D. Ricketts n

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Sources: Crossref, NC State University Libraries
Added: August 6, 2018

2012 journal article

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

Applied Physics Letters, 101(25), 252409.

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: August 28, 2020

2012 journal article

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

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

By: W. Huโ€‰*, J. Bainโ€‰* & D. Ricketts*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: August 28, 2020

2009 journal article

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

Applied Physics Letters, 95(13), 132510.

By: E. Evarts*, L. Caoโ€‰*, D. Ricketts*, N. Rizzo*, J. Bainโ€‰* & S. Majetichโ€‰*

co-author countries: United States of America ๐Ÿ‡บ๐Ÿ‡ธ
Source: Crossref
Added: August 28, 2020