# IEEE Transactions on Terahertz Science and Technology

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• ### A 0.2–0.3 THz CMOS Amplifier With Tunable Neutralization Technique

Publication Year: 2015, Page(s):1088 - 1093
Cited by:  Papers (7)
| | PDF (1676 KB) | HTML

Recently, there are revolutionary achievements in silicon-based conventional terahertz (THz) and millimeter-wave (mm-wave) integrated circuits, particularly with the advancement of CMOS technology. However, unlike Radio Frequency Integrated Circuits (RFICs), innovative designs and lack of various circuit techniques still remain unknown in THz gap. In this paper, a multi-band THz amplifier is prese... View full abstract»

• ### Metallic 3-D Printed Antennas for Millimeter- and Submillimeter Wave Applications

Publication Year: 2016, Page(s):592 - 600
Cited by:  Papers (21)
| | PDF (2005 KB) | HTML

This paper presents a study to use the metallic three dimensional (3-D) printing technology for antenna implementations up to 325 GHz. Two different printing technologies and materials are used, namely binder jetting/sintering on 316L stainless steel and selective laser melting (SLM) on Cu-15Sn. Phases, microstructure, and surface roughness are investigated on different materials. Balancing betwee... View full abstract»

• ### A 340-GHz Heterodyne Receiver Front End in 40-nm CMOS for THz Biomedical Imaging Applications

Publication Year: 2016, Page(s):625 - 636
Cited by:  Papers (9)
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A low-power and high-performance 340-GHz heterodyne receiver front end (RFE) optimized for terahertz (THz) biomedical imaging applications is proposed in this paper. The THz RFE consists of an on-chip patch antenna, a single-balanced mixer, and a triple-push harmonic oscillator. The oscillator adopts a proposed harmonic oscillator architecture which can provide differential output by extracting ou... View full abstract»

• ### Application of Terahertz Pulse Time-Domain Holography for Phase Imaging

Publication Year: 2016, Page(s):464 - 472
Cited by:  Papers (16)
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Terahertz pulse time-domain holography (THz PTDH) is the powerful technique for high-resolution amplitude and phase THz imaging that allows mapping spectroscopic information across the imaged object. In this paper, we consider most sought after applications of phase imaging provided by this technique and experimentally demonstrate the ability of the method to reconstruct smooth and stepped relief ... View full abstract»

• ### Distance-Aware Bandwidth-Adaptive Resource Allocation for Wireless Systems in the Terahertz Band

Publication Year: 2016, Page(s):541 - 553
Cited by:  Papers (7)
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Terahertz (0.06-10 THz) band communication is envisioned as a key technology to satisfy the increasing demand for ultrahigh-speed wireless links. In this paper, a distance-aware bandwidth-adaptive resource allocation scheme is developed for THz band communication networks, which has the objective to improve the distance. The proposed scheme captures the unique channel peculiarities including the r... View full abstract»

• ### High-Selectivity Bandpass Frequency-Selective Surface in Terahertz Band

Publication Year: 2016, Page(s):284 - 291
Cited by:  Papers (10)
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A terahertz (THz) bandpass frequency-selective surface (FSS) with high selectivity is proposed in this work. The three-layered FSS filter consists of identical tripole resonators located on the top and bottom layers and rectangular coupling apertures etched on a conducting plane in between. Multiple signal paths exist between the top and bottom resonators through the coupling apertures. Therefore,... View full abstract»

• ### Present and Future of Terahertz Communications

Publication Year: 2011, Page(s):256 - 263
Cited by:  Papers (371)
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Recent changes in how people consume multimedia services are causing an explosive increase in mobile traffic. With more and more people using wireless networks, the demand for the ultra-fast wireless communications systems is increasing. To date, this demand has been accommodated with advanced modulation schemes and signal-processing technologies at microwave frequencies. However, without increasi... View full abstract»

• ### THz Beam Shaping Based on Paper Diffractive Optics

Publication Year: 2016, Page(s):568 - 575
Cited by:  Papers (4)
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Fast and intensive development of terahertz (THz) technology requires designing dedicated optical elements. Here, we generated complicated THz field distribution thanks to simple binary diffractive optical elements (DOEs) made from paper. The paper fabricated structures are lightweight, inexpensive, feasible for fast-prototyping purposes and they have high transparency in the THz range. Structures... View full abstract»

• ### Loss and Dispersion Limitations in mm-Wave Dielectric Waveguides for High-Speed Links

Publication Year: 2016, Page(s):637 - 640
Cited by:  Papers (3)
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We investigate the fundamental physical constraints and tradeoffs in common millimeter-wave dielectric waveguides proposed for high speed links. We consider waveguides with different geometries, dimensions and operating frequencies, and show that the capacity of optimized longer links is limited by the dispersion and not necessarily the loss. In our analysis, the required capacity and distance det... View full abstract»

• ### Low-Loss and Low-Dispersion Transmission Line Over DC-to-THz Spectrum

Publication Year: 2016, Page(s):611 - 618
Cited by:  Papers (10)
| | PDF (504 KB) | HTML

Transmission lines or waveguides are the most fundamental building blocks of all electronic and photonic circuits and systems. Efforts have been made to incrementally evolve and improve existing transmission line structures to meet the increasingly stringent demands for signal transmission bandwidth and performance. However, a potentially revolutionary scheme or disruptive concept is required in s... View full abstract»

• ### THz Imaging Radar for Standoff Personnel Screening

Publication Year: 2011, Page(s):169 - 182
Cited by:  Papers (280)  |  Patents (3)
| | PDF (2096 KB) | HTML

A summary of the NASA Jet Propulsion Laboratory's 675 GHz imaging radar is presented, with an emphasis on several key design aspects that enable fast, reliable through-clothes imaging of person-borne concealed objects. Using the frequency-modulated continuous-wave (FMCW) radar technique with a nearly 30 GHz bandwidth, sub-centimeter range resolution is achieved. To optimize the radar's range resol... View full abstract»

• ### Millimeter Wave Imaging of Cracks in Bulk Coal

Publication Year: 2016, Page(s):554 - 562
Cited by:  Papers (1)
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Millimeter wave (mmW) propagation parameters including transmission, attenuation, and reflection coefficients of coal were obtained experimentally in the frequency region of W-band (75-110 GHz). In addition, a raster scanning mmW imaging system including reflection and transmission modalities was developed, which forms images according to the difference between the dielectric parameters of cracks ... View full abstract»

• ### A 700-GHz MEMS Waveguide Switch

Publication Year: 2016, Page(s):641 - 643
Cited by:  Papers (4)
| | PDF (1880 KB) | HTML

A low-loss microelectromechanical systems (MEMS) waveguide reflect switch is demonstrated operating across the WM-380 (WR-1.5) waveguide band. The design uses a large deflection MEMS actuator to mechanically obstruct a reduced height waveguide to create the switch. The MEMS device exhibits 3 dB of insertion loss across the band in the open state, over 20 dB of isolation when closed, and better tha... View full abstract»

• ### Terahertz Metamaterial Devices Based on Graphene Nanostructures

Publication Year: 2013, Page(s):748 - 756
Cited by:  Papers (35)
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We propose here the concept and practical design of THz metamaterial devices consisting of subwavelength graphene nanostructures placed on a dielectric substrate and backed by a metal gate. This geometry allows us to introduce the design of a THz metaferrite screen with effective permeability that can be tuned from positive to negative, as a function of graphene's Fermi energy. We then discuss its... View full abstract»

• ### Design of a Reconfigurable MIMO System for THz Communications Based on Graphene Antennas

Publication Year: 2014, Page(s):609 - 617
Cited by:  Papers (29)
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Based on the properties of graphene nano-patch antennas, we propose a reconfigurable multiple-input multiple-output (MIMO) antenna system for Terahertz (THz) communications. First, the characteristics of the graphene are analyzed and a beam reconfigurable antenna is designed. The beamwidth and direction can be controlled by the states of each graphene patch in the antenna. Then the path loss and r... View full abstract»

• ### High-Sensitivity and Broadband, Real-Time Terahertz Camera Incorporating a Micro-Bolometer Array With Resonant Cavity Structure

Publication Year: 2016, Page(s):175 - 182
Cited by:  Papers (7)  |  Patents (1)
| | PDF (1615 KB) | HTML

Terahertz (THz) cameras comprising an uncooled micro-bolometer array have been developed for simple THz imaging, and the improvement of their sensitivity is one of the important issues. We fabricated a new micro-bolometer array with a resonant cavity structure for a real-time THz camera, alongside a new method for evaluating the sensitivity across a wide range of the THz frequency region. The freq... View full abstract»

• ### Ultrafast Terahertz Wireless Communications Technologies

Publication Year: 2015, Page(s):1128 - 1132
Cited by:  Papers (2)
| | PDF (677 KB)

Terahertz wireless communications technologies are attracting a great deal of attention because of their potential to considerably surpass 10 Gb/s. In recent years, progress in semiconductor integrated circuits has enabled indoor transmission experiments of 100-Gb/s-grade terahertz wireless links and outdoor transmission experiment over distances of more than 1 km. In this paper, trends in the res... View full abstract»

• ### The Fano Resonance in Symmetry Broken Terahertz Metamaterials

Publication Year: 2013, Page(s):820 - 826
Cited by:  Papers (51)
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The spectral characteristic of a Fano resonance is a distinct and unique asymmetric line shape. It arises from the destructive interference between a bright continuum mode and a discrete dark mode. Metamaterials and plasmonics have facilitated the observation of Fano resonances in the realm of classical electrodynamics and have spurred intense interest to study and to exploit their peculiarities d... View full abstract»

• ### A Tunable 240–290 GHz Waveguide Enclosed 2-D Grid HBV Frequency Tripler

Publication Year: 2016, Page(s):503 - 509
Cited by:  Papers (5)
| | PDF (908 KB) | HTML

This paper presents a high-power 240-290 GHz waveguide enclosed two-dimensional (2-D) grid heterostructure barrier varactor (HBV) frequency multiplier. A 35 mW of output power is produced at 247 GHz with an input power of 900 mW. The operational bandwidth is tunable within a 50 GHz span by the use of an input tuner able to adjust the input matching of the 2-D grid HBV frequency multiplier. Tuning ... View full abstract»

• ### Ultrasensitive Detection of Residual Pesticides Using THz Near-Field Enhancement

Publication Year: 2016, Page(s):389 - 395
Cited by:  Papers (9)
| | PDF (1177 KB) | HTML

We present a novel type of highly sensitive and selective detection method for residual pesticide molecules including, e.g., methomyl using nanoscale metamaterials based terahertz (THz) time-domain spectroscopy (TDS) system. Nanoscale slot-antenna-based metamaterials were designed for the strong THz resonance at a certain frequency, where the specific molecule has intramolecular or intermolecular ... View full abstract»

• ### Chip-Based Near-Field Terahertz Microscopy

Publication Year: 2016, Page(s):356 - 364
Cited by:  Papers (1)
| | PDF (748 KB) | HTML

Near-field terahertz (THz) imaging is vital to investigations in subwavelength regions down to the micro/nanometer scale. This technology is particularly useful for examining objects, such as nanomaterials, polymers, cells, and biomolecules. The first part of this paper briefly explains two types of near-field THz imaging technologies: aperture type and apertureless type. The second part explains ... View full abstract»

• ### Submillimeter-Wave 3.3-bit RF MEMS Phase Shifter Integrated in Micromachined Waveguide

Publication Year: 2016, Page(s):706 - 715
Cited by:  Papers (14)
| | PDF (4168 KB) | HTML

This paper presents a submillimeter-wave 500–550-GHz MEMS-reconfigurable phase shifter, which is based on loading a micromachined rectangular waveguide with 9 E-plane stubs. The phase shifter uses MEMS-reconfigurable surfaces to individually block/unblock the E-plane stubs from the micromachined waveguide. Each MEMS-reconfigurable surface is designed so that in the nonblocking state, it allows the... View full abstract»

• ### Sinusoidally Modulated Graphene Leaky-Wave Antenna for Electronic Beamscanning at THz

Publication Year: 2014, Page(s):116 - 122
Cited by:  Papers (95)
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This paper proposes the concept, analysis and design of a sinusoidally modulated graphene leaky-wave antenna with beam scanning capabilities at a fixed frequency. The antenna operates at terahertz frequencies and is composed of a graphene sheet transferred onto a back-metallized substrate and a set of polysilicon DC gating pads located beneath it. In order to create a leaky-mode, the graphene surf... View full abstract»

• ### Compact Broadband Terahertz Perfect Absorber Based on Multi-Interference and Diffraction Effects

Publication Year: 2016, Page(s):40 - 44
Cited by:  Papers (8)
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High absorption over a wide frequency band has attracted considerable interest due to its potential applications in imaging and anti-radar cloaking devices. In order to make these devices more integrated, the thickness of the absorber is crucial. In this paper, a compact, polarization-independent, broadband, omnidirectional terahertz (THz) absorber is proposed, fabricated, and evaluated. This THz ... View full abstract»

• ### Near-Field Spectroscopy and Imaging of Subwavelength Plasmonic Terahertz Resonators

Publication Year: 2016, Page(s):382 - 388
Cited by:  Papers (14)
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We present the temporal evolution of the terahertz (THz) field leading to the excitation of plasmonic resonances in carbon microfibers. The field evolution is mapped in space and time for the 3/2 wavelength resonance using a subwavelength aperture THz near-field probe with an embedded THz photoconductive detector. The excitation of surface waves at the fiber tips leads to the formation of a standi... View full abstract»

• ### Tri-Band, Polarization-Independent Reflectarray at Terahertz Frequencies: Design, Fabrication, and Measurement

Publication Year: 2016, Page(s):268 - 277
Cited by:  Papers (11)
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In this paper, two THz reflectarray surfaces have been designed and fabricated in order to deflect a plane wave with any polarization and with a specific incident angle to three different specific directions each at distinct three frequencies of 0.7, 1.0 and 1.5 THz. The surface is composed of an array of 100 ×100 cells, each comprised of gold crosses and parasitic dipoles printed on thin grounded... View full abstract»

• ### Influence of Particle Size on Optical Constants From Pellets Measured With Terahertz Pulsed Spectroscopy

Publication Year: 2016, Page(s):408 - 413
Cited by:  Papers (2)
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Particle size is shown to influence both the overall value and the measurement precision of the refractive index and absorption coefficient of a sample diluted with high density polyethylene (HDPE) powder and compressed in a pellet. However, excessive grinding of a sample before it is mixed with HDPE powder can result in the formation of large particle clusters. These aggregates can induce interna... View full abstract»

• ### Study of Terahertz Superresolution Imaging Scheme With Real-Time Capability Based on Frequency Scanning Antenna

Publication Year: 2016, Page(s):451 - 463
Cited by:  Papers (8)
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In this paper, a terahertz (THz) imaging scheme with real-time capability is proposed based on frequency- controlled beam scanning. The scheme holds a concise system architecture comprising a frequency scanning reflector antenna (FSRA) as the transmitting antenna, an omnidirectional antenna as the receiving antenna, and a vector network analyzer as the transceiver. By employing the diffraction enh... View full abstract»

• ### Terahertz Spectroscopy of Candidate Oxides in MIM Diodes for Terahertz Detection

Publication Year: 2016, Page(s):414 - 419
Cited by:  Papers (6)
| | PDF (993 KB) | HTML

We report the utilization of terahertz time-domain spectroscopy (THz-TDS) to measure the complex dielectric function of NiO, ZnO, Ta<sub>2</sub>O<sub>5</sub>, and Nb<sub>2</sub>O<sub>5</sub>. These oxides were chosen for their efficacy as the tunneling insulator layer in a metal-insulator-metal (MIM) diode rectifier coupled to an antenna designed for... View full abstract»

• ### Narrow-Linewidth and High-Transmission Terahertz Bandpass Filtering by Metallic Gratings

Publication Year: 2015, Page(s):131 - 136
Cited by:  Papers (3)
| | PDF (1075 KB) | HTML

Accurate spectral resolving capability is important to THz spectroscopy. So far, the THz passband filters based on metamaterial and surface plasmon suffer from the broad passband. In this paper, we propose a THz filter with calculated pass band of (Δf/f) <; 0.2% together with a peak transmission above 70% and demonstrate the experimental results with (Δf/f) <; 0.3% limited by the measurement... View full abstract»

• ### Terahertz Photonic Crystal Waveguides Based on Sapphire Shaped Crystals

Publication Year: 2016, Page(s):576 - 582
Cited by:  Papers (17)
| | PDF (902 KB) | HTML

In this paper, an ability for highly efficient terahertz (THz) waveguiding in multichannel sapphire shaped crystals is demonstrated. The edge-defined film-fed growth (EFG) technique (or Stepanov technique) of shaped crystal growth has been implemented to manufacture the THz photonic crystalline (PC) waveguide. The PC waveguide has been characterized using both numerical simulations and experimenta... View full abstract»

• ### Development of the ALMA Band-3 and Band-6 Sideband-Separating SIS Mixers

Publication Year: 2014, Page(s):201 - 212
Cited by:  Papers (13)
| | PDF (2538 KB) | HTML

As the Atacama Large Millimeter/submillimeter Array (ALMA) nears completion, 73 dual-polarization receivers have been delivered for each of Bands 3 (84-116 GHz) and 6 (211-275 GHz). The receivers use sideband-separating superconducting Nb/Al-AlOx/Nb tunnel-junction (SIS) mixers, developed for ALMA to suppress atmospheric noise in the image band. The mixers were designed taking into account dynamic... View full abstract»

• ### Fabry–Pérot Cavities for the Terahertz Spectral Range Based on High-Reflectivity Multilayer Mirrors

Publication Year: 2016, Page(s):563 - 567
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We constructed Fabry-Pérot cavities using well-characterized broadband dielectric multilayer mirrors based on z-cut quartz with a clear aperture of 20 mm. Each quartz wafer thickness was measured with an error significantly less than 1%, which enabled the accurate simulation of the cavity mode frequency positions. Characterization methods in transmission geometry involved white-light interferometr... View full abstract»

• ### Second-Order Terahertz Bandpass Frequency Selective Surface With Miniaturized Elements

Publication Year: 2015, Page(s):761 - 769
Cited by:  Papers (29)
| | PDF (1789 KB) | HTML

In this paper, a second-order frequency selective surface (FSS) made of miniaturized elements is proposed and designed for terahertz applications. The FSS is composed of two layers of metallic arrays separated from each other by a polymer dielectric spacer. The unit cells on the front and back layers are smaller than λ0/5, where λ0is the free space wavelength. The operation p... View full abstract»

• ### Metamaterial-Inspired Bandpass Filters for Terahertz Surface Waves on Goubau Lines

Publication Year: 2013, Page(s):851 - 858
Cited by:  Papers (26)
| | PDF (1573 KB) | HTML

This paper is focused on the application of split ring resonators (SRRs) to the design of compact bandpass filters for terahertz surface waves on single-wire waveguides, the so-called planar Goubau lines (PGLs). Through equivalent circuit models, electromagnetic simulations, and experiments, it is shown that, while a pair of SRRs coupled to a PGL inhibits the propagation of surface waves along the... View full abstract»

• ### Measuring Gas Temperature in Highly Particle Laden Flow Using Terahertz Spectroscopy

Publication Year: 2016, Page(s):518 - 524
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We developed two methods to use terahertz (THz) spectroscopy to perform gas temperature measurement: using the area ratio of two H<sub>2</sub>O vapor absorbance peaks, and using the relative time delay of the THz signal, both of which change as a function of temperature. Both methods can be used in situations with high particle loading that would block traditional laser signals and deg... View full abstract»

• ### A Compact Filter-Bank Waveguide Spectrometer for Millimeter Wavelengths

Publication Year: 2015, Page(s):598 - 604
Cited by:  Papers (4)
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In this paper, we present the design and measurements of a 90 GHz prototype of a millimeter-wave channelizing spectrometer realized in rectangular waveguide for astronomical instrumentation. The device was fabricated using conventional high-precision metal machining, and the spectrometer can be tiled into a 2D array to fill the focal plane of a telescope. Measurements of the fabricated five-channe... View full abstract»

• ### Reconfigurable THz Filters Using Phase-Change Material and Integrated Heater

Publication Year: 2016, Page(s):583 - 591
Cited by:  Papers (5)
| | PDF (1129 KB) | HTML

We report the design, fabrication, and measurements of reconfigurable terahertz (THz) filters using vanadium dioxide (VO2) phase-change material (PCM), which undergoes a transition between an insulator and metal phase at 68 °C (~341 K). The filters are made of frequency selective surfaces (FSS) and heater are integrated for VO2 excitation. Two THz spatial filters are developed. A broadband on/off ... View full abstract»

• ### Silicon Integrated 280 GHz Imaging Chipset With 4$\times$4 SiGe Receiver Array and CMOS Source

Publication Year: 2015, Page(s):427 - 437
Cited by:  Papers (24)
| | PDF (2607 KB) | HTML

In this paper, we report an integrated silicon-based active imaging chipset with a detector array in 0.13 μm SiGe process and a CMOS-based source array operating in the 240-290 GHz range. The chipset operates at room-temperature with no external RF or optical sources, high-resistivity silicon lenses (HRSi) or waveguides or any custom fabrication options, such as high-resistivity substrates or subs... View full abstract»

• ### Local Enhancement of Terahertz Waves in Structured Metals

Publication Year: 2016, Page(s):371 - 381
Cited by:  Papers (1)
| | PDF (756 KB) | HTML

Strong enhancement of electromagnetic (EM) fields is at the core of optics research as higher EM intensity is essential in various nonlinear applications, and, particularly, in the field of terahertz (THz) optics where photon energy is relatively low. In this review, we discuss THz wave interaction with various types of structured metals that results in strong local enhancements of THz fields. Spe... View full abstract»

• ### Metamaterial-Based Terahertz Imaging

Publication Year: 2015, Page(s):892 - 901
Cited by:  Papers (13)
| | PDF (1635 KB) | HTML

This paper presents the design of an innovative, low-cost, uncooled, metamaterial-based terahertz (THz) focal plane array (FPA). A single pixel is composed of a resonant metamaterial absorber and micro-bolometer sensor integrated in a standard 180 nm CMOS process. The metamaterial is made directly in the metallic and insulating layers available in the six metal layer CMOS foundry process. THz abso... View full abstract»

• ### Terahertz Channel Characterization Inside the Human Skin for Nano-Scale Body-Centric Networks

Publication Year: 2016, Page(s):427 - 434
Cited by:  Papers (18)
| | PDF (1265 KB) | HTML

This paper focuses on the development of a novel radio channel model inside the human skin at the terahertz range, which will enable the interaction among potential nano-machines operating in the inter cellular areas of the human skin. Thorough studies are performed on the attenuation of electromagnetic waves inside the human skin, while taking into account the frequency of operation, distance bet... View full abstract»

• ### An Overview of Solid-State Integrated Circuit Amplifiers in the Submillimeter-Wave and THz Regime

Publication Year: 2011, Page(s):9 - 24
Cited by:  Papers (142)  |  Patents (1)
| | PDF (3782 KB) | HTML

We present an overview of solid-state integrated circuit amplifiers approaching terahertz frequencies based on the latest device technologies which have emerged in the past several years. Highlights include the best reported data from heterojunction bipolar transistor (HBT) circuits, high electron mobility transistor (HEMT) circuits, and metamorphic HEMT (mHEMT) amplifier circuits. We discuss pack... View full abstract»

• ### Micromachined Thick Mesh Filters for Millimeter-Wave and Terahertz Applications

Publication Year: 2014, Page(s):247 - 253
Cited by:  Papers (19)
| | PDF (1106 KB) | HTML

This paper presents several freestanding bandpass mesh filters fabricated using an SU-8-based micromachining technique. The important geometric feature of the filters, which SU8 is able to increase, is the thickness of the cross-shaped micromachined slots. This is five times its width. This thickness offers an extra degree of control over the resonance characteristics. The large thickness not only... View full abstract»

• ### State-of-the-Art Database of Terahertz Spectroscopy Based on Modern Web Technology

Publication Year: 2014, Page(s):110 - 115
Cited by:  Papers (6)
| | PDF (1147 KB) | HTML

We present a review of a pioneering database on terahertz spectroscopy established by the National Institute of Information and Communication Technology and RIKEN. The database is universally available on the World Wide Web via the Internet since 2008 and was recently restructured on the basis of contemporary HTML5 technology. Flexibility and convenience to browse spectroscopic data are much impro... View full abstract»

• ### 340 GHz On-Chip 3-D Antenna With 10 dBi Gain and 80% Radiation Efficiency

Publication Year: 2015, Page(s):619 - 627
Cited by:  Papers (20)
| | PDF (2307 KB) | HTML

This paper discusses the design methodologies of a 340 GHz on-chip 3-D antenna. Firstly, a high-gain and high-radiation efficiency substrate integrated waveguide (SIW) cavity backed on-chip antenna is designed using a standard 0.13- μm SiGe BiCMOS technology. Then, a low-permittivity supporter and a dielectric resonator (DR) are vertically stacked on the proposed on-chip antenna, forming a 3-D Yag... View full abstract»

• ### Terahertz Light-Field Imaging

Publication Year: 2016, Page(s):649 - 657
Cited by:  Papers (4)
| | PDF (1330 KB) | HTML

Light-field imaging is a highly versatile computational method that has been traditionally limited to the visible frequency range of the electromagnetic spectrum. This paper presents an implementation of the light-field technique in terahertz (THz) radiation for the first time. A silicon hyper-hemispherical lens-integrated 32 × 32 pixel CMOS camera was used as the THz light-field sampler and it wa... View full abstract»

• ### Electrically and Magnetically Biased Graphene-Based Cylindrical Waveguides: Analysis and Applications as Reconfigurable Antennas

Publication Year: 2015, Page(s):951 - 960
Cited by:  Papers (28)
| | PDF (2361 KB) | HTML

The propagation of surface waves along electrically and magnetically biased graphene-based cylindrical waveguides (GCWs) is investigated in detail. Analytical dispersion equations are derived for several GCW geometries, considering the presence of an inner metallic core and multiple (coaxial-like) graphene layers. The proposed formulation reveals a fundamental connection between surface plasmons f... View full abstract»

• ### High-Power Terahertz Generation Using Large-Area Plasmonic Photoconductive Emitters

Publication Year: 2015, Page(s):223 - 229
Cited by:  Papers (73)
| | PDF (1175 KB) | HTML

In this paper, we present a novel design of large-area photoconductive emitters which incorporates plasmonic contact electrodes to offer significantly higher optical-to-terahertz conversion efficiencies compared with conventional designs. Use of plasmonic contact electrodes enables a more efficient separation and acceleration of photocarriers, enhancing the effective dipole moment induced within t... View full abstract»

• ### A 675 GHz Differential Oscillator Based on a Resonant Tunneling Diode

Publication Year: 2016, Page(s):510 - 512
Cited by:  Papers (5)
| | PDF (330 KB) | HTML

This letter presents a resonant tunneling diode (RTD)-based differential oscillator topology which can enhance output power coupling for THz applications. In order to combine the differential output signals of the RTD differential oscillator, an on-chip dipole antenna is integrated into the InP-based RTD monolithic microwave integrated circuit technology. The fabricated RTD differential oscillator... View full abstract»

## Aims & Scope

IEEE Transactions on Terahertz Science and Technology focuses on original research on Terahertz theory, techniques, and applications as they relate to components, devices, circuits, and systems involving the generation, transmission, and detection of Terahertz waves.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Jan Stake
Chalmers University of Technology
Terahertz and Millimetre Wave Laboratory
Sweden