The THz domain extending approximately from 100 GHz to 10 THz can be considered as a link between electronics and photonics. Since the beginning of the 1990s this field was growing first with the development of time-domain spectroscopy and now is becoming more and more attractive with the emergence of new technologies: quantum cascade lasers, nano-transistors, photomixing, mixers, frequency multipliers and material systems like novel semiconductor heterostructures exploiting nitride, zinc oxide based heterostructures, 2D nanostructures and van der Walls layered heterostructures. These materials and devices have already found many applications in different systems exploiting unique properties of the THz region of the electromagnetic spectrum. The optical excitation and control of spins in magnetic materials and structures opens new prospects for merging of spin-based devices and ultrafast photonic processing whereas terahertz spectroscopy presents an ideal tool for the study of spin dynamics in magnetic materials. Furthermore, novel optical and photonic systems recently emerged to further extend the THz research field to the investigations of phenomena at the nanoscale. Among the new trends in the THz technology there also are tunable, compact THz gas lasers, THz optical components manufactured with 3d printing, chip-level THz signal generation, THz imaging with a single pixel camera etc.

The conference is intended to provide a forum for scientists, engineers, and researchers from a diverse set of disciplines who are interested in presenting their last achievements in this field. The scope of the conference includes sources and detectors of THz radiation, optical components, optical and photonic systems, near field microscopy as well as different applications exploiting this technology.

Papers are solicited in the following areas:

FUNDAMENTALS OF GENERATION, DETECTION, AND PROPAGATION OF THz WAVES
SOURCES OF THz AND FAR-INFRARED RADIATION
THz DETECTORS
THz COMMUNICATIONS
IMAGING
SPECTROSCOPY
ULTRAFAST SPINTRONICS
THz OPTICS
THz MICROSCOPY
BIOMEDICAL APPLICATIONS
NEW TRENDS IN THZ DEVICES
MATERIALS FOR THz DEVICES ;
In progress – view active session
Conference 12230

Terahertz Emitters, Receivers, and Applications XIII

21 - 22 August 2022 | Conv. Ctr. Room 16B
View Session ∨
  • 1: THz Detection and Imaging
  • 2: Sources of THz Radiation
  • 3: THz and Microwave Communications
  • Sunday Evening Plenary
  • 4: Spectroscopy and Biomedical Applications
  • 5: New Trends in THz Technology
  • Poster Session
Information

Timing will be finalized in early August


POST-DEADLINE ABSTRACT SUBMISSIONS DUE 5-July

Call for Papers Flyer
Session 1: THz Detection and Imaging
21 August 2022 • 9:30 AM - 11:50 AM PDT | Conv. Ctr. Room 16B
Session Chair: Darius H. Torchinsky, Temple Univ. (United States)
12230-1
Author(s): Spencer E. Ammerman, Vedran Jelic, Yajing Wei, Mohamed Hassan, Sheng Lee, Vivian N. Breslin, Nathan Everett, Michigan State Univ. (United States); Qiang Sun, Materials Genome Institute, Shanghai Univ. (China), EMPA (Switzerland); Carlo A. Pignedoli, Pascal Ruffieux, EMPA (Switzerland); Roman Fasel, EMPA (Switzerland), Univ. Bern (Switzerland); Tyler Cocker, Michigan State Univ. (United States)
21 August 2022 • 9:30 AM - 10:00 AM PDT | Conv. Ctr. Room 16B
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Terahertz scanning tunneling microscopy (THz-STM) is an emerging technique that provides simultaneous ultrafast temporal and Angstrom spatial resolution through lightwave control of an atomic tunnel junction. THz-STM can further accesses extreme tunneling regimes thanks to the low duty cycle and ultrafast duration of the THz bias. Here, we use low-temperature, ultrahigh vacuum THz-STM to explore the local density of electronic states in 7-atom-wide armchair graphene nanoribbons (7AGNRs) at tip heights that are inaccessible to conventional STM. Using a new procedure for THz scanning tunneling spectroscopy (THz-STS), we determine the differential conductance above the 7AGNR with atomic resolution in three dimensions.
12230-2
Author(s): Masayoshi Tonouchi, Osaka Univ. (Japan)
21 August 2022 • 10:00 AM - 10:30 AM PDT | Conv. Ctr. Room 16B
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Laser terahertz emission microscopy (LTEM) discusses the local photocarrier dynamics upon femtosecond (fs) laser illumination and, by scanning the laser on samples, visualizes such local photoresponse at a spatial resolution of the optical beam diameter. The emission properties are sensitive to various parameters such as surface potential, impurities, dielectric properties and defects of passivation films, and VISs. This talk reviews the LTEM application for Si electronics, by studying the emission and mapping of the HF-treated Si wafers, MOS, and TSVs, which has proven that one can use LTEM as a real-world application.
12230-3
Author(s): Lavi Tyagi, Indian Institute of Technology Bombay (India); Mahesh Kumar, National Physical Lab., Council of Scientific & Industrial Research (India); Nikita Vashistha, Council of Scientific & Industrial Research (India); Subhananda Chakrabarti, Indian Institute of Technology Bombay (India)
21 August 2022 • 10:30 AM - 10:50 AM PDT | Conv. Ctr. Room 16B
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Terahertz devices provide ample avenues for high-frequency information processing. Bulky THz detectors and generators are required to be synchronized with the presently established semiconductor industry. Settling terahertz native to GaAs and Silicon would enable on-chip high-frequency operations, THz imaging, THz Generation-Detection. This work demonstrates Rapid Thermal Annealing (RTA) based hole array in AuGe deposited thin film over GaAs substrate for terahertz detection mechanism. Ultrafast transient spectroscopic pumping around the wavelength matching the size of holes creates time-domain oscillations in the transient relaxation spectrum that lies in the THz frequency domain.
12230-4
Author(s): Maciej Sakowicz, Maksym Dub, Pavlo Sai, Dmitro B. But, Grzegorz Cywinski, CENTERA Labs., Institute of High Pressure Physics (Poland); Justinas Jorudas, Artur Šimukovic, Terahertz Photonics Lab., Ctr. for Physical Sciences and Technology (Lithuania); Pawel Prystawko, Institute of High Pressure Physics (Poland); Vitalij Kovalevskij, Terahertz Photonics Lab., Ctr. for Physical Sciences and Technology (Lithuania); Sergey Rumyantsev, CENTERA Labs., Institute of High Pressure Physics (Poland); Irmantas Kašalynas, Terahertz Photonics Lab., Ctr. for Physical Sciences and Technology (Lithuania); Wojciech Knap, CENTERA Labs., Institute of High Pressure Physics (Poland)
21 August 2022 • 10:50 AM - 11:20 AM PDT | Conv. Ctr. Room 16B
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We present investigations of the fin-shaped GaN/AlGaN field effect transistors with two lateral Schottky barrier gates exactly placed on the edges of the fin-shaped transistor channel. We call this kind of FinFET modification the EdgeFET. It allowed us to efficiently control the current flow in two-dimensional electron gas conduction channel. We present experimental data of sub-THz detection by EdgeFETs. Control of the side gates allows changing the width of two-dimensional electron gas and forming a wire, as we expect should be beneficial for observation of terahertz plasma wave resonances. This paves the way towards future terahertz optopair using high-quality factor plasma wave resonances, for which it is necessary to eliminate oblique modes. We report also on the high-voltage, noise, and radio frequency (RF) performances of aluminium gallium nitride/gallium nitride (AlGaN/GaN) on silicon carbide (SiC) devices without any GaN buffer. Such a GaN–SiC hybrid material was developed in order to improve thermal management and to reduce trapping effects should be beneficial for observation of resonant emission.
12230-5
Author(s): Hiroshi Ito, Kitasato Univ. (Japan); Tadao Ishibashi, NTT Electronics Techno Co., Ltd. (Japan)
21 August 2022 • 11:20 AM - 11:50 AM PDT | Conv. Ctr. Room 16B
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A hetero-barrier rectifier called a Fermi-level managed barrier (FMB) diode is an excellent device for low-noise THz-wave detection at zero-biased condition. In the direct detection mode, a fabricated FMB diode module achieved a very low noise-equivalent power (NEP) of 3e-12 W/Hz^0.5 at 300 GHz. In the heterodyne detection mode, an FMB diode module integrating a broadband trans-impedance amplifier demonstrated an excellent NEP of 3e-19 W/Hz for a very low local oscillator power of 3e-5 W at 300 GHz.
Session 2: Sources of THz Radiation
21 August 2022 • 2:00 PM - 3:20 PM PDT | Conv. Ctr. Room 16B
Session Chair: Frédéric Grillot, Télécom Paris (France)
12230-6
Author(s): Manijeh Razeghi, Northwestern Univ. (United States)
21 August 2022 • 2:00 PM - 2:40 PM PDT | Conv. Ctr. Room 16B
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Frequency combs, spectra of phase-coherent equidistant lines, have revolutionized time and frequency metrology. The recently developed quantum cascade laser (QCL) comb has exhibits great potential with high power and broadband spectrum. The giant nonlinearities originated from the intersubband quantum designs, including the second-order difference frequency generation and third-order four-wave mixing, not only facilitated the formation of frequency comb operation in the mid-infrared (mid-IR) spectral range, but could also down-convert it into the terahertz (THz) realm. In this talk, the recent progress of our research on RT, THZ quantum cascade laser and frequency comb, will be presented.
12230-8
Author(s): Chia-Wei Chang, Wang-Chien Chen, Institute of Electronics Engineering, National Tsing Hua Univ. (Taiwan); Shang-Hua Yang, National Tsing Hua Univ. (Taiwan)
21 August 2022 • 2:40 PM - 3:00 PM PDT | Conv. Ctr. Room 16B
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We experimentally demonstrate a GeSn THz LAE on Si substrate for broadband THz generation. Under bias-free operation, the GeSn THz source generates the pulsed THz electric field over 2 THz bandwidth. By applying bias voltage, the bandwidth and field strength of the radiated THz signal is further boosted. Due to its compatibility with CMOS processes and telecommunication infrastructures, GeSn THz LAE can pave the way toward THz system-on-chip for many on-site applications.
12230-19
Author(s): Marco Rahm, Dominik Sokoluk, Jan Kappa, Laura Scheuer, Technische Univ. Kaiserslautern (Germany); Evangelos Th. Papaioannou, Institut für Physik, Martin-Luther-Univ. Halle-Wittenberg (Germany)
21 August 2022 • 3:00 PM - 3:20 PM PDT | Conv. Ctr. Room 16B
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We analytically and experimentally investigate the radiated terahertz fields from a stack of two spintronic Fe/Pt terahertz emitters that are aligned back to back with the Pt-surfaces facing each other. We experimentally and theoretically study the dependence of the emitted terahertz fields from the stack on the relative orientation of the individual emitters. For collinear alignment in the same direction, we determined an increase of the maximal emission amplitude by a factor of 1.57 in comparison with a single emitter. We also evaluated the cavity effects that originate from the air gap between the individual emitters in theory and experiment.
Session 3: THz and Microwave Communications
21 August 2022 • 3:50 PM - 5:40 PM PDT | Conv. Ctr. Room 16B
Session Chair: Tyler L. Cocker, Michigan State Univ. (United States)
12230-10
Author(s): Frédéric Grillot, Pierre Didier, Télécom Paris (France); Hamza Dely, Ecole Normale Supérieure (France); Olivier Spitz, Elie Awwad, Télécom Paris (France); Thomas Bonazzi, Etienne Rodriguez, Djamal Gacemi, Yanko Todorov, Angela Vasanelli, Carlo Sirtori, Ecole Normale Supérieure (France)
21 August 2022 • 3:50 PM - 4:20 PM PDT | Conv. Ctr. Room 16B
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In this paper, we will review our recent results with a full transmission system based on Unipolar Quantum Optoelectronics (UQO) operating in the 8 to 14 µm atmospheric window, and composed of a quantum cascade (QC) laser, an external modulator and a QC detector, all optimized for operation at 33 THz optical wavelength. The paper will also discuss further applications of UQO in particular for radio over free-space. Overall, this paper will highlight the importance of using UQO devices operating at a few dozens of THz optical wavelength for both free-space optics and microwave photonics targeting 100 GHz radiofrequencies.
12230-11
Author(s): Amin Aminaei, SRON Netherlands Institute for Space Research (Netherlands)
21 August 2022 • 4:20 PM - 4:40 PM PDT | Conv. Ctr. Room 16B
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THz imaging proved to be an efficient and powerful NDE method for the inspection of materials and detection of defects. Here, we present the development of a Low-Terahertz Imaging Radar(L-TIR) which is specifically designed for the evaluation of FRP composites. L-TIR will be a compact active radar with a laser pulse transmitter and a receiver which operates at the lower THz band (1THz-2THz). L-TIR will probe the structure and sub-layers of the FRP composites which makes it a suitable and fast tool to detect the cracks, breaks and deamination at sub-mm resolution.
12230-12
Author(s): Antoine Rolland, IMRA America, Inc. (United States)
21 August 2022 • 4:40 PM - 5:10 PM PDT | Conv. Ctr. Room 16B
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Attosecond-level timing noise is measured for the first time at 300 GHz for Fourier frequency > 1 kHz. A 300 GHz signal is generated by the combination of low-noise stimulated Brillouin scattering process, dissipative Kerr soliton comb, and optical-to-electrical conversion.
12230-13
Author(s): Werner Prost, Khaled Arzi, Simone Clochiatti, Enes Mutlu, Univ. Duisburg-Essen (Germany); Safumi Suzuki, Masahiro Asada, Tokyo Institute of Technology (Japan); Nils Weimann, Univ. Duisburg-Essen (Germany)
21 August 2022 • 5:10 PM - 5:40 PM PDT | Conv. Ctr. Room 16B
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The exploitation of sub-millimetre waves for mobile applications such as communication and sensing requires compact, energy efficient, and hence preferably fundamental mode oscillators. For most applications both, signal generation and detection is required. By adding a third barrier to the Resonant Tunnelling Diode, a triple barrier resonant tunneling diode (TB-RTD) is formed. At forward bias the TBR-TD provides negative differential resistance, small parasitic capacitance, and high current density for THz signal emission, while at zero bias, a strong non-linearity is observed that was predicted to detect THz waves. We present the fabrication of TB-RTD monolithically integrated with an on-wafer slot or bow-tie antenna. Biasing the TB-RTD in the negative differential resistance regime provides fundamental mode output signal of preliminary 90 µW at f0 = 260 GHz. At 280 GHz an extremely high zero-bias resonant responsivity of R = 50.000 V/W is obtained. A broad band average responsivity of 2.000 V·W-1 was determined in the frequency range from 230 … 330 GHz along with a minimum Noise Equivalent Power of 1 pW·Hz-0.5 . This concept is expected to provide very high sensitivities at frequencies f ≥ 1 THz.
Sunday Evening Plenary
21 August 2022 • 6:00 PM - 7:30 PM PDT | Conv. Ctr. Room 6A
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Author(s): Michael W. Berns, Beckman Laser Institute and Medical Clinic (United States)
21 August 2022 • 6:05 PM - 6:35 PM PDT | Conv. Ctr. Room 6A
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It was 1966 and all I knew about lasers was that Goldfinger was going to slice James Bond in half. Then one of my professors at Cornell told me that the department had purchased a small ruby laser but did not know what to do with it and he felt it might be useful for very fine tissue ablation if coupled to a microscope. But the operating parameters of the red ruby laser made it difficult to control when focused to a small spot plus the absorption characteristics of most of the cell structures did not match the 694.3 nm wavelength of the laser. However, when the blue green argon ion laser was available, the ability to focus the pulsed beam to its diffraction limit plus the absorption properties of some cell structures (and the addition of light-absorbing dyes to these structures) allowed for precise ablation in spots less than 0.5 micrometer diameter, especially the chromosomes in live cells. When the nanosecond and picosecond 532nm and 355 nm harmonics of the NdYag lasers became available even greater precision of nanoablation was possible due to natural absorption by the target structure and/or non-linear multiphoton ablation which occurred regardless of absorption characteristics of the target. These optical systems were used (and still are) to perform subcellular surgery on any cell organelle visible with the light microscope. With Arthur Ashkin’s invention of optical traps (laser tweezers), cell biologists now had a complementary optical tool to the laser scissors and so began a renaissance in the use of light to finely alter and manipulate cells.
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Quantum science and metrology (Plenary Presentation)
Author(s): Jun Ye, JILA, Univ. of Colorado (United States)
21 August 2022 • 6:45 PM - 7:15 PM PDT | Conv. Ctr. Room 6A
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Precise engineering of quantum states of matter and innovative laser technology are revolutionizing the performance of atomic clocks and metrology, providing new opportunities to explore emerging phenomena, test fundamental symmetry, and search for new physics. The recent work of measuring gravitational time dilation at the sub-millimeter scale highlights exciting prospects for new scientific discovery and technology development.
Session 4: Spectroscopy and Biomedical Applications
22 August 2022 • 8:00 AM - 10:20 AM PDT | Conv. Ctr. Room 16B
Session Chair: Alvydas Lisauskas, Vilnius Univ. (Lithuania)
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Author(s): Tatjana Gric, Vilnius Gediminas Technical Univ. (Lithuania); Edik Rafailov, Aston Univ. (United Kingdom)
22 August 2022 • 8:00 AM - 8:30 AM PDT | Conv. Ctr. Room 16B
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This work aims to refine fundamental ideas used in electrodynamics and some optical problems and to apply them for biological systems. An analytical approach to calculate the macroscopic complex dielectric properties of materials is possible due to the effective medium theory models. It is well-known that early cancer detection is of substantial importance to increase the chances of survival. To address this grand societal challenges, this work aims at introducing a paradigm shift in the study of the dielectric response of the cancerous biological tissues. Herein, we consider a cancerous biological tissue as an anisotropic THz metamaterial composite.
12230-15
Author(s): Andrea Gutiérrez García, Univ. Autonoma de Aguascalientes (Mexico); Daniel A. May-Arrioja, Centro de Investigaciones en Óptica, A.C. (Mexico); Mariana Alfaro Gómez, Univ. Autonoma de Aguascalientes (Mexico)
22 August 2022 • 8:30 AM - 8:50 AM PDT | Conv. Ctr. Room 16B
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The study and development of THz technology require having different components such as lenses, splitters, and waveguides. As THz waves can penetrate a wide variety of non-conductive materials such as polymers, 3D printing can generate these components quickly and inexpensively. In this work, we present the characterization of some thermoplastic materials. This characterization was done with respect to different printing specifications manufactured using a 3D printer. We sought to characterize the refractive index and absorption coefficient using a THz time-domain spectrometer. In addition, we will also test a photonic component with different printing characteristics to evaluate how these may modify its performance.
12230-16
Author(s): Darius H. Torchinsky, Temple Univ. (United States)
22 August 2022 • 8:50 AM - 9:20 AM PDT | Conv. Ctr. Room 16B
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Weyl semimetals are defined by massless, chiral quasiparticles that derive from electronic band-crossings split by either spatial inversion or time-reversal symmetry breaking. These nodal points in the bulk band structure serve as sources and sinks of “topological charge” that are responsible for their phenomenology, including, e.g., Fermi arc surface states, and the chiral anomaly. Here we describe measurements of laser driven currents in both the bulk and on the Fermi arc surface states of structurally chiral Weyl semimetals as measured through the THz frequency radiation they emit upon photoexcitation, and describe their significance in the context of topological ordering.
12230-23
Author(s): Sandra Ruffenach, L2C -Univ. Montpellier CNRS (France); Mathias Lechelon, CIML Aix Marseille Univ. INSERM CNRS (France); Matteo Gori, Ilaria Nardecchia, CPT, Aix Marseille Univ., CNRS (France); Sebastien Mailfert, CIML, Aix Marseille Univ., INSERM CNRS (France); Dominique Coquillat, L2C, Univ. de Montpellier, CNRS (France); Frédéric Teppe, L2C, Univ., de Montpellier, CNRS (France); Pierre Ferrier, CIML, Aix Marseille Univ., INSERM CNRS (France); Luca Varani, IES, Univ. de Montpellier, CNRS (France); James Sturgis, LISM, Aix Marseille Univ., CNRS (France); Didier Marguet, CIML, Aix Marseille Univ., INSERM CNRS (France); Marco Pettini, CPT, Aix Marseille Univ., CNRS (France); Jeremie Torres, Institut d'Électronique et des Systèmes, Univ. de Montpellier, CNRS (France)
22 August 2022 • 9:20 AM - 9:50 AM PDT | Conv. Ctr. Room 16B
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We experimentally demonstrate, for the first time, the activation of long-range attractive electrodynamic forces of a new kind between proteins by means of THz spectroscopy, supported by fluorescence cross correlation spectroscopy and numerical simulations.
12230-17
Author(s): Vladimir Vaks, Institute for Physics of Microstructures (Russian Federation), Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation); Vladimir Anfertev, Institute for Physics of Microstructures (Russian Federation); Mariya Chernyaeva, Institute for Physics of Microstructures (Russian Federation), Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation); Elena Domracheva, Institute for Physics of Microstructures (Russian Federation); Anna Maslennikova, Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation), Privolzhsky Research Medical Univ. (Russian Federation); Alla Zheleznyak, Nizhny Novgorod Regional Oncology Hospital (Russian Federation)
22 August 2022 • 9:50 AM - 10:20 AM PDT | Conv. Ctr. Room 16B
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The prospective approach for studying the various multicomponent gas biological mixtures for metabolic analysis aiming medical diagnostics is the THz high resolution spectroscopy. The products content at thermal decomposition of urine of healthy volunteers and cancer patients before and after platinum chemotherapy was studied for searching early predictors of chemotherapy nephrotoxicity with using THz nonstationary spectrometer in phase-switching mode. Some nitriles in urine samples of cancer patients after chemotherapy may be estimated as an appearance of subclinical renal toxicity being results of thermal decomposition of proteins appearing in urine in trace concentrations, which cannot be found by clinical methods.
Session 5: New Trends in THz Technology
22 August 2022 • 10:50 AM - 12:20 PM PDT | Conv. Ctr. Room 16B
Session Chair: Antoine Rolland, IMRA America, Inc. (United States)
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Author(s): Akira Satou, Tohoku Univ. (Japan)
22 August 2022 • 10:50 AM - 11:20 AM PDT | Conv. Ctr. Room 16B
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We have developed the grating-gate InGaAs-HEMT terahertz detector utilizing hydrodynamic nonlinearities of 2D plasmons. Here, we review recent progress in the development of the detector to overcome obstacles for further performance enhancement. We experimentally demonstrated that the gate readout of the photovoltage enables the responsivity enhancement proportional to the active area size, the impedance matching to 50-Ω interconnection systems, and the responsivity enhancement due to the incorporation of the plasmonic hydrodynamic nonlinearities with the diode-like nonlinearity in the heterobarrier. We also investigated a new diffraction structure with metallic rectangular nanoantennas for the control of the polarization dependence of the responsivity.
12230-20
Author(s): Dmytro B. But, CENTERA Labs., Institute of High Pressure Physics (Poland); Kestutis Ikamas, Albert Cesiul, Vilnius Univ. (Lithuania); Alexander Chernyadiev, Cezary Kolacinski, CENTERA Labs., Institute of High Pressure Physics (Poland); Alvydas Lisauskas, Vilnius Univ. (Lithuania), CENTERA Labs., Institute of High Pressure Physics (Poland)
22 August 2022 • 11:20 AM - 11:50 AM PDT | Conv. Ctr. Room 16B
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In this paper, we address the state-of-the-art of CMOS-based electronic sources and detectors developed for the THz frequency range. In particular, we present a system operating at 250 GHz exhibiting input power-related signal-to-noise ratio (SNR) exceeding 70 dB in the direct detection regime for one Hz equivalent noise bandwidth. It combines the state-of-the-art detector based on CMOS field-effect-transistors (FET) and a voltage-controlled oscillator (VCO) employing SiGe bipolar transistors provided by the BiCMOS process. The manuscript presents different emitter–detector pair operation modalities, including data transmission, spectroscopy, and imaging.
12230-21
Author(s): Fedor Kusmartsev, Mauro Pereira, Zihao Chen, Khalifa Univ. (United Arab Emirates)
22 August 2022 • 11:50 AM - 12:20 PM PDT | Conv. Ctr. Room 16B
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Hyperbolic metamaterials (HMMs) are usually fabricated with extremely thin metallic layers and dielectric layers with thousands of THz working frequency range. However, tiny size and high working frequency limited the development and their applications. This paper delivers a scaling method which substituted “metallic layer" with thin dielectrics performing the same function. An initial sample was fabricated and measured indicating amazing THz properties. The experimental results are in excellent agreement with the theory and show the feasibility of this scaling method to design various THz devices such as flat lenses.
Poster Session
22 August 2022 • 5:30 PM - 7:30 PM PDT | Conv. Ctr. Exhibit Hall B1
Conference attendees are invited to view a collection of posters within the topics of Nanoscience + Engineering, Organic Photonics + Electronics, and Optical Engineering + Applications. Enjoy light refreshments, ask questions, and network with colleagues in your field. Authors of poster papers will be present to answer questions concerning their papers. Attendees are required to wear their conference registration badges to the poster session.

Poster authors, visit Poster Presentation Guidelines for set-up instructions.
12230-22
Author(s): Gilberto Gutierrez, Univ. Autonoma de Aguascalientes (Mexico); Mariana Alfaro Gómez, Univ. Autonoma de Aguascalientes (Mexico), Centro de Investigaciones en Óptica, A.C. (Mexico); Andrea Gutiérrez García, Univ. Autonoma de Aguascalientes (Mexico)
22 August 2022 • 5:30 PM - 7:30 PM PDT | Conv. Ctr. Exhibit Hall B1
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Terahertz time-domain spectroscopy is a powerful tool for characterizing material properties that were experimentally inaccessible until recently. For multilayered systems, the signal presents echoes with characteristics related to the optical properties of each corresponding layer. However, if the layers are very thin, echoes in the time domain may overlap and more complex and specific methods of analysis should be used to calculate the optical properties of the samples. In this work, we implement four different reported methods for the analysis of multilayered samples and compare them to evaluate their capabilities and results.
Conference Chair
Northwestern Univ. (United States)
Conference Chair
Univ. de Montpellier (France)
Program Committee
Institut d'Electronique de Microélectronique et de Nanotechnologie (France)
Program Committee
Joshua R. Freeman
Univ. of Leeds (United Kingdom)
Program Committee
NASA Goddard Space Flight Ctr. (United States)
Program Committee
Julius-Maximilians-Univ. Würzburg (Germany)
Program Committee
Kitasato Univ. (Japan)
Program Committee
Lab. Pierre Aigrain (France)
Program Committee
Univ. College London (United Kingdom)
Program Committee
Gaël Mouret
Univ. du Littoral Côte d'Opale (France)
Program Committee
Los Alamos National Lab. (United States)
Program Committee
Institute of Physics of the CAS, v.v.i. (Czech Republic)
Program Committee
Los Alamos National Lab. (United States)
Program Committee
Aston Univ. (United Kingdom)
Program Committee
Frédéric Teppe
Univ. de Montpellier (France)
Program Committee
Dmitry Turchinovich
Univ. Bielefeld (Germany)
Program Committee
Vladimir V. Vaks
Institute for Physics of Microstructures Russian Academy of Sciences (Russian Federation)
Program Committee
Gintaras Valušis
Ctr. for Physical Sciences and Technology (Lithuania)
Program Committee
Istituto Nanoscienze (Italy)