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In Terahertz (THz) technology, one of the long-standing challenges has been the formation of intense pulses covering the hard-to-access frequency range of 1-15 THz (so-called THz gap). This frequency band, lying between the electronically…

Optics · Physics 2014-07-29 C. Vicario , B. Monoszlai , M. Jazbinsek , S. -H Lee , O. -P. Kwon , C. P. Hauri

The Terahertz (THz) frequency band offers a wide range of bandwidths, from tens to hundreds of gigahertz (GHz) and also supports data speeds of several terabits per second (Tbps). Because of this, maintaining THz channel reliability and…

Wireless communication at the terahertz (THz) frequency bands (0.1-10THz) is viewed as one of the cornerstones of tomorrow's 6G wireless systems. Owing to the large amount of available bandwidth, THz frequencies can potentially provide…

Information Theory · Computer Science 2021-09-28 Christina Chaccour , Mehdi Naderi Soorki , Walid Saad , Mehdi Bennis , Petar Popovski , Merouane Debbah

Neutrino astronomy offers the possibility to perform extra-galactic observations well beyond the photon absorption cutoff above 50 TeV. Based on observations of cosmic rays, we already know that astrophysical sources produce particles with…

Astrophysics · Physics 2009-11-10 David Saltzberg

Galaxies undergoing formation and evolution can now be observed over a time baseline of some 12 Gyr. An inherent difficulty with high-redshift observations is that the objects are very faint and the best resolution (HST) is only ~0.5 kpc.…

Astrophysics · Physics 2016-01-27 Garth D. Illingworth , Rychard J. Bouwens

We present an experimental instrument that performs laboratory-based gas-phase Terahertz Desorption Emission Spectroscopy (THz-DES) experiments in support of astrochemistry. The measurement system combines a terahertz heterodyne radiometer…

Instrumentation and Methods for Astrophysics · Physics 2022-08-03 O. Auriacombe , S. Rea , S. Ioppolo , M. Oldfield , S. Parkes , B. Ellison , H. Fraser

We propose a method to distinguish between cloudy, hazy and clearsky (free of clouds and hazes) exoplanet atmospheres that could be applicable to upcoming large aperture space and ground-based telescopes such as the James Webb Space…

Earth and Planetary Astrophysics · Physics 2014-10-28 Amit Misra , Victoria Meadows

Imaging and spectroscopic observations in the mid-infrared wavelength range (5$\mu$m--30$\mu$m) offer valuable insight into the origins of stars and planets. Sensitive new array detectors on 8-meter class telescopes make it possible to…

Astrophysics · Physics 2009-11-07 Ray Jayawardhana

The THz atmospheric windows centered at roughly 1.3 and 1.5~THz, contain numerous spectral lines of astronomical importance, including three high-J CO lines, the N+ line at 205 microns, and the ground transition of para-H2D+. The CO lines…

We give an overview of the Grism Lens Amplified Survey from Space (GLASS), a large Hubble Space Telescope program aimed at obtaining grism spectroscopy of the fields of ten massive clusters of galaxies at redshift z=0.308-0.686, including…

ALMA will become fully operational in a few years and open a new window on primordial galaxies. The mm and submm domain is privileged, since the peak of dust emission between 60 and 100 microns is redshifted there for z= 5-10, and the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 F. Combes

We explore the possibility of detecting the first galaxies with the next generation of space-based far infrared (FIR) telescopes by applying an analytical model of primordial dust emission. Our results indicate that FIR/sub-mm sources at $z…

Astrophysics of Galaxies · Physics 2019-10-02 Maria Emilia De Rossi , Volker Bromm

The almost unexplored frequency window from submillimeter to mid-infrared (mid-IR) may bring new clues about the particle acceleration and transport processes and the atmospheric thermal response during solar flares. Because of its…

We report on a plan to construct a 50-m-class single-dish telescope, the Large Submillimeter Telescope (LST). The conceptual design and key science behind the LST are presented, together with its tentative specifications. This telescope is…

Instrumentation and Methods for Astrophysics · Physics 2018-02-07 Ryohei Kawabe , Kotaro Kohno , Yoichi Tamura , Tatsuya Takekoshi , Tai Oshima , Shun Ishii , LST working group

Luminous quasars at z>5.6 can be studied in detail with the current generation of telescopes and provide us with unique information on the first gigayear of the universe. Thus far these studies have been statistically limited by the number…

In this work, the detection of terahertz (THz) pulse via different schemes of THz time-domain spectroscopy (THz-TDS), including electro-optic sampling (EOS) and photoconductive sampling (PCS), has been reviewed by insisting on its…

Optics · Physics 2023-08-17 Jiayu Zhao

Terahertz (THz) communication is now being considered as one of possible technologies for the sixth generation (6G) wireless communication systems. In this paper, a novel three-dimensional (3D) space-time-frequency non-stationary…

Signal Processing · Electrical Eng. & Systems 2021-08-17 Jun Wang , Cheng-Xiang Wang , Jie Huang , Haiming Wang , Xiqi Gao , Xiaohu You , Yang Hao

We present a sample of 80 candidate strongly lensed galaxies with flux density above 100mJy at 500{\mu}m extracted from the Herschel Astrophysical Terahertz Large Area Survey (H-ATLAS), over an area of 600 square degrees. Available imaging…

Recent developments in nanotechnology herald nanometer-sized devices expected to bring light to a number of groundbreaking applications. Communication with and among nanodevices will be needed for unlocking the full potential of such…

Networking and Internet Architecture · Computer Science 2021-02-08 Filip Lemic , Sergi Abadal , Wouter Tavernier , Pieter Stroobant , Didier Colle , Eduard Alarcón , Johann Marquez-Barja , Jeroen Famaey

This article focuses on the near-field effect in terahertz (THz) communications and sensing systems. By equipping with extremely large-scale antenna arrays (ELAAs), the near-field region in THz systems can be possibly extended to hundreds…

Information Theory · Computer Science 2023-06-19 Zhaolin Wang , Xidong Mu , Yuanwei Liu
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