A 183-GHz InP/CMOS-Hybrid Heterodyne-Spectrometer for Spaceborne Atmospheric Remote Sensing

Kim, Yanghyo; Zhang, Yan; Reck, Theodore; Nemchick, Deacon J.; Chattopadhyay, Goutam; Drouin, Brian J.; Chang, M.F.; Tang, Adrian

doi:10.1109/tthz.2019.2910988

Cited by 27 publications

(18 citation statements)

References 31 publications

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“…A 28 nm CMOS TX for pulsed operation at 180 GHz has been designed for in-situ molecular sensing in planetary science [11]. A complete 183 GHz CMOS/InP hybrid heterodynespectrometer with an InP low noise amplifier, a 28 nm CMOS RX, and a 65 nm CMOS spectrometer has been realized recently for spaceborne atmospheric remote sensing applications [12]. Beyond molecular spectroscopy, wideband TXs and RXs and their sub-circuits for the range around 240 GHz are also required for high-bandwidth communication links, [13], [14], [15], [16], [17], and high-resolution radar systems, [18], [19].…”

Section: Introductionmentioning

confidence: 99%

Dual-Band Transmitter and Receiver With Bowtie-Antenna in 0.13 μm SiGe BiCMOS for Gas Spectroscopy at 222 - 270 GHz

Schmalz¹,

Rothbart

Gluck

et al. 2021

IEEE Access

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This paper presents a transmitter (TX) and a receiver (RX) with bowtie-antenna and silicon lens for gas spectroscopy at 222-270 GHz, which are fabricated in IHP's 0.13 µm SiGe BiCMOS technology. The TX and RX use two integrated local oscillators for 222 -256 GHz and 250 -270 GHz, which are switched for dual-band operation. Due to its directivity of about 27 dBi, the single integrated bowtie-antenna with silicon lens enables an EIRP of about 25 dBm for the TX, and therefore a considerably higher EIRP for the 2-band TX compared to previously reported systems. The double sideband noise temperature of the RX is 20,000 K (18.5 dB noise figure) as measured by the Y-factor method. Absorption spectroscopy of gaseous methanol is used as a measure for the performance of the gas spectroscopy system with TX-and RX-modules.

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Section: Introductionmentioning

confidence: 99%

Dual-Band Transmitter and Receiver With Bowtie-Antenna in 0.13 μm SiGe BiCMOS for Gas Spectroscopy at 222 - 270 GHz

Schmalz¹,

Rothbart

Gluck

et al. 2021

IEEE Access

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“…Until the extension of SIS mixers beyond the Nb superconducting band gap [99] and the invention of superconducting hot electron bolometers [100], the only practical THz mixer was a Schottky diode. Despite low power consumption demonstrations of THz oscillators with Silicon (CMOS) and Silicon:Germanium (SiGE) electronics, progress in high-frequency mixing has been limited to millimeter wavelengths [101]. At room temperature, the Schottky and Silicon devices require local oscillator power levels on the order of 1 mW to promote efficient mixing, or approximately three orders of magnitude more local oscillator power than superconducting mixers.…”

Section: Airborne and Space-based Thz Systemsmentioning

confidence: 99%

Instrumentation for THz Spectroscopy in the Laboratory and in Space

Pearson

Drouin

2021

IEEE J. Microw.

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Spectroscopic measurements in the millimeter, submillimeter, or THz range, with resolutions exceeding a MHz, provide for highly specific detections of gas-phase absorption and emission by atoms and molecules. Due to relatively low excitation energies involved in the transitions, multiple features are observable in most physical systems, and thus such observations dominate the scientific discovery of molecules in space and contribute significantly to remote sensing of the Earth and planetary bodies. The methods and techniques of THz spectroscopy continue to evolve as capabilities and technologies expand. In this article, we review the genesis of THz spectroscopy in both the laboratory and in space, and follow its development to date, providing background on the challenges, and context for the current developments that promise to extend both remote and in-situ gas composition sensing.

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“…FPGA/ASICbased solutions are currently being developed by European consortiums, while ASIC-based system-on-chip (SoC) architectures are being developed in the US with the purpose of providing low-power backends for array receivers. A 3 GHz bandwidth CMOS chip based on 65 nm technology has already been demonstrated [47,129]. This single chip backend can support 4096 channels and requires only 1.65 Watts.…”

Section: Backend Spectrometersmentioning

confidence: 99%

The far-infrared spectroscopic surveyor (FIRSS)

et al. 2021

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We are standing at the crossroads of powerful new facilities emerging in the next decade on the ground and in space like ELT, SKA, JWST, and Athena. Turning the narrative of the star formation potential of galaxies into a quantitative theory will provide answers to many outstanding questions in astrophysics, from the formation of planets to the evolution of galaxies and the origin of heavy elements. To achieve this goal, there is an urgent need for a dedicated space-borne, far-infrared spectroscopic facility capable of delivering, for the first time, large scale, high spectral resolution (velocity resolved) multiwavelength studies of the chemistry and dynamics of the ISM of our own Milky Way and nearby galaxies. The Far Infrared Spectroscopic Surveyor (FIRSS) fulfills these requirements and by exploiting the legacy of recent photometric surveys it seizes the opportunity to shed light on the fundamental building processes of our Universe.

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A 183-GHz InP/CMOS-Hybrid Heterodyne-Spectrometer for Spaceborne Atmospheric Remote Sensing

Cited by 27 publications

References 31 publications

Dual-Band Transmitter and Receiver With Bowtie-Antenna in 0.13 μm SiGe BiCMOS for Gas Spectroscopy at 222 - 270 GHz

Dual-Band Transmitter and Receiver With Bowtie-Antenna in 0.13 μm SiGe BiCMOS for Gas Spectroscopy at 222 - 270 GHz

Instrumentation for THz Spectroscopy in the Laboratory and in Space

The far-infrared spectroscopic surveyor (FIRSS)

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