Photonics for Millimeter-Wave and Terahertz Sensing and Measurement

Nagatsuma, Tadao; Hisatake, Shintaro; Pham, Hai Huy Nguyen

doi:10.1587/transele.e99.c.173

Cited by 12 publications

(10 citation statements)

References 31 publications

(37 reference statements)

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“…Mm waves have gained tremendous research interest in a wide range of applications in communications and sensing over the last two decades [25][26][27][28][29][30][31][32][33]. In this section, we will review these applications and discuss their performance metrics such as the signal and system requirements, i.e.…”

Section: Applications and Requirements For Optically Generated Mm-wav...mentioning

confidence: 99%

“…Apart from communication networks, mm waves can also be employed in security, scanning, imaging, and spectroscopy applications; the nondestructive nature of this technology when used for analysis and inspection provides superior measurement quality and reduced measurement time, compared to other sensing and measurement technologies [31,32,45]. Mm-wave sensors provide specific advantages in many fields, resulting in considerable industry interest and a continuous expansion of the range of target applications [32].…”

Section: Sensing and Imagingmentioning

confidence: 99%

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Millimeter-wave generation using hybrid silicon photonics

Degli-Eredi

Jacob

et al. 2021

J. Opt.

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Technological innovation with millimeter waves (mm waves), signals having carrier frequencies between 30 and 300 GHz, has become an increasingly important research field. While it is challenging to generate and distribute these high frequency signals using all-electronic means, photonic techniques that transfer the signals to the optical domain for processing can alleviate several of the issues that plague electronic components. By realizing optical signal processing in a photonic integrated circuit (PIC), one can considerably improve the performance, footprint, cost, weight, and energy efficiency of photonics-based mm-wave technologies. In this article, we detail the applications that rely on mm-wave generation and review the requirements for photonics-based technologies to achieve this functionality. We give an overview of the different PIC platforms, with a particular focus on hybrid silicon photonics, and detail how the performance of two key components in the generation of mm waves, photodetectors and modulators, can be optimized in these platforms. Finally, we discuss the potential of hybrid silicon photonics for extending mm-wave generation towards the THz domain and provide an outlook on whether these mm-wave applications will be a new milestone in the evolution of hybrid silicon photonics.

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Section: Applications and Requirements For Optically Generated Mm-wav...mentioning

confidence: 99%

Section: Sensing and Imagingmentioning

confidence: 99%

Millimeter-wave generation using hybrid silicon photonics

Degli-Eredi

Jacob

et al. 2021

J. Opt.

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“…We use II-VI semiconductor material such as zinc telluride (ZnTe) 24) or cadmium telluride (CdTe) 25,26) for the EO crystal. There are two types of EO probe: a longitudinal type and a transverse type, as shown in Fig.…”

Section: Electrooptic Sensormentioning

confidence: 99%

Electric field measurement of organic photovoltaic cell model using electrooptic probe

Saito

Yabe

Suzuki

et al. 2016

Jpn. J. Appl. Phys.

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In this paper, we describe the use of a transverse electrooptic probe to measure the electric field of an organic photovoltaic (OPV) cell model. It is necessary to measure the voltage of each OPV cell in order to diagnose failure of the OPV. An electric field is generated by the OPV cell voltage, so measuring the electric field is effective for obtaining a failure diagnosis of the OPV. We use a transverse electrooptic probe as an instrumentation tool for measuring the electric field over the OPV. We confirmed the principle of superposition for the electric field strength from each OPV cell model. These results show that the calibration of each OPV cell voltage can be accomplished by measuring the electric field strength over the OPV cells.

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“…Millimeter and terahertz waves have been intensely studied for a range of applications in communications and sensing over the last decades and are now finding their way into standardization and daily life: in short-range high-capacity wireless services and the 5 th generation of mobile networks (5G), in security and body scanners at airports as well as for vehicular radar. While in communications the promise of millimeter waves (mm-waves) lies in the availability of larger amounts of spectrum and easier licensing than in the already crowded traditional radio frequency (RF) communication bands below 10 GHz [1], for applications in radar and sensing millimeter and terahertz (THz) waves allow unprecendented precision and measurements accuracy, combined with being non-destructive [2,3]. An overview of the micro-, millimeter-and terahertz frequency ranges and a number of common applications is given in Fig.…”

Section: Introductionmentioning

confidence: 99%