An 18Gbps polymer microwave fiber (PMF) communication link in 40nm CMOS

Thienen, Niels Van; Zhang, Yang; Wit, Maxime De; Reynaert, Patrick

doi:10.1109/esscirc.2016.7598346

Cited by 40 publications

(13 citation statements)

References 8 publications

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“…Rapid increases in data transmission rates and densities within computation and communication infrastructures has led the interconnect community to examine alternatives to conventional copper wireline interconnect for intermediate reach (meter-class). Since 2011 [88], there have been a number of works focused on the use of low-loss dielectric waveguides, carrying modulated data with carriers mostly at D-band (110∼170 GHz) [89]- [92]. Data rate of up to 36 Gbps, meter-level transmission distance and energy efficiency of a few pJ/bit are demonstrated.…”

Section: A High-speed Wireline Links Through Guided Thz Wavesmentioning

confidence: 99%

Emerging Terahertz Integrated Systems in Silicon

Wang

et al. 2021

IEEE Trans. Circuits Syst. I

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Silicon-based terahertz (THz) integrated circuits (ICs) have made rapid progress over the past decade. The demonstrated basic component performance, as well as the maturity of design tools and methodologies, have made it possible to build high-complexity THz integrated systems. Such implementations are undoubtedly highly attractive due to their low cost and high integration capability; however, their unique characteristics, both advantageous and disadvantageous, also call for research investigations into unconventional systematic architectures and novel THz applications. In this paper, we review Manuscript

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Section: A High-speed Wireline Links Through Guided Thz Wavesmentioning

confidence: 99%

Emerging Terahertz Integrated Systems in Silicon

Wang

et al. 2021

IEEE Trans. Circuits Syst. I

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“…The ISI caused by a frequency-dependent attenuation of a DWG is defined by (5) with (28) in the numerator and the infinite sum…”

Section: Appendix a Derivation Of Isi Caused By Frequency-dependent mentioning

confidence: 99%

“…From the beginnings until today, the achievable data rate over 1 m DWG has been tripled from 12 to 36 Gb/s [4]. At the same time, the maximum transmission distance increased from 1 to 15 m [5]. In order to further increase the data rate, the required components are constantly improved.…”

Section: Introductionmentioning

confidence: 99%

Signal distortions in circular dielectric waveguides at mm-wave frequencies

Meyer

Schneider

2021

Int. J. Microw. Wireless Technol.

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Despite the great progress in data transmission systems using dielectric waveguides (DWGs) in the millimeter-wave (mm-wave) frequency band (30–300 GHz), the signal distortions caused by DWGs have not yet been fully understood. However, such investigations would help to optimize DWGs as a transmission channel in order to further increase data rate and transmission distance of such systems without the need for more complex transceivers. Therefore, this paper presents a detailed study of the expected signal distortions caused by frequency-dependent attenuation and frequency-dependent group delay of circular DWGs at mm-wave frequencies. Based on a low-complexity digital transmission system, the effects of DWGs on the signal-to-noise ratio and the intersymbol interference at the receiver are evaluated. The figures and equations given in this paper allow the reader to easily calculate the channel properties and signal distortions for a wide range of circular DWGs without the need of finite element method solver or other time-consuming numerical simulations. Finally, design recommendations are given to minimize signal distortions for transmitting signals along DWGs.

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“…Although, in principle, the dielectric foams can contribute to additional propagation losses, the effect is negligible for short distances (several meters) and lower THz frequencies (below 200 GHz) for many of the common foams. Now, we briefly review some of the recent demonstration of THz communications using THz fibers [50][51][52][53][54][55]. In [55] an error free transmission of 7.6 Gbps and 1.5 Gbps data over the link distance of 8 m and 15 m has been demonstrated using a hollow core waveguide made of Teflon at the carrier frequency of 120 GHz.…”

Section: Introductionmentioning

confidence: 99%

“…Now, we briefly review some of the recent demonstration of THz communications using THz fibers [50][51][52][53][54][55]. In [55] an error free transmission of 7.6 Gbps and 1.5 Gbps data over the link distance of 8 m and 15 m has been demonstrated using a hollow core waveguide made of Teflon at the carrier frequency of 120 GHz. The modal loss of the waveguide was 2.5 dB/m.…”

Section: Introductionmentioning

confidence: 99%

Dispersion Limited versus Power Limited Terahertz Transmission Links Using Solid Core Subwavelength Dielectric Fibers

Nallappan¹,

Cao²,

Xu³

et al. 2020

Preprint

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Terahertz (THz) band (0.1 THz-10 THz) is the next frontier for the ultra-high-speed communication systems. Currently, most of communications research in this spectral range is focused on wireless systems, while waveguide/fiber-based links have been less explored. Although free space communications have several advantages such as convenience in mobility for the end user, as well as easier multi-device interconnectivity in simple environments, the fiber-based communications provide superior performance in certain short-range communication applications such as multi-device connectivity in complex geometrical environments (ex. intra-vehicle connectivity), secure communications with low probability of eavesdropping, as well as secure signal delivery to hard-to-reach or highly protected environments. In this work, we present an in-depth experimental and numerical study of the short-range THz communications links that use subwavelength dielectric fibers for information transmission and define main challenges and tradeoffs in the link implementation. Particularly, we use air or foam-cladded polypropylene-core subwavelength dielectric THz fibers of various diameters (0.57-1.75 mm) to study link performance as a function of the link length of up to ~10 m, and data bitrates of up to 6 Gbps at the carrier frequency of 128 GHz (2.34 mm wavelength). We find that depending on the fiber diameter, the quality of the transmitted signal is mostly limited either by the modal propagation loss or by the fiber velocity dispersion (GVD). An error-free transmission over 10 meters is achieved for the bit rate of 4 Gbps using the fiber of smaller 0.57 mm diameter. Furthermore, since the fields of subwavelength fibers are weakly confined and extend deep into the air cladding, we study the modal field extent outside of the fiber core, as well as fiber bending loss. Finally, the power budget of the rod-in-air subwavelength THz fiber-based links is compared to that of free space communication links and we demonstrate that fiber links offer an excellent solution for various short-range applications.

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An 18Gbps polymer microwave fiber (PMF) communication link in 40nm CMOS

Cited by 40 publications

References 8 publications

Emerging Terahertz Integrated Systems in Silicon

Emerging Terahertz Integrated Systems in Silicon

Signal distortions in circular dielectric waveguides at mm-wave frequencies

Dispersion Limited versus Power Limited Terahertz Transmission Links Using Solid Core Subwavelength Dielectric Fibers

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