An Analysis of RF On-Chip Antennas in Si-Based Integrated Microwave Photonics

Dhillon, Ajaypal Singh; Radi, Bahaa; Liboiron-Ladouceur, Odile

doi:10.1109/jphot.2021.3062883

Cited by 8 publications

(5 citation statements)

References 59 publications

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“…We previously demonstrated a proof of concept with a 15 GHz on-chip antenna design in SiPh [21], and we also conducted simulation of planar antennas for intra-chip communication [22] and inter/intra-chip communication [23]. In contrast to [21], this work not only achieves three times the data transmission capacity (from 650 Mb/s to 4 Gb/s), but also demonstrates intra-chip communication.…”

Section: Introductionmentioning

confidence: 92%

Silicon Photonics for Inter/Intra-Chip Wireless Communication Using RF On-Chip Antennas

Dhillon,

Melanson,

Liboiron-Ladouceur

2024

IEEE Photonics J.

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This study experimentally demonstrates both interchip and intra-chip RF transmission for short-range microwave communication using on-chip antennas, implemented on a silicon photonic platform. The unification of antenna with photonic integrated circuits (PICs) reduces system loss for high data rate communication by eliminating parasitics. We designed, fabricated, and measured two antenna topologies (blade and triangular) for intra-chip communication and one (meander antenna) for both inter-chip as well as intra-chip communication. The three on-chip antenna topologies have resonance at 15.7 GHz, 13.2 GHz, and 12.6 GHz, and maximum transmission coefficient (S21) value above -30 dB for all antennas. Their operation is further validated by low return loss value (S11 ≤ -20 dB), indicating strong impedance matching with minimal power reflection. The intra-chip RF data transmission has been confirmed with bit-error-rate (BER) measurements of below 10 -9 up to a data rate of 4 Gbps. We have also performed inter-chip communication between two on-chip antennas separated by a distance of upto 18 mm and accomplished 4 Gbps transmission with BER < 10 -9 . Our findings indicate that on-chip antennas integrated onto silicon photonic chips provides a seamless conversion between electrical and optical signals. This integration enables various on-chip RF wireless applications such as chip-to-chip and off-chip communication, along with wireless sensing off-chip. Furthermore, the incorporation of an integrated antenna facilitates the realization of integrated RF photodetector-antenna emitters on a silicon photonic chip, thereby significantly reducing size, weight, area, and power requirements. Index Terms-Antenna on-chip (AoC), blade antenna, inter-chip and intra-chip wireless communication, integrated microwave photonics (IMWP), meander antenna, monopole antenna, radio frequency photonics (RF Photonics), silicon photonics (SiPh), triangular antenna.

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Section: Introductionmentioning

confidence: 92%

Silicon Photonics for Inter/Intra-Chip Wireless Communication Using RF On-Chip Antennas

Dhillon,

Melanson,

Liboiron-Ladouceur

2024

IEEE Photonics J.

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“…Several studies [5,6] have explored Si-based designs for OCAs (On-Chip Antennas) with a view to improving gain and efficiency and reducing parasitic interconnections. Such antennas generally tend to have a narrow bandwidth (less than 10%) and a limited radiation efficiency and range; however, what distinguishes them is their small size, allowing integration into a variety of electronic devices [7].…”

Section: Introductionmentioning

confidence: 99%

Design, Fabrication and Testing of a Multifrequency Microstrip RFID Tag Antenna on Si

Korfiati,

Vazouras,

Bolakis

et al. 2024

Computation

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A configurable design of a microstrip square spiral RFID tag antenna, for a wide range of microwave frequencies in the S- and C-band, is presented. The design is parameterized in dimensions, and hence changing the design frequency (or frequencies) is easy, by changing only an initial value for the spiral geometry. A tag specimen was fabricated using a Cu electroplating technique according to the design for frequencies of interest in the areas of 2.4 and 5.8 GHz. The substrate material is 320 μm high-resistivity Si and the bridge dielectric is 15 μm polyimide PI2525. The steps of the microfabrication process involve metallic structure pattern transfer techniques with optical UV lithography procedures. The reflection coefficient and antenna gain of the specimen were measured inside an anechoic enclosure using a vector network analyzer (VNA) and a TEM horn test antenna over a frequency range of up to 6 GHz. Simulated and measured results, exhibiting reasonable agreement, are presented and discussed.

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“…Numerous studies [5,6] have explored Si based designs for OCA (On Chip Antennas) with a view to improving gain and efficiency and reducing parasitic interconnections. Such antennas generally tend to have narrow bandwidth (less than 10%) and a limited radiation efficiency and range, but what distinguishes them is their small size, allowing integration into a variety of electronic devices [7].…”

Section: Introductionmentioning

confidence: 99%

Design, Fabrication and Testing of a Multifrequency Microstrip RFID Tag Antenna on Si

Korfiati,

Vazouras,

Bolakis

et al. 2024

Preprint

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A configurable design of a microstrip square spiral RFID tag antenna, for a wide range of microwave frequencies in S- and C-band, is presented. The design is parameterized in dimensions, and hence changing the design frequency (or frequencies) is easy, by changing only an initial value for the spiral geometry. A tag specimen was fabricated using Cu electroplating technique according to the design for frequencies of interest in the areas of 2.4 and 5.8 GHz. The substrate material is a 320 μm high resistivity Si and the bridge dielectric is a 15μm polyimide PI2525. The microfabrication process involves steps of metallic structure pattern transfer techniques with optical UV lithography procedures. The reflection coefficient and gain of the specimen were measured inside an anechoic enclosure using a vector network analyzer (VNA) and a TEM horn test antenna over a frequency range of up to 6 GHz. Simulated and measured results are presented and discussed, exhibiting reasonable agreement.

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An Analysis of RF On-Chip Antennas in Si-Based Integrated Microwave Photonics

Cited by 8 publications

References 59 publications

Silicon Photonics for Inter/Intra-Chip Wireless Communication Using RF On-Chip Antennas

Silicon Photonics for Inter/Intra-Chip Wireless Communication Using RF On-Chip Antennas

Design, Fabrication and Testing of a Multifrequency Microstrip RFID Tag Antenna on Si

Design, Fabrication and Testing of a Multifrequency Microstrip RFID Tag Antenna on Si

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