A Photodetector-Driven Coherent RF Array with Wide Tuning Range

Abiri, Behrooz; Ives, Craig; Hajimiri, Ali

doi:10.1364/cleo_si.2019.sf2n.6

Conference on Lasers and Electro-Optics 2019

DOI: 10.1364/cleo_si.2019.sf2n.6

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A Photodetector-Driven Coherent RF Array with Wide Tuning Range

Behrooz Abiri¹,

Craig Ives²,

Ali Hajimiri³

Abstract: A sixteen-element coherent array of wideband spiral antennas driven by photodetectors is presented. The array radiates between 21 and 65 GHz, with -45 dBm of coupled power at 42 GHz.

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Integrated Silicon Photonics for Enabling Next-Generation Space Systems

2021

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A review of silicon photonics for space applications is presented. The benefits and advantages of size, weight, power, and cost (SWaP-C) metrics inherent to silicon photonics are summarized. Motivation for their use in optical communications systems and microwave photonics is addressed. The current state of our understanding of radiation effects in silicon photonics is included in this discussion. Total-ionizing dose, displacement damage, and single-event transient effects are discussed in detail for germanium-integrated photodiodes, silicon waveguides, and Mach-Zehnder modulators. Areas needing further study are suggested.

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Integrated Silicon Photonics for Enabling Next-Generation Space Systems

2021

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A Photodetector-Driven Coherent RF Array with Wide Tuning Range

Abstract: A sixteen-element coherent array of wideband spiral antennas driven by photodetectors is presented. The array radiates between 21 and 65 GHz, with -45 dBm of coupled power at 42 GHz.

Cited by 1 publication

References 7 publications

Integrated Silicon Photonics for Enabling Next-Generation Space Systems

Integrated Silicon Photonics for Enabling Next-Generation Space Systems

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