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Communication Dans Un Congrès Année : 2024

Shorted Stacked Patch Array for Photonic Beam Steering at mm-Waves

Résumé

We present the design of a mm-wave phased array antenna enabled by photonic beam steering. The mm-wave signal is generated by InP uni-traveling-carrier (UTC) photodiodes within the photonic integrated chip (PIC). The antenna array consists of four sub-arrays, each comprising two stacked patch elements. The bottom patch is shorted to create a compact element, enabling a half-wavelength spacing in the scanning plane. This configuration results in a relatively wide scanning range of +/-30° without significant sidelobe levels. The complexity of this structure lies in the heterogeneous integration of the InP chip with the antenna array and biasing network, all printed on a low-loss substrate with low relative permittivity. The proposed array exhibits a simulated peak directivity of 16 dBi and an impedance and -3 dB gain bandwidth ranging from 43.8 GHz to 58.8 GHz.
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Dates et versions

hal-04564559 , version 1 (30-04-2024)

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Charikleia Tzimoragka, Ronan Sauleau, Mehdi Alouini, Cyril Paranthoen, David Gonzalez-Ovejero. Shorted Stacked Patch Array for Photonic Beam Steering at mm-Waves. 2024 18th European Conference on Antennas and Propagation (EuCAP), Mar 2024, Glasgow, United Kingdom. ⟨10.23919/eucap60739.2024.10501424⟩. ⟨hal-04564559⟩
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