Broadband operation of an InP optical phased array

M. Gagino; M.B.J. van Rijn; E.A.J.M. Bente; M.K. Smit; V. Dolores-Calzadilla

doi:10.1109/LPT.2022.3171979

Broadband operation of an InP optical phased array

M. Gagino (Corresponding author), M.B.J. van Rijn, E.A.J.M. Bente, M.K. Smit, V. Dolores-Calzadilla

Photonic Integration

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Abstract

We demonstrate the broadband operation and beam calibration over 70nm tuning range of an optical phased array (OPA) fabricated in a generic InP photonic integration platform, which enables multi-wavelength OPA operation. The broadband performance was demonstrated on an 8-channel OPA, whose calibration and phase modulator characterization were executed through near-field and far-field measurements. The architecture reported here is scalable, and the results are promising for reducing the complexity of calibration and control of large-scale OPAs for their use at multiple wavelengths, for example, for spectral imaging or 2D beam steering through dispersive gratings.

Original language	English
Pages (from-to)	541-544
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	34
Issue number	10
DOIs	https://doi.org/10.1109/LPT.2022.3171979
Publication status	Published - 15 May 2022

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Keywords

Beam steering
Calibration
Couplers
Indium Phosphide photonics
LiDAR
Optical arrays
Optical device fabrication
Optical phased array
Optical waveguides
Phased arrays
Photonic integrated circuits
Stars
photonic integrated circuits
optical phased array

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title = "Broadband operation of an InP optical phased array",

abstract = "We demonstrate the broadband operation and beam calibration over 70nm tuning range of an optical phased array (OPA) fabricated in a generic InP photonic integration platform, which enables multi-wavelength OPA operation. The broadband performance was demonstrated on an 8-channel OPA, whose calibration and phase modulator characterization were executed through near-field and far-field measurements. The architecture reported here is scalable, and the results are promising for reducing the complexity of calibration and control of large-scale OPAs for their use at multiple wavelengths, for example, for spectral imaging or 2D beam steering through dispersive gratings.",

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AU - Dolores-Calzadilla, V.

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Broadband operation of an InP optical phased array

Abstract

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Keywords

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