Aliasing-free Beam Steering from an Optical Array Emitter with Half-wavelength Pitch

Ziyun Kong; Yun Jo Lee; Abdullah Al Noman; Yingheng Tang; Gregory Chang; Ruihan Chen; Minghao Qi

doi:10.1364/IPRSN.2020.ITh2H.6

OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF)
OSA Technical Digest (Optica Publishing Group, 2020),
paper ITh2H.6
•https://doi.org/10.1364/IPRSN.2020.ITh2H.6

Aliasing-free Beam Steering from an Optical Array Emitter with Half-wavelength Pitch

Ziyun Kong, Yun Jo Lee, Abdullah Al Noman, Yingheng Tang, Gregory Chang, Ruihan Chen, and Minghao Qi

Integrated Photonics Research, Silicon and Nanophotonics 2020

Washington, DC United States
13–16 July 2020
ISBN: 978-1-943580-79-8

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Advances in Radiation and Sensing (ITh2H)

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Z. Kong, Y. J. Lee, A. A. Noman, Y. Tang, G. Chang, R. Chen, and M. Qi, "Aliasing-free Beam Steering from an Optical Array Emitter with Half-wavelength Pitch," in OSA Advanced Photonics Congress (AP) 2020 (IPR, NP, NOMA, Networks, PVLED, PSC, SPPCom, SOF), L. Caspani, A. Tauke-Pedretti, F. Leo, and B. Yang, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper ITh2H.6.

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Abstract

We present an OPA with uniform half-wavelength pitch and grating emitters. Aliasing-free beam steering over ∼ 120° field-of-view is measured. Evanescent coupling between closely spaced emitters is suppressed by extreme skin-depth cladding structures.

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