81-beam coherent combination using a programmable array generator | Zendy

Qiang Du | Zendy; Dan Wang | Zendy; Tong Zhou | Zendy; Derun Li | Zendy; Russell Wilcox | Zendy

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81-beam coherent combination using a programmable array generator

Author(s) -

Qiang Du,

Dan Wang,

Tong Zhou,

Derun Li,

Russell Wilcox

Publication year - 2021

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.416499

Subject(s) - optics , spatial light modulator , beam (structure) , testbed , computer science , phase (matter) , phase modulation , generator (circuit theory) , channel (broadcasting) , phase control , free space optical communication , diffraction , physics , optical communication , telecommunications , phase noise , power (physics) , computer network , quantum mechanics

We have generated 81 independently controllable beams using a spatial light modulator and combined them on a diffractive combiner, to characterize the combiner and develop a fast phase error detection scheme. A key parameter of the diffractive combiner is measured in a new way, enabling an efficient combination when programming calibrated phases of each beam. This testbed provides a platform for development of advanced feedback phase control of high channel-count beam combination.

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