What question did this study set out to answer?

The study aims to develop a programmable photonic processor enabling high-resolution discrete fractional Fourier transforms for improved signal processing.

September 23, 2025Optics ExpressOpen Access

Programmable photonic processor for discrete fractional Fourier transform with π /8-order resolution

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The study aims to develop a programmable photonic processor enabling high-resolution discrete fractional Fourier transforms for improved signal processing.
Designed a programmable discrete fractional Fourier transform processor using basic transformation units (BTUs) with π/8-order resolution.
Conducted numerical analysis on assembled high-order DFrFT matrices to evaluate fidelity across 16 transformation orders.
Experimental characterization on a silicon photonic platform was performed to verify BTU performance and assembled operations.
Achieved individual BTU fidelity values exceeding 0.995 in simulation.
Demonstrated assembled high-order DFrFT matrices with fidelities greater than 0.989 across all transformation orders.
Confirmed overall DFrFT operation fidelity greater than 0.8, establishing scalability for integrated photonic systems.

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Implication

Randomized trial evaluates a programmable photonic processor for optical signal processing, suggesting significant advancements in signal analysis.

Cite This Study

Yuan et al. (2025) studied this question.

synapsesocial.com/papers/6a612e5e2004386bc7d08054 https://doi.org/10.1364/oe.570732

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Implication

Randomized trial evaluates a programmable photonic processor for optical signal processing, suggesting significant advancements in signal analysis.

Programmable photonic processor for discrete fractional Fourier transform with π /8-order resolution

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Discussion

Implication

Cite This Study

Programmable photonic processor for discrete fractional Fourier transform with π /8-order resolution

Key Points

Discussion

Implication

Cite This Study

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