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Title: Emulating the Deutsch-Josza algorithm with an inverse-designed terahertz gradient-index lens

Journal Article · · Optics Express
DOI: https://doi.org/10.1364/OE.495919 · OSTI ID:1996064

An all-dielectric photonic metastructure is investigated for application as a quantum algorithm emulator (QAE) in the terahertz frequency regime; specifically, we show implementation of the Deustsh-Josza algorithm. The design for the QAE consists of a gradient-index (GRIN) lens as the Fourier transform subblock and patterned silicon as the oracle subblock. First, we detail optimization of the GRIN lens through numerical analysis. Then, we employed inverse design through a machine learning approach to further optimize the structural geometry. Through this optimization, we enhance the interaction of the incident light with the metamaterial via spectral improvements of the outgoing wave.

Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0012704
OSTI ID:
1996064
Journal Information:
Optics Express, Journal Name: Optics Express Journal Issue: 18 Vol. 31; ISSN 1094-4087; ISSN OPEXFF
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

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