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Researchers have demonstrated a room-temperature, on-chip programmable valley optoelectronic circuit that successfully generates and routes chiral photons with 0.97 polarization selectivity. By integrating meta-waveguides with transition metal dichalcogenides, this breakthrough bridges a critical gap in lightwave valleytronics, enabling scalable, compact optical information processing. The work establishes a direct link between light polarization and material valley properties, laying the groundwork for advanced light-driven electronics and quantum technologies.

Source coveringQuantum Zeitgeist

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Li and Xing Demonstrate Programmable Valley Optoelectronic Circuit

Quantum ZeitgeistMay 27, 20263 min read

Researchers built a hybrid nanocircuit integrating meta-waveguides with transition metal dichalcogenides, addressing a key challenge in fully.

Researchers created an on-chip programmable valley optoelectronic nanocircuit, integrating photodetectors with transition metal dichalcogenides to address a longstanding challenge in the field. The circuit achieves in situ generation, selective routing, and electrical readout of valley-dependent chiral photons, a feat previously unresolved, and demonstrates a direct link between light polarization and a material property called “valley.” At room temperature,…

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