Unitary control of photonic absorption and emission

Cheng Guo; Shanhui Fan

doi:10.1117/12.3004842

13 March 2024 Unitary control of photonic absorption and emission

Cheng Guo, Shanhui Fan

Author Affiliations +

Proceedings Volume 12902, Photonic Heat Engines: Science and Applications VI; 1290204 (2024) https://doi.org/10.1117/12.3004842
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Unitary control changes the optical absorption and emission of an object by transforming the external modes. We answer two basic questions: Given an object, what absorptivity, emissivity, and their difference are attainable via unitary control? How to obtain given absorptivity, emissivity, and their difference? We show that both questions can be answered using the mathematics of majorization.

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(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Cheng Guo and Shanhui Fan "Unitary control of photonic absorption and emission", Proc. SPIE 12902, Photonic Heat Engines: Science and Applications VI, 1290204 (13 March 2024); https://doi.org/10.1117/12.3004842

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