Energy and entropy currents for nanoscaled optoelectronics

Fabienne Velia Michelini; Katawoura Beltako; Adeline Crépieux

doi:10.1117/12.2212592

14 March 2016 Energy and entropy currents for nanoscaled optoelectronics

Fabienne Velia Michelini, Katawoura Beltako, Adeline Crépieux

Proceedings Volume 9743, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V; 974305 (2016) https://doi.org/10.1117/12.2212592
Event: SPIE OPTO, 2016, San Francisco, California, United States

Abstract

Energetic and entropic issues are theoretically addressed in quantum optoelectronic nanodevices. We rely on the nonequilibrium Green's function methodology to provide a framework which combines optoelectronics and thermodynamics in a unified picture of energy conversion for nanoscaled optoelectronics. Indeed, we follow the self-consistent Born approximation to derive the formal expressions of energy and entropy currents owing inside a nanodevice only interacting with light. These expressions are numerically evaluated in a quantum-dot based nanodevice, where verification of the second law of thermodynamics raises questioning about the system model. We here put the focus on the spontaneous emission energy current to discuss the question.

Citation Download Citation

Fabienne Velia Michelini, Katawoura Beltako, and Adeline Crépieux "Energy and entropy currents for nanoscaled optoelectronics", Proc. SPIE 9743, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V, 974305 (14 March 2016); https://doi.org/10.1117/12.2212592

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