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In this talk, I will discuss different PCMs that can be used in conjunction with silicon and silicon nitride photonics, to create reconfigurable optical switches for visible and infrared wavelengths. I will also talk about different heaters that are needed to actuate the phase transitions on-chip. Specifically, I will show how using ultrathin graphene as a heater element can provide very high energy-efficiency, close to the fundamental limit set by thermodynamics.
Arka Majumdar
"Nonvolatile programmable photonics", Proc. SPIE PC12890, Smart Photonic and Optoelectronic Integrated Circuits 2024, PC128900U (9 March 2024); https://doi.org/10.1117/12.2688429
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Arka Majumdar, "Nonvolatile programmable photonics," Proc. SPIE PC12890, Smart Photonic and Optoelectronic Integrated Circuits 2024, PC128900U (9 March 2024); https://doi.org/10.1117/12.2688429