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Cryogenic thermo-optic response of low-loss phase change material for non-volatile photonic phase shifter
Marcus Tamura, Chuanyu Lian, Hongyi Sun +8
Phase change materials (PCMs) can enable non-volatile optical memory through the large refractive index and extinction coefficient contrast between crystalline and amorphous states…
Ultra-Thin Aluminum-Doped Silver for Transmissive Thermally Reconfigurable Visible Photonics
Hongyi Sun, Yi-Siou Huang, Junyeob Song +7
Functional materials with high electrical conductivity and optical transmittance are vital for thermally tunable free-space photonic systems. Conventional transparent conductors su…
High-Speed Multifunctional Photonic Memory on a Foundry-Processed Photonic Platform
Sadra Rahimi Kari, Marcus Tamura, Zhimu Guo +9
The integration of computing with memory is essential for distributed, massively parallel, and adaptive architectures such as neural networks in artificial intelligence (AI). Accel…
Reconfigurable inverse designed phase-change photonics
Changming Wu, Ziyu Jiao, Haoqin Deng +5
Chalcogenide phase-change materials (PCMs) offer a promising approach to programmable photonics thanks to their nonvolatile, reversible phase transitions and high refractive index…
Freeform Direct-write and Rewritable Photonic Integrated Circuits in Phase-Change Thin Films
Changming Wu, Haoqin Deng, Yi-Siou Huang +4
Photonic integrated circuits (PICs) with rapid prototyping and reprogramming capabilities promise revolutionary impacts on a plethora of photonic technologies. Here, we report dire…
Nonvolatile Tuning of Bragg Structures Using Transparent Phase-Change Materials
Nicholas A. Nobile, Chuanyu Lian, Hongyi Sun +7
Bragg gratings offer high-performance filtering and routing of light on-chip through a periodic modulation of a waveguide's effective refractive index. Here, we model and experimen…
Tunable Structural Transmissive Color in Fano-Resonant Optical Coatings Employing Phase-Change Materials
Yi-Siou Huang, Chih-Yu Lee, Medha Rath +6
Reversible, nonvolatile, and pronounced refractive index modulation is an unprecedented combination of properties enabled by chalcogenide phase-change materials (PCMs). This combin…