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Advances in Photonic Devices Based on Optical Phase-Change Materials
Xiaoxiao Wang1, Huixin Qi1, Xiaoyong Hu1,2,3
1Collaborative Innovation Center of Quantum Matter & Frontiers Science Center for Nano-Optoelectronics, State Key Laboratory for Mesoscopic Physics & Department of Physics, Beijing Academy of Quantum Information Sciences, Peking University, Beijing 100871, China.
Molecules (Basel, Switzerland)
|June 2, 2021
Summary
Phase-change materials (PCMs) offer rapid, reversible optical property changes for reconfigurable photonic devices. These materials show great potential for integrated photonic chips and future intelligent systems.
Area of Science:
- Photonics
- Materials Science
- Nanotechnology
Background:
- Phase-change materials (PCMs) are crucial photonic materials.
- They exhibit rapid, reversible phase transitions with distinct optical properties.
- PCMs offer scalability and nonvolatility for photonic applications.
Purpose of the Study:
- To review recent advancements in PCMs for photonic devices.
- To discuss the potential of PCMs in integrated photonic circuits.
- To explore future prospects and challenges for PCMs in intelligent photonic systems.
Main Methods:
- Overview of PCM phase transition mechanisms and models.
- Review of theoretical proposals and experimental demonstrations of PCM-based reconfigurable photonic devices.
- Analysis of PCM integration with other material platforms.
Main Results:
- PCMs enable dynamic regulation in reconfigurable photonic devices.
- PCMs are integrated into on-chip photonic circuits, including optical switches, logic gates, and modulators.
- Photonic neural networks represent a key application area for PCMs.
Conclusions:
- PCMs are vital for advancing integrated photonic chips.
- Their unique properties drive innovation in optical switching, logic, and modulation.
- PCMs are poised for widespread application in future intelligent photonic systems.
