Momentum Band Gap Engineering Using Noncolinear Moving Photonic Time Crystals

Key Points

• Momentum bandgaps were identified in photonic time crystals, showing potential for increased efficiency.
• Utilizing superluminal fronts in 2D media led to enhancements in the gain by optimizing the energy spectrum.
• The analysis of time reflections indicates significant improvements in the operational efficiency of photonic devices.
• The methodologies applied may provide a foundational framework for future research in photonic materials.