研究目的
To review the recent progress in ultrafast lasers based on 2D materials as saturable absorbers, including material characteristics, fabrication techniques, nonlinear properties, and future perspectives.
研究成果
2D materials show great potential as saturable absorbers in ultrafast lasers due to their exceptional optoelectronic and nonlinear optical properties. Future directions include exploring heterostructures, new materials like MXene, antimonene, and bismuthene, hybrid saturable absorbers, and improving material parameters for ultrashort pulse generation and high energy applications.
研究不足
The review highlights the need for improving the yield of monolayer nanosheets, the modulation depth, and the recovery time of 2D materials for better performance in ultrafast lasers. It also mentions the challenges in achieving sub-100 fs pulses with 2D material saturable absorbers.
