A Review on Rhenium Disulfide: Synthesis Approaches, Optical Properties, and Applications in Pulsed Lasers

Area of Science:

• Materials Science
• Optoelectronics
• Photonics

Background:

• Rhenium Disulfide (ReS2) is a novel 2D transition-metal dichalcogenide (TMD) with significant anisotropic optical properties.
• Its saturable absorption characteristic is key for developing advanced saturable absorber (SA) devices.
• These devices are crucial for generating ultrashort pulses in laser systems.

Purpose of the Study:

• To review the formulation of ReS2-based saturable absorbers (SAs).
• To highlight their application in generating pulsed lasers across visible, near-infrared, and mid-infrared regions.
• To discuss synthesis, integration, and laser performance for ultrafast photonics.

Main Methods:

• Formulating saturable absorbers (SAs) using Rhenium Disulfide (ReS2).
• Integrating ReS2 SAs into solid-state and fiber-type laser systems.
• Employing mode-locking or Q-switching techniques for pulsed laser generation.

Main Results:

• ReS2-based SAs enable pulsed lasers with high repetition rates and large modulation depths.
• Achieved multi-wavelength, broadband operation with low saturation intensity.
• Demonstrated femtosecond pulse generation in visible, near-infrared, and mid-infrared regions.

Conclusions:

• ReS2 is a highly effective material for developing high-performance saturable absorbers.
• ReS2-based SAs significantly advance ultrafast laser technology.
• Future research should focus on overcoming challenges to further enhance photonic applications.