Related Experiment Video
Updated: Feb 6, 2026

10:21
Multicolor Fluorescence Detection for Droplet Microfluidics Using Optical Fibers
Published on: May 5, 2016
11.3K
Saturable absorber based on the CS2-filled dual-core fiber coupler
Optics Express
|August 23, 2018
Summary
This study shows that carbon disulfide (CS2)-filled fiber couplers can act as efficient saturable absorbers (SAs) for mode-locking lasers. These SAs offer low power requirements and enable self-similar or dissipative soliton operations.
Area of Science:
- Nonlinear Optics
- Fiber Optics
- Laser Physics
Background:
- Saturable absorbers (SAs) are crucial for mode-locking fiber lasers.
- Achieving low-power, short-fiber SAs with high nonlinearity is desirable.
- Carbon disulfide (CS2) exhibits significant nonlinear optical properties.
Purpose of the Study:
- To investigate the potential of CS2-filled dual-core fiber couplers as saturable absorbers.
- To explore their performance in single-mode operation, dispersion characteristics, and nonlinearity.
- To evaluate their suitability for mode-locking fiber lasers.
Main Methods:
- Numerical simulations were employed to analyze the performance of the CS2-filled dual-core fiber coupler.
- Parameters were optimized to achieve desired optical properties.
- The role of stimulated Raman scattering (SRS) in nonlinearity-induced saturation was examined.
Main Results:
- The CS2-filled dual-core fiber coupler demonstrated single-mode operation, normal dispersions, low loss, and high nonlinearities at 1550 nm and 2000 nm.
- Effective nonlinearity-induced saturation was achieved with short fiber lengths and low optical power.
- Stimulated Raman scattering (SRS) was identified as a key factor in the saturation process.
Conclusions:
- CS2-filled dual-core fiber couplers can function as effective saturable absorbers (SAs).
- These SAs are suitable for low-power, short-fiber applications in mode-locking lasers.
- The developed SAs can support both self-similar (SS) and dissipative soliton (DS) operations in fiber lasers.
Related Concept Videos
Solution Equilibrium and Saturation
22.0K
Imagine adding a small amount of sugar to a glass of water, stirring until all the sugar has dissolved, and then adding a bit more. You can repeat this process until the sugar concentration of the solution reaches its natural limit, a limit determined primarily by the relative strengths of the solute-solute, solute-solvent, and solvent-solvent attractive forces. You can be certain that you have reached this limit because, no matter how long you stir the solution, undissolved sugar remains. The...
22.0K
The Nucleosome Core Particle
14.5K
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
The paradox
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
14.5K
The Nucleosome Core Particle
2.4K
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins.
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their primary aim is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. On the other hand, they must allow polymerase enzymes to access histone-bound DNA during...
2.4K
Classification of Skeletal Muscle Fibers
59.5K
Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
59.5K
Special considerations while measuring oxygen saturation
996
Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is...
996
Fiber Reinforced Concrete
407
Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
407

