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Wavelength-tunable all-fiber mode-locked laser based on supermode interference in a seven-core fiber
- Source :
- Applied optics. 57(23)
- Publication Year :
- 2018
-
Abstract
- A wavelength-tunable all-fiber mode-locked erbium-doped fiber laser has been proposed and realized by using a supermode interference filter (SMIF). The SMIF is fabricated by splicing a segment of seven-core fiber (SCF) to two standard single-mode fibers. Since two supermodes of the propagating light are excited in the SCF, the transmission spectrum of the SMIF shows a clean broadband comb-shape characteristic. By bending the SMIF in the proposed mode-locked laser, the output spectrum can be continuously tuned in a wavelength range up to 22 nm while keeping mode-locking operation. The self-starting laser produces 230 fs pulses with a spectral width of 14 nm.
- Subjects :
- Interference filter
Materials science
business.industry
Physics::Optics
02 engineering and technology
021001 nanoscience & nanotechnology
Laser
01 natural sciences
Atomic and Molecular Physics, and Optics
law.invention
010309 optics
SMIF
Core (optical fiber)
Optics
Fiber Bragg grating
Interference (communication)
law
Fiber laser
0103 physical sciences
Spectral width
Electrical and Electronic Engineering
0210 nano-technology
business
Engineering (miscellaneous)
Subjects
Details
- ISSN :
- 15394522
- Volume :
- 57
- Issue :
- 23
- Database :
- OpenAIRE
- Journal :
- Applied optics
- Accession number :
- edsair.doi.dedup.....d6c307587dc44dadbb093844b3f8a8c9