Related Experiment Video
Updated: Jul 5, 2026
13:02
Fabrication of 1-D Photonic Crystal Cavity on a Nanofiber Using Femtosecond Laser-induced Ablation
Published on: February 25, 2017
Linear cavity Brillouin fiber laser with improved characteristics
M R Shirazi1, S W Harun, M Biglary
1Department of Physics, Photonics Research Center, University of Malaya, 50603 Kuala Lumpur, Malaysia. behshirazi@yahoo.com
Optics Letters
|April 17, 2008
Summary
This study demonstrates a high-efficiency linear cavity Brillouin fiber laser (BFL) configuration. The novel setup achieves higher peak power than conventional designs, even exceeding the Brillouin pump power under specific conditions.
Area of Science:
- Photonics
- Laser Physics
- Optical Engineering
Background:
- Brillouin fiber lasers (BFLs) are crucial for various optical applications.
- Conventional linear cavity BFLs face limitations in efficiency and output power.
- Optimizing BFL configurations is essential for advancing laser technology.
Purpose of the Study:
- To demonstrate a novel configuration for high-efficiency linear cavity Brillouin fiber laser (BFL) generation.
- To investigate the performance enhancement of the proposed BFL setup.
- To explore conditions for achieving BFL peak power exceeding the Brillouin pump power.
Main Methods:
- Utilized a standard single-mode fiber, two optical circulators, a 3 dB coupler, and a 95/5 coupler.
- Employed a Brillouin pump (BP) with a power of 13 dBm.
- Analyzed laser peak power relative to the BP wavelength and power.
Main Results:
- Achieved a 12.3 dB higher laser peak power compared to conventional linear cavity BFLs.
- Observed an upshifted wavelength of 0.086 nm from the BP wavelength.
- Demonstrated that BFL peak power can surpass transmitted BP peak power above the second Brillouin Stokes threshold.
Conclusions:
- The proposed linear cavity BFL configuration offers significantly enhanced efficiency and peak power.
- This advancement is particularly notable at an upshifted wavelength relative to the Brillouin pump.
- The findings pave the way for more powerful and efficient fiber laser systems.
