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Room-temperature multiwavelength erbium-doped fiber ring laser employing sinusoidal phase-modulation feedback
Kejiang Zhou1, Dongyun Zhou, Fengzhong Dong
1Photonics Laboratory 1, School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798. ekjzhou@ntu.edu.sg
Optics Letters
|June 21, 2003
Summary
Researchers developed a room-temperature multiwavelength fiber laser. Sinusoidal phase modulation in the ring cavity enables simultaneous lasing at 0.5-nm intervals, preventing single-wavelength output.
Area of Science:
- Photonics and Optics
- Laser Physics
- Fiber Optics
Background:
- Fiber ring lasers typically operate at a single wavelength.
- Achieving stable multiwavelength operation in fiber lasers is challenging.
- Controlling oscillation modes is crucial for multiwavelength laser design.
Purpose of the Study:
- To demonstrate an effective method for achieving room-temperature multiwavelength operation in an erbium-doped fiber ring laser.
- To investigate the use of sinusoidal phase modulation for controlling laser output.
- To achieve simultaneous lasing at specific wavelength intervals.
Main Methods:
- Utilizing an erbium-doped fiber ring cavity.
- Implementing sinusoidal phase modulation within the ring cavity.
- Conducting experimental and theoretical analysis of laser performance.
Main Results:
- Successful achievement of simultaneous multiwavelength lasing.
- Stable operation at 0.5-nm wavelength intervals.
- Demonstrated effectiveness of phase modulation in preventing single-wavelength oscillation.
Conclusions:
- Sinusoidal phase modulation is an effective technique for enabling room-temperature multiwavelength operation in erbium-doped fiber ring lasers.
- The proposed method allows for precise control over lasing modes, leading to stable, multiwavelength output.
- This technique offers a practical approach for developing advanced fiber laser systems.