研究目的
Investigating large energy dissipative soliton resonance (DSR) pulse generation in a simple linear cavity Tm3+-doped fiber laser (TDFL) using semiconductor saturable absorption mirror (SESAM) as saturable absorber (SA).
研究成果
The study successfully demonstrates DSR mode-locked operation in a simple linear cavity TDFL with SESAM SA, achieving high pulse energy with dispersion management. The results provide a method to develop large energy TDFLs.
研究不足
The study is limited to a specific setup with SESAM as SA and UHNA4 fiber for dispersion management. The pulse energy and duration are dependent on the pump power and dispersion parameters.
1：Experimental Design and Method Selection:
The study utilizes a simple linear cavity Tm3+-doped fiber laser with SESAM as SA and UHNA4 fiber for dispersion compensation.
2：Sample Selection and Data Sources:
The gain fiber is a 4 m long Tm3+-doped double clad fiber with peak cladding absorption of 3 dB/m at 793 nm.
3：List of Experimental Equipment and Materials:
Includes a 793 nm/4 W LD, SESAM, UHNA4 fiber, and a fiber Bragg grating (FBG).
4：Experimental Procedures and Operational Workflow:
The pump source is coupled into the gain fiber, and the laser operation wavelength is selected by a FBG. The output is monitored by various instruments.
5：Data Analysis Methods:
The output performance is analyzed using an oscilloscope, RF spectrum analyzer, optical spectrum analyzer, and power meter.
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semiconductor saturable absorption mirror
SAM-1960-18-10 ps
Batop
Used as a saturable absorber in the fiber laser for mode-locking operation.
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Tm3+-doped double clad fiber
SM-TDF-10P/130-HE
Nufern
Used as the gain medium in the fiber laser.
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ultra-high numerical aperture 4 fiber
UHNA4
Used for dispersion compensation in the fiber laser.
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fiber Bragg grating
Used to select the laser operation wavelength.
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793 nm laser diode
Used as the pump source for the fiber laser.
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oscilloscope
Used to monitor the output laser.
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radio frequency spectrum analyzer
Used to analyze the RF spectrum of the output laser.
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photodetector
818-BB-51F
Newport
Used to detect the output laser.
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optical spectrum analyzer
Used to analyze the optical spectrum of the output laser.
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power meter
Used to measure the power of the output laser.
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