P R O D U C T S
1695-2140nm Fiber DFB laser
Precilasers' narrow linewidth thulium-doped fiber DFB laser is realized by writing fiber gratings on thulium-doped fiber, which can achieve the full range of 1695-2140nm. It is widely used in quantum computing, for example, 1762nm can be used in quantum computing systems based on Ba+.
Features
- Narrow Line Width
- Tunable
- Linear Polarization
- Continuous Laser
Application
- Ba+ Quantum Computing
- Quantum Computing
- Quantum Precision Measurement
Main parameters
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Specification |
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Partnumber |
FL-SF-XXXX-S(1) |
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Wavelength Optional Range |
1695-2140nm |
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Frequently Used Wavelengths |
1762nm |
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Output Power |
＞10mW@>1695nm |
＞5mW@>2050nm |
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Tuning Range (Temperature) |
＞1nm，Never Mode-hop |
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Output Mode |
Single-mode polarization-maintaining fiber，FC/APC connector |
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Linewidth（2）（100us integration time） |
＜5kHz(3) |
＜10kHz |
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Polarization Extinction Ratio（PER） |
＞23dB |
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Power Stability（3 Hour RMS） |
＜0.75% |
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Beam Quality |
M2＜1.05 |
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Intensity Noise (10Hz-10MHz integration) |
＜0.05% |
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Intensity Noise（10MHz) |
＜-140dBc/Hz |
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Intensity Noise（Peak） |
＜-130dBc/Hz |
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Relaxation Oscillation Peak Frequency |
＜1MHz |
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PZT Tuning Range |
＞3GHz |
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PZT Tuning Bandwidth |
＞5kHz |
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Cooling |
Air Cooling |
Water Cooling |
(1) XXXX represents the integer part of the central wavelength, for example, a seed laser of 1762.00 nm is model FL-SF-1762-S.
(2) Fiber delay self-heterodyne beat frequency measurement
(3) Narrow line width options, 1730-2100nm has such options
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Options |
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AOM Options |
Adding AOM and VCO driver between seed and amplifier enables 500kHz tuning bandwidth and >±5MHz tuning range |
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Other Parameters |
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Cooling |
Air Cooling |
Water Cooling |
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Weight |
＜9kg |
＜15kg |
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Operating Temperature |
15℃-30℃ |
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Power Consumption |
＜70W |
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Powered By |
100V-220V, AC, 50Hz |
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Higher power, more wavelengths, customizable solutions
