Typical applications Sr

Sr

Precilasers' narrow linewidth high-power lasers cover wavelengths from ultraviolet to infrared, and can provide lasers of various wavelengths for the excitation of Rydberg atoms, realizing quantum computing based on strontium Rydberg atoms and strontium atomic optical clocks. Quantum computing based on strontium atoms Rydberg requires narrow linewidth lasers of various wavelengths for cooling, trapping and manipulating atoms, as shown in the following figure [1]

 

High-power, low-noise lasers for optical tweezers

Real photos
Wavelength
Power
Introduction
Features

2-25W
Used for strontium atomic clocks and Rydberg atoms, magic wavelength. Realized by frequency combination of erbium-doped fiber laser and thulium-doped fiber laser
  • High power
  • Low intensity noise
  • Never mode hop
 

Narrow linewidth lasers for quantum state manipulation and excitation of atoms

In order to achieve a laser covering multiple wavelengths from the ground state to the excited state of strontium atoms, Precilasers has launched a widely tunable laser that perfectly combines the wide tuning characteristics of external cavity semiconductor lasers and the high power characteristics of fiber amplifiers.
Real photos
Wavelength
Power
Introduction
Features
0.3-2W
Ytterbium-doped fiber DFB and erbium-doped fiber lasers generate high-power 634nm lasers, and then resonant frequency doubling generates high-power 317nm lasers
  • Tuning range>350GHz
  • Long life
  • High power
0.05-6W
Frequency quadrupling of thulium-doped fiber lasers
  • High power
  • Never mode hop
  • Excellent beam quality
  • High frequency stability
0.5-8W
Ytterbium-doped fiber DFB and Thulium-doped fiber DFB sum frequency realization
  • High power
  • Never mode hop
  • Excellent beam quality
  • High frequency stability

 

Widely tunable lasers

In order to achieve a laser covering multiple wavelengths from the ground state to the excited state of strontium atoms, Precilasers has launched a widely tunable laser that perfectly combines the wide tuning characteristics of external cavity diode lasers and the high power characteristics of fiber amplifiers.
Real photos
Wavelength
Power
Introduction
Features
0.3-2W
Ytterbium-doped fiber DFB and erbium-doped fiber lasers generate high-power 634nm lasers by frequency doubling, and then resonant frequency doubling generates high-power 317nm lasers. One of the seed lasers is a wide-tuned laser, which achieves ultra-wide tuning output.
  • Tuning range±1nm
  • High power
  • Long life
 
 

Frequency Stabilization and Other Accessories

The excitation of the Rydberg state of cesium atoms requires that the laser wavelength be accurately aligned with the transition spectrum of the atom and that the wavelength be kept stable for a long time. Precilasers has also launched corresponding frequency stabilization solutions.
Real photosnameFrequency stabilityIntroductionFeatures
Hertz level ultra-stable laser system<0.5Hz/50Hz
Based on the PDH frequency stabilization method, the laser is locked to a high-precision and portable ultra-stable laser system to achieve the narrowing of the laser line width.
  • Ultra-high frequency stability
  • Narrow linewidth
  • Portable
 
[1] Ma, S., Liu, G., Peng, P.et al.High-fidelity gates and mid-circuit erasure conversion in an atomic qubit.Nature622, 279–284 (2023).