Ytterbium ion quantum computing and optical clock applications Yb ⁺
PerciLasers' narrow-linewidth high-power lasers cover wavelengths from ultraviolet to infrared, and can provide lasers of various wavelengths for the excitation of ytterbium ions, realizing ytterbium ion-based quantum computing and ytterbium ion optical clocks.
Ytterbium ion quantum computing and optical clocks require narrow linewidth lasers of various wavelengths for cooling, trapping, and manipulating atoms.
High power low noise laser for optical tweezers
Real photos | wavelength | power | Solution Overview | Features |
| 759nm | 1.5W-10W | Used in ytterbium atomic optical clocks, magic wavelength. Achieved by frequency summing of two low-noise lasers |
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| 486.78nm | 2.5W | Used for Ytterbium atom Rydberg, magic wavelength, optical tweezers. Realized by thulium-doped fiber laser and frequency quadrupling. |
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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 ytterbium atoms, PerciLasers 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 | Solution Overview | Features |
| 556nm | 1.5W-10W | 1112nmFrequency doubling with Ytterbium-doped fiber DFB |
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| 369nm | 20mW/40mW | 1108nmFrequency Triple Reduction in Ytterbium-Doped Fiber DFB |
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| 302nm |
| The 1974nm thulium-doped fiber DFB laser is frequency-doubled to produce a 987nm laser. The 1555nm fixed external cavity semiconductor laser seed passes through an erbium-doped fiber amplifier and then frequency-doubles with the 987nm laser to produce a 604nm laser. After cavity frequency doubling, a high-power 302nm laser is produced. |
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| 770nm | 0.2-20W |
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| 649nm |
| Sum frequency scheme implementation |
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| 1539nm | 10mW-40W | The 1539nm fixed external cavity semiconductor laser seed is directly output after passing through the erbium-doped fiber amplifier |
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| 399nm | 40mW-1.5W | The probe light of ytterbium atoms. The 1596nm fiber DFB laser can generate a high-power 798nm laser after single-pass frequency doubling. The 798nm single-pass frequency doubling can output 40mW of 399nm laser. For higher power, cavity frequency doubling is required to generate a 399nm laser with a maximum power of 1.5W. |
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| 578nm | 0.8W | Ytterbium atomic clock laser. The 1734nm thulium-doped fiber DFB laser triples the frequency output to obtain a narrow linewidth 578nm laser output. |
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| 578nm | 2W | The 1156nm fiber DFB seed laser passes through a low-noise Raman amplifier and then outputs 2W of 578nm laser light in a single pass. |
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| 1389nm | 10mW-3W | Used for Ytterbium atomic optical clock. The 1389nm fixed external cavity semiconductor laser is output after passing through the Raman amplifier. |
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Widely tunable lasers
In order to achieve a laser covering multiple wavelengths from the ground state to the excited state of ytterbium atoms, PerciLasers 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 | Solution Overview | Features |
| 302nm | 0.3W-1W | The 1974nm thulium-doped fiber DFB laser is frequency-doubled to produce a 987nm laser. The 1555nm wide-tuned external cavity semiconductor laser seed passes through an erbium-doped fiber amplifier and then frequency-doubles with the 987nm laser to produce a 604nm laser. After cavity frequency doubling, a high-power 302nm laser is produced. |
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Frequency Stabilization and Other Accessories
The excitation of the Rydberg state of ytterbium 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. PerciLasers has also launched corresponding frequency stabilization and other solutions.
Real photos | wavelength | power | Solution Overview | Features |
| 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. |
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| Modulation transfer frequency stabilization system | <±100kHz@24hrs | Based on all-fiber modulation transfer frequency stabilization scheme, the laser frequency is locked to the transition spectrum of rubidium atoms |
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| Saturation absorption frequency stabilization system | <±150kHz@24h | Based on the all-fiber saturation absorption frequency stabilization scheme, the laser frequency is locked to the transition spectrum of the rubidium atom |
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| EIT frequency stabilization | <±800kHz@24h | The all-fiber EIT frequency stabilization scheme locks the laser frequency to the transition spectrum of the rubidium atom |
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[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).