Ion trap laser system | Quantum computer - laser cooling
LDL/ILA/MSL/dDLC/QRF/FZW
For cooling, repumping, and optical ionization of ion traps. Multi-wavelength capability with external cavity lasers selectable from 368 to 1612 nm and high-power blue light sources.
In ion trap quantum computers and quantum sensing, multiple wavelengths of lasers are required for laser cooling, repumping, and photoionization for a single type of ion. Each laser needs to operate stably for a long time with a narrow linewidth. Our company offers a multi-wavelength laser system for ion traps. It can be configured with external cavity lasers that cover from ultraviolet to near-infrared, high-power light sources in blue and near-ultraviolet (injection-locked amplifiers and SHG), laser control equipment, and wavelength meters. The Littrow-type external cavity laser LDL has a sealed structure that is less affected by changes in atmospheric pressure and vibrations, and the laser diode can be replaced by the customer without opening the resonator. Please feel free to consult us even if you are at a stage where the configuration is not yet determined, such as "Will the necessary wavelengths be available?" or "How much power is needed?"
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basic information
■ Littrow-type External Cavity Laser LDL - Wavelength range: 368–1612nm (diode selectable) - Line width: Typically <200kHz - Mode hop-free sweep: 10–100GHz - Output: Up to 300mW (diode dependent) ■ Injection Lock Amplifier ILA - Wavelength range: 370–710nm - Output: 100mW–1W (wavelength dependent) - Examples: 370nm 100mW (Yb+) / 399nm 400mW (Yb) ■ Linear Cavity SHG System MSL - Wavelength bands: 370–445nm / 445–510nm / 510–560nm - Conversion efficiency: Over 90% proven (798nm 1.22W → 399nm 1.1W) ■ Digital Laser Diode Controller dDLC - Low noise current source, locking function ■ 4 Channel RF Synthesizer QRF - Frequency: 10–200MHz - RF ON/OFF response: <40ns ■ Fizeau Wavelength Meter FZW - Absolute accuracy: 600MHz (3σ@400-1100nm) - Measurement speed: 300 times/second (high speed) *Specifications vary by configuration and wavelength. Please contact us for details.
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Applications/Examples of results
In addition to the research and development of ion trap quantum computers, it also supports the following applications: - Laser cooling/trapping - 370nm light source for Yb+ ions - Quantum sensing - Bose-Einstein condensation (BEC) - Time/frequency standards - Spectroscopy
Detailed information
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Flow of the ion trap laser system: 1. Generate various wavelengths for cooling, etc., using a Cateye-type external cavity laser LDL. 2. Increase the output power of blue and near-ultraviolet light using an injection-locked amplifier ILA or a linear cavity-type SHG system MSL. 3. Control current and frequency locking with a digital laser diode controller dDLC. 4. Drive the AOM with a 4ch RF synthesizer QRF for fast control of light on/off and frequency. 5. Monitor the wavelength with a Fizeau wavelength meter FZW. * The configuration allows for the addition of lasers according to the number of required wavelengths.
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Company information
Santec has been manufacturing optical components, laser products, and optical measuring instruments for over 40 years, responding to the stringent quality demands of our customers in the optical industry. Additionally, by constantly seeking innovation and meeting customer requests, Santec has introduced numerous new optical-related products to the market. Our journey towards the creation of the ideal world of light, "OPTOPIA," which is our management philosophy, also involves minimizing the timeline from product concept to commercialization.
