MCLS
Modular clock laser system
(Un-)lock the full potential of quantum technologies with ultra-stable laser systems
MCLS
Modular clock laser system
Industrial 19" rack integratable ultra-stable lasers with low phase noise are a key enabling technology for future quantum technologies. These technologies rely on addressing narrow-linewidth clock transitions and therefore require laser systems with sub-Hz linewidth and high stability even in out-of-the lab conditions. We at TOPTICA want to provide you with the necessary ultra-stable sub-Hz laser system. (so that you can focus on your research.) . Our ultra-stable lasers yield highest frequency stability far beyond 1 second integration time to drive the very narrow atomic clock transitions in neutral atoms like Yb, Sr and ions like Yb+, Sr+, Ca+ and Ba+.
TOPTICA´s clock laser systems are diode lasers whose linewidth is reduced to less than 1 Hz via frequency stabilization to high-finesse optical ULE cavities. For wavelengths between 670 nm and 1762 nm, TOPTICA’s MDL pro or amplified MTA pro lasers are directly locked to the ULE cavity. For wavelengths below 670 nm, the fundamental laser light is first stabilized to the ULE cavity and then frequency doubled via second harmonic generation (SHG). The MCLS' robust design, excellent passive shielding and active vibration compensation make it resilient towards external acoustic and seismic vibrations. A high-end temperature stabilization system guarantees highest stability towards temperature fluctuations. The complete system is controlled with one interface which is hosted by the DLC pro and can be accessed with the PC GUI TOPAS. The complete system is controlled with one interface which is hosted by the DLC pro and can be accessed with the PC GUI TOPAS.
Your Benefits
Exceptional frequency stability (for elevated optical clock performance)
The MCLS provides exceptional frequency stability to address optical narrow-linewidth transitions.
Made for industrial 19” rack integration
The MCLS is mounted in a metal-tray system, ensuring long-term stability, and can be housed in a 19" rack. Ideal for TOPTICA's T-RACK.
Long coherence time for high qubit fidelity
Optical qubit coherence times of >1s have already been demonstrated with the MCLS.
All wavelengths / dual wavelengths
By using our well-established ECDL diode lasers together with our non-linear frequency conversion, we can offer all-in-one solutions from TOPTICA at many wavelengths, including 435 nm (Yb+, MCLS at 871 nm + SHG), 578 nm (neutral Yb, MCLS at 1156 + SHG), 674 nm (Sr+), 698 nm (neutral Sr), 729 nm (Ca+), 1550 nm (MDFC and Er+) and 1762 nm (Ba+), Even dual-wavelengths are possible, e.g. 840/1013nm.
Options
CLS FNC
The fiber noise cancellation (FNC) module compensates phase noise that is acquired in optical fibers along the optical path.
CLS Bridge
The CLS Bridge module allows to shift the output frequency of the CLS to a customized target frequency. Besides, it allows for linear frequency ramps and can therefore be used to compensate for linear cavity drifts.
CLS Seismic+
The CLS Seismic+ option is recommended for critical environments. It integrates a real-time seismic sensor to further enhance the isolation performance of the CLS-HFC pro and MCLS-HFC pro, extending down to frequencies as low as 0.2 Hz.
CLS IR Camera
The CLS IR Camera facilitates monitoring the optical cavity transmission via a camera to easily identify the geometry of the electro-magnetic mode oscillating in the cavity. This option only needs to be purchased for CLS wavelengths > 1000nm. For wavelengths < 1000nm, the camera is part of the CLS High-Finesse Cavity Package by default.
Downloads
Literature
Whitepaper
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Design, implementation, and performance of CLS
Florian Schäfer, Dewni Pathegama, Filippo Bregolin