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Quantum technology

The emerging field of quantum technology promises radical developments in a variety of areas, including metrology, cyber security, and computing.

Machinery in a Physics Lab.webp

Lasers for quantum technology

Already many organizations rely on atomic clocks for their most accurate measurements of time and there is a large scale movement to take quantum gravimeters out of the lab and into the field in order to monitor ice sheets and magma flow in volcanoes.


The possible applications are widespread. The industrial cost for oil exploration companies to find one leak within thousands of miles of pipe running at the bottom of the sea is exorbitant. GPS is now used every day in cars, phones, or most recently in IoT smart devices. But what happens if you enter a long tunnel, or want to dig deep underground?


Current technologies lack the accuracy required to help you navigate in such circumstances but ‘Positioning, Navigation, and Timing’, or PNT for short, is one of the key technologies being developed as research into Quantum Technologies progresses.


Quantum technologies concentrate on the use of precisely stabilized particles or atoms, whereby knowing the properties of these atoms help us improve measurement accuracies of time and space. In order to be able to interact with these atoms, they first need to be slowed down, or ‘cooled’, so that they can be examined more thoroughly. For both cooling atoms and examining them, highly coherent light is used, such as a diode-pumped solid-state (DPSS) laser.


In quantum applications, the narrower the linewidth of the source, the better the signal that can be expected from the atoms. It is also important to choose wavelengths that are relevant to the atom to be trapped.


With the development and miniaturization of optical lattice clocks, GPS accuracies below the millimeter scale can be achieved. Due to the precision of these devices, they are also expected to be self-sustaining, omitting the need for constant satellite communications. Quantum sensors, another branch of QT applications, have the potential to improve current gravimetry and magnetometry applications, both of which can be utilized to detect underground structures or even find objects in the deep sea.


Skylark works closely with the quantum industry to supply ultra-narrow linewidth, high power lasers at the specific wavelengths related to the exact atomic transitions targeted for these applications, including at 780.24 nm for Rubidium, as well as 689, 698.4 and 813.42 nm for Strontium. Our technology ensures unrivalled power and wavelength stability during prolonged operation.


Skylark has a track-record of successful collaborations with industrial and academic partners working towards QT applications, such as ‘MINUSQULE’, ‘Pioneer Gravity’, or ‘QT Assemble’ consortium project. For more on these industry collaborations, visit our Quantum page.

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