Quantum 2025 – wissenschaftliches Programm

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WED-ID: Industry Day

WED-ID 7: Quantum Enabling II

WED-ID 7.1: Vortrag

Mittwoch, 10. September 2025, 15:10–15:30, ZHG104

Enabling Robust Quantum Technologies - Compact Fiber Optics With Highest Thermal Stability — •Tobias Kroker — Schäfter + Kirchhoff GmbH, Hamburg, Germany

Quantum technologies are on the cusp of moving from laboratory experiments to commercial applications. This poses new requirements on the scalability, thermal stability, and wavelength range of fiber optic systems used to transport, distribute, and modulate laser light.

As an experienced manufacturer in the field, Schäfter + Kirchhoff GmbH develops and produces fiber optic solutions ranging from specialty fiber cables and fiber couplers to complex optomechanical light distribution and modulation units.

Here we report on new developments in compact fiber-coupled optomechanical systems for light distribution and modulation. These systems exhibit such high thermal stability that they can be reliably used in an un-climatized environment, which is tested by harsh thermal cycles in a climatic chamber. This is a crucial step for quantum technologies to leave the optical laboratory.

In addition, active components such as acousto-optic modulators are gradually increasing the functionality of these devices. As a result, they enable the miniaturization and scalability of complex optical systems, making them attractive for quantum computers and technologies being built around the world.

Keywords: Fiber Optics; Optical Fibers; Light Distribution Systems; Enabling Technologies; Quantum Technologies