Read here about Cycle’s amazing journey!

March 2015
Foundation of Cycle GmbH as a spin-off of DESY and University of Hamburg out of the Ultafast Optics and X-rays Group headed by F. X. Kärtner
February 2016
Supported by Public Funding by IFB Hamburg and the Helmholtz Association, as well as investments by Tybo Investment, Investitions- and Förderbank Hamburg (IFH) and High Tech Gründer Fond (HTGF) Cycle commercializes industrial grade femtosecond precision pulsed timing solutions.
September 2017
Installation of China’s first sub-femtosecond timing distribution system at the Dalian Coherent Light Source
February 2019
Cycle moves into DESY’s Innovation Village with all fellow start-ups at DESY
June 2019
Innovation Award for Biophotonics and Medical Engineering was awarded to Cycle’s femtosecond laser SOPRANO for Multiphoton Microscopy at the LASER – World of Photonics in Munich
November 2019
Cycle signs contract to build the pulsed timing distribution system for world’s first 100 PW Laser System SEL of Shanghai Insitute of Optics and Fine Mechanics in China.
September 2020
Cycle awarded ESA contract to build next generation Frequency and Timing Distribution System

Our Vision

»We are producing world-leading timing equipment that synchronizes RF and optical equipment to each other with sub-femtosecond resolution.«

Our Team

At Cycle GmbH an experienced and creative team of scientists, engineers and technicians helps to solve your most challenging synchronization, timing and femtosecond laser problems ranging from a unique standardized set of synchronization and timing products to customized one of a kind solutions for large-scale photon science facilities

Petra Kaertner Office Manager
Petra Kärtner
Office Manager
Prof. Franz X. Kärtner
Daniel Seiler CEO Cycle GmbH
Daniel Seiler
Chief Executive Officer
Dr. Kemal Shafak
Timing and Synchronization Expert
Anan Dai
Anan Dai
Optical Systems Engineer