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Q: Fachverband Quantenoptik und Photonik
Q 32: Precision Measurements and Metrology (Optical Clocks)
Q 32.2: Vortrag
Mittwoch, 11. März 2020, 14:15–14:30, a310
Quintupling of a laser at telecom wavelength — •Maya Büki, David Röser, and Simon Stellmer — Physikalisches Institut, Universität Bonn, Nussallee 12, 53115 Bonn
The demand for highly accurate frequency standards has lead to the development and improvement of optical clocks. For a broad spectrum of applications, also outside of the laboratory, an improvement of already existing optical clocks is required. The 1S0−3P0 transition in zinc could form the basis of such a novel optical clock.
The advantage of zinc is that the clock transition at 309.5 nm and the intercombination line 1S0−3P1 at 307.6 nm can be derived as the fifth harmonic of a laser at telecom C-Band wavelength, which allows transfer of the clock signal via optical fibres.
We report on the development of a frequency quintupled diode laser at 1538 nm using three frequency conversion stages in nonlinear crystals.