Optical frequency combs from ultrafast solid-state and semiconductor lasers
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Date
2020-08-24
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Other Conference Item
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Abstract
A fully stabilized optical frequency comb provides equally spaced frequencies for a precise ruler in optical frequency metrology. This talk will review recent progress in single and dual comb generation from diode pumped solid-state and vertical emitting semiconductor lasers. A modelocked integrated external-cavity surface-emitting laser (MIXSEL) integrates both the gain and the saturable absorber layer within the same semiconductor wafer which simplifies the laser geometry to a linear straight cavity with excellent noise performance. In dual-comb operation, the initially unpolarized beam is split with an intracavity birefringent crystal. A dual-comb MIXSEL has been used for molecular spectroscopy without the need of any additional stabilization. Novel concepts solved the Q-switching problem for gigahertz femtosecond solid-state lasers and enabled stable dual-comb generation as well.
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published
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Book title
Metamaterials, Metadevices, and Metasystems 2020
Journal / series
Volume
11460
Pages / Article No.
1146002
Publisher
SPIE
Event
SPIE Optics + Photonics 2020 (virtual)
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03371 - Keller, Ursula (emeritus) / Keller, Ursula (emeritus)
Notes
Conference Presentation. Due to the Coronavirus (COVID-19) the conference was conducted virtually.