Towards a space-qualified Kerr-lens mode-locked laser

Feng Ye; Tobias P. Lamour; Hanna Ostapenko; Richard Alexander McCracken; Oliver Mandel; Denis Weise; Derryck Telford Reid

doi:10.1364/OL.439965

Towards a space-qualified Kerr-lens mode-locked laser

Feng Ye, Tobias P. Lamour, Hanna Ostapenko, Richard Alexander McCracken, Oliver Mandel, Denis Weise, Derryck Telford Reid

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Abstract

We report a 1.5-GHz Kerr-lens-modelocked (KLM) Yb:Y₂O₃ ring laser, constructed by directly bonding the cavity components onto an aluminum baseplate. Stable unidirectional operation with an output power ≥ 10 mW was obtained for pump-diode currents of 300–500 mA, corresponding to a total electrical power consumption of 1.5 W. After repetition-rate stabilization, a comparison with a conventionally-constructed identical laser showed a 50% reduction in phase noise. In free-running operation
the bonded laser showed superior passive repetition-rate stability. The bonding process follows an already proven integration approach in space-borne instrumentation, mapping a development pathway for KLM lasers in aerospace applications.

Original language	English
Pages (from-to)	5429-5432
Number of pages	4
Journal	Optics Letters
Volume	46
Issue number	21
Early online date	28 Oct 2021
DOIs	https://doi.org/10.1364/OL.439965
Publication status	Published - 1 Nov 2021

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We report a 1.5-GHz Kerr-lens-modelocked (KLM) Yb:Y2O3 ring laser, constructed by directly bonding the cavity components onto an aluminum baseplate. Stable unidirectional operation with an output power ≥ 10 mW was obtained for pump-diode currents of 300–500 mA, corresponding to a total electrical power consumption of 1.5 W. After repetition-rate stabilization, a comparison with a conventionally-constructed identical laser showed a 50% reduction in phase noise. In free-running operationthe bonded laser showed superior passive repetition-rate stability. The bonding process follows an already proven integration approach in space-borne instrumentation, mapping a development pathway for KLM lasers in aerospace applications. ",

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AU - Ye, Feng

AU - Lamour, Tobias P.

AU - Ostapenko, Hanna

AU - McCracken, Richard Alexander

AU - Mandel, Oliver

AU - Weise, Denis

AU - Reid, Derryck Telford

PY - 2021/11/1

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AB - We report a 1.5-GHz Kerr-lens-modelocked (KLM) Yb:Y2O3 ring laser, constructed by directly bonding the cavity components onto an aluminum baseplate. Stable unidirectional operation with an output power ≥ 10 mW was obtained for pump-diode currents of 300–500 mA, corresponding to a total electrical power consumption of 1.5 W. After repetition-rate stabilization, a comparison with a conventionally-constructed identical laser showed a 50% reduction in phase noise. In free-running operationthe bonded laser showed superior passive repetition-rate stability. The bonding process follows an already proven integration approach in space-borne instrumentation, mapping a development pathway for KLM lasers in aerospace applications.

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Towards a space-qualified Kerr-lens mode-locked laser

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