Prof. Harald G. L. Schwefel Profile

Prof. Harald G. L. Schwefel

Associate Profressor at Univ of Otago

SPIE Involvement:

Conference Program Committee | Author

Websites:

Personal Website | Company Website

Publications (9)

Proceedings Article | 13 March 2024 Presentation

Presentation

Electro optic frequency combs: getting visible results

Harald G. Schwefel, Nicholas Lambert, Luke Trainor

Proceedings Volume PC12912, PC129122B (2024) https://doi.org/10.1117/12.3011723

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Proceedings Article | 17 March 2023 Presentation

Presentation

Anomalous resonance shifts, distance calibration, and lasing in WGM resonators

Farhan Azeem, Josh Christensen, Luke Trainor, Nicholas Lambert, Dmitry Strekalov, Harald G. Schwefel

Proceedings Volume PC12407, PC1240703 (2023) https://doi.org/10.1117/12.2657200

KEYWORDS: Prisms, Titanium, Resonators, Calibration, Dielectrics, Sapphire, Polarizability

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Proceedings Article | 9 March 2023 Presentation

Presentation

Whispering gallery mode electro-optic dual frequency comb

Nicholas Lambert, Luke Trainor, Harald G. Schwefel

Proceedings Volume PC12447, PC1244725 (2023) https://doi.org/10.1117/12.2657346

KEYWORDS: Lithium niobate, Resonators, Polarization, Crystals, Electromagnetic radiation, Frequency combs, Electro optics, Microwave radiation

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Proceedings Article | 1 April 2022 Presentation

Presentation

Generating an ultra-stable dual frequency comb with a microresonator

Nicholas Lambert, Luke Trainor, Harald G. Schwefel

Proceedings Volume PC11987, PC1198705 (2022) https://doi.org/10.1117/12.2614519

KEYWORDS: Lithium niobate, Microresonators, Resonators, Spectroscopy, Frequency combs, Electro optics, Microwave radiation, Electromagnetism

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Proceedings Article | 9 March 2020 Presentation

Presentation

Mixing microwave and light: Electro-optic frequency combs and more (Conference Presentation)

Madhuri Kumari, Nicholas Lambert, Alfredo Rueda, Florian Selmeir, Harald G. Schwefel

Proceedings Volume 11266, 112660R (2020) https://doi.org/10.1117/12.2551336

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Proceedings Article | 30 December 2019 Paper

Paper

Broadly tunable light sources using four-wave mixing in magnesium fluouride microresonators

Vincent Ng, Noel Lito Sayson, Luke Trainor, Harald G. Schwefel, Stéphane Coen, Miro Erkintalo, Stuart Murdoch

Proceedings Volume 11200, 112001I (2019) https://doi.org/10.1117/12.2539873

KEYWORDS: Light sources, Microresonators, Magnesium fluoride, Resonators, Dispersion, Physics, Four wave mixing

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Proceedings Article | 14 March 2018 Presentation

Presentation

Highly efficient polarization-selective out-coupling of harmonic light in birefringent WGM resonators (Conference Presentation)

Luke Trainor, Florian Sedlmeir, Christian Peuntinger, Harald G. Schwefel

Proceedings Volume 10518, 105180L (2018) https://doi.org/10.1117/12.2295863

KEYWORDS: Prisms, Lithium niobate, Resonators, Birefringence, Nonlinear dynamics, Signal processing, Nonlinear optics

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Proceedings Article | 16 February 2018 Presentation + Paper

Presentation + Paper

Using the lasing threshold in whispering gallery mode resonators for refractive index sensing

Alexandre François, Harald Schwefel, Tanya Monro

Proceedings Volume 10518, 105180V (2018) https://doi.org/10.1117/12.2288871

KEYWORDS: Biosensing, Resonators, Spectroscopy, Dye lasers

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Proceedings Article | 12 March 2013 Paper

Paper

Complex polarization states of off-axis uniaxial whispering gallery mode resonators

Florian Sedlmeir, Martin Hauer, Josef Fürst, Dmitry Strekalov, Harald G. Schwefel

Proceedings Volume 8600, 86001B (2013) https://doi.org/10.1117/12.2002434

KEYWORDS: Refractive index, Prisms, Magnesium fluoride, Resonators, Polarization, Crystals, Optical resonators, Geometrical optics, Electroluminescent displays, Dielectric polarization

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Showing 5 of 9 publications

Conference Committee Involvement (5)

Laser Resonators, Microresonators, and Beam Control XXVII

25 January 2025 | San Francisco, California, United States

Laser Resonators, Microresonators, and Beam Control XXVI

30 January 2024 | San Francisco, California, United States

Laser Resonators, Microresonators, and Beam Control XXV

31 January 2023 | San Francisco, California, United States

Laser Resonators, Microresonators, and Beam Control XXIV

24 January 2022 | San Francisco, California, United States

Laser Resonators, Microresonators, and Beam Control XXIII

6 March 2021 | Online Only, California, United States

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