Dr. Geunmin Ryu Profile

Dr. Geunmin Ryu

at TRUMPF Photonics

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Author

Publications (5)

Proceedings Article | 2 March 2020 Presentation + Paper

Advances in diode laser bar power and reliability for multi-kW disk laser pump sources

S. McDougall, T. Barnowski, G. Ryu, S. Heinemann, T. Vethake, X. Liu, C.-L. Jiang, H. Zimer

Proceedings Volume 11262, 1126206 (2020) https://doi.org/10.1117/12.2545995

KEYWORDS: Semiconductor lasers, Disk lasers, Laser applications, Reliability, Laser development, Laser welding, Diodes, Quantum wells

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Proceedings Article | 19 February 2018 Presentation + Paper

Advanced chip designs and novel cooling techniques for brightness scaling of industrial, high power diode laser bars

S. Heinemann, S. McDougall, G. Ryu, L. Zhao, X. Liu, C. Holy, C.-L. Jiang, P. Modak, Y. Xiong, T. Vethake, S. Strohmaier, B. Schmidt, H. Zimer

Proceedings Volume 10514, 105140Y (2018) https://doi.org/10.1117/12.2290638

KEYWORDS: Semiconductor lasers, Reliability, Refractive index, Diodes, Quantum wells, Laser applications, Waveguides, Near field, Packaging, Temperature metrology

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Proceedings Article | 4 March 2016 Paper

A fiber-coupled 9xx module with tap water cooling

D. Schleuning, D. Anthon, A. Chryssis, G. Ryu, G. Liu, H. Winhold, L. Fan, Z. Xu, T. Tanbun-Ek, S. Lehkonen, B. Acklin

Proceedings Volume 9733, 973308 (2016) https://doi.org/10.1117/12.2208303

KEYWORDS: Semiconductor lasers, Packaging, Fiber lasers, Reliability, Diodes, Laser development, Optical fibers, Modulation, Novel fiber development, Fiber coupled lasers

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Proceedings Article | 26 February 2013 Paper

Power scaling to high-brightness kW systems using semiconductor bars in water-cooled stacks

David Schleuning, Keith Guinn, Calvin Luong, Yu Zhang, Krishna Kuchibhotla, Serguei Kim, Geunmin Ryu, Mike Griffin, Athanasios Chryssis, Bruno Acklin

Proceedings Volume 8605, 86050A (2013) https://doi.org/10.1117/12.2005742

KEYWORDS: Semiconductor lasers, Diodes, Semiconductors, Temperature metrology, Packaging, Cladding, High power lasers, Resistance, Reliability

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Proceedings Article | 12 February 2008 Paper

Semiconductor optical amplifier switch matrices for optical header recognition

M. Dagenais, Geunmin Ryu, Simarjeet Saini, F. Toudeh-Fallah, R. Gyurek, P. Donner

Proceedings Volume 6897, 68970X (2008) https://doi.org/10.1117/12.769443

KEYWORDS: Switches, Signal to noise ratio, Semiconductor optical amplifiers, Sensors, Reflectivity, Packet switching, Electronic circuits, Polarization, Geometrical optics, Switching

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