Dr. Joachim Piprek
Founder and President at NUSOD Institute LLC
SPIE Involvement:
Conference Program Committee | Conference Co-Chair | Conference Chair | Author | Editor | Instructor
Area of Expertise:
optoelectronic devices , GaN-based devices , LED light-emitting diodes , semiconductor lasers , numerical simulation , performance optimization
Websites:
Profile Summary

Experienced researcher, teacher, and consultant in optoelectronics, photonics, and semiconductor devices. Published three books and chaired several conferences in these areas. Currently serves as editor of the "Handbook of Optoelectronic Device Modeling and Simulation" (CRC Press) and as executive / associate editor for two research journals. Provides technical and educational services to corporations and research institutes worldwide.
Publications (49)

Proceedings Article | 22 February 2017
Proc. SPIE. 10098, Physics and Simulation of Optoelectronic Devices XXV
KEYWORDS: Electron beam lithography, Quantum wells, Waveguides, Solid state lighting, Resistance, Semiconductor lasers, Gallium nitride, Laser damage threshold, Temperature metrology, Absorption

Proceedings Article | 20 February 2017
Proc. SPIE. 10107, Smart Photonic and Optoelectronic Integrated Circuits XIX
KEYWORDS: Energy efficiency, Quantum wells, Light emitting diodes, External quantum efficiency, Polarization, Photons, Electrons, Solids, Electrical efficiency, Temperature metrology

SPIE Conference Volume | 30 April 2015

SPIE Conference Volume | 4 April 2014

SPIE Conference Volume | 11 April 2013

Proceedings Article | 14 March 2013
Proc. SPIE. 8619, Physics and Simulation of Optoelectronic Devices XXI
KEYWORDS: Refractive index, Quantum wells, Waveguides, High power lasers, Semiconductor lasers, Near field, Thermal effects, Optical simulations, Thermal blooming, Absorption

Showing 5 of 49 publications
Conference Committee Involvement (36)
Smart Photonic and Optoelectronic Integrated Circuits XXII
1 February 2020 | San Francisco, California, United States
Physics and Simulation of Optoelectronic Devices XXVIII
1 February 2020 | San Francisco, California, United States
Physics and Simulation of Optoelectronic Devices XXVII
5 February 2019 | San Francisco, California, United States
Smart Photonic and Optoelectronic Integrated Circuits XXI
2 February 2019 | San Francisco, California, United States
Physics and Simulation of Optoelectronic Devices XXVI
29 January 2018 | San Francisco, California, United States
Showing 5 of 36 published special sections
Course Instructor
SC822: GaN Optoelectronics: Material Properties and Device Principles
The course focuses on key material properties and essential physical principles of III-nitride semiconductor devices such as light-emitting diodes, laser diodes, and photo detectors. Device design and internal physical mechanism are explained in detail. The impact of material properties and design variations on the device performance is demonstrated using advanced computer simulation. Practical simulation results provide deep insight into device physics, help to understand performance limitations, and enable the development of design optimization strategies.
WS9001: Crosslight Software Inc. Industry Sponsored Workshop: Introduction to Optoelectronic Device Simulation and VCSEL Design
The course introduces design principles of modern optoelectronic devices such as vertical-cavity lasers and nitride light emitters. It includes hands-on exercises and provides basic skills for operating advanced simulation software. Deep insight into micro- and nano-scale physical processes is given using real-world device examples. Key material properties are discussed and strategies for obtaining realistic simulation results are described.
SC596: Computer Simulation of Semiconductor Optoelectronic Devices
The course provides the knowledge required to understand and effectively use advanced simulation software for the design and analysis of optoelectronic devices. Real-world examples of modern devices such as long-wavelength vertical-cavity lasers and nitride light emitters are discussed. Available software packages are compared and strategies for obtaining realistic simulation results are described.
SC801: Optoelectronic Devices: Introduction to Physics and Simulation
The course introduces basic physical principles of semiconductor optoelectronic devices. Key material properties are discussed for a broad array of semiconductor compounds. Modern light emitting diodes, laser diodes, and photodetectors are analyzed using real-world device examples. Deep insight into micro- and nano-scale physical processes is provided by advanced device simulation. Available simulation software is reviewed and strategies for obtaining realistic performance predictions are described.
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