Dr. Changgeng Ye Profile

Dr. Changgeng Ye

at Apple Inc

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 11 March 2016 Paper

Characterization of chirally-coupled-core (3C) fibers fabricated with direct nanoparticle deposition (DND)

Changgeng Ye, Joona Koponen, Ossi Kimmelma, Ville Aallos, Timothy McComb, Tyson Lowder

Proceedings Volume 9728, 972817 (2016) https://doi.org/10.1117/12.2209411

KEYWORDS: Nanoparticles, Fiber lasers, Near field, Fiber characterization, Fabrication, Doping, Refractive index, Optical fibers, Fiber amplifiers, Picosecond phenomena, Ytterbium, Manufacturing, Signal attenuation, Raman scattering

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Proceedings Article | 4 March 2015 Paper

Measuring bend losses in large-mode-area fibers

Changgeng Ye, Joona Koponen, Ville Aallos, Teemu Kokki, Laeticia Petit, Ossi Kimmelma

Proceedings Volume 9344, 934425 (2015) https://doi.org/10.1117/12.2076813

KEYWORDS: Optical fibers, Monte Carlo methods, Cladding, Light sources, Fiber lasers, Precision measurement, Light, Optical testing, Fused deposition modeling, Finite element methods

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Proceedings Article | 7 March 2014 Paper

High-peak power, flexible-pulse parameter, chirally coupled core (3C) fiber-based picosecond MOPA systems

Timothy McComb, Dennis McCal, Roger Farrow, Tyson Lowder, David Logan, Jared Green, Timpthy Kutscha, Changgeng Ye, Ville Aallos, Joona Koponen, Geoff Fanning

Proceedings Volume 8961, 896112 (2014) https://doi.org/10.1117/12.2037974

KEYWORDS: Pulsed laser operation, Amplifiers, Fiber lasers, Laser applications, Laser systems engineering, Semiconductor lasers, Fiber couplers, Picosecond phenomena, Pulsed fiber lasers, Electronics

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Proceedings Article | 7 March 2014 Paper

Mode coupling in few-mode large-mode-area fibers

Changgeng Ye, Joona Koponen, Ville Aallos, Laeticia Petit, Ossi Kimmelma, Teemu Kokki

Proceedings Volume 8961, 89612W (2014) https://doi.org/10.1117/12.2038575

KEYWORDS: Optical fibers, Image processing, High power fiber lasers, Cladding, Data processing, Optical testing, Finite difference methods, Image analysis, Near field, CCD cameras

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Proceedings Article | 26 February 2013 Paper

Mode coupling in large-diameter multi-mode silica optical fibers

Changgeng Ye, Joona Koponen, Ville Aallos, Teemu Kokki

Proceedings Volume 8601, 86012B (2013) https://doi.org/10.1117/12.2002819

KEYWORDS: Optical fibers, Fiber lasers, Silica, Cladding, Solid state lasers, Semiconductor lasers, Diodes, Solid state physics, Laser applications, Laser cutting

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Proceedings Article | 16 February 2012 Paper

Confined-doped ytterbium fibers for beam quality improvement: fabrication and performance

Changgeng Ye, Joona Koponen, Teemu Kokki, Joan Montiel i Ponsoda, Ari Tervonen, Seppo Honkanen

Proceedings Volume 8237, 823737 (2012) https://doi.org/10.1117/12.906371

KEYWORDS: Ytterbium, Optical fibers, Doping, Fiber lasers, Superluminescent sources, Deposition processes, Ions, Nanoparticles, Cladding, Refractive index

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Proceedings Article | 16 February 2012 Paper

Atomic layer deposition for fabrication of ytterbium doped fibers

Joan Montiel i Ponsoda, Lars Norin, Markus Bosund, Changgeng Ye, Mikko Söderlund, Ari Tervonen, Seppo Honkanen

Proceedings Volume 8237, 82372B (2012) https://doi.org/10.1117/12.908725

KEYWORDS: Atomic layer deposition, Optical fibers, Doping, Ytterbium, Silica, Refractive index, Aluminum, Cladding, Glasses, Chemical vapor deposition

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SPIE Journal Paper | 1 November 2011

Analysis of temperature dependence of photodarkening in ytterbium-doped fibers

Joan Montiel i Ponsoda, Changgeng Ye, Jeffrey Koplow, Mikko Söderlund, Joona Koponen, Seppo Honkanen

OE, Vol. 50, Issue 11, 111610, (November 2011) https://doi.org/10.1117/12.10.1117/1.3640856

KEYWORDS: Optical fibers, Temperature metrology, Ions, Absorption, Cladding, Color centers, Glasses, Optical engineering, Ytterbium, Cameras

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Proceedings Article | 11 February 2011 Paper

Measurement of photodarkening-induced refractive index change in ytterbium doped fibers by modal interference

Changgeng Ye, Joan Montiel i Ponsoda, Ari Tervonen, Seppo Honkanen

Proceedings Volume 7914, 79142A (2011) https://doi.org/10.1117/12.874312

KEYWORDS: Optical fibers, Refractive index, Ytterbium, Phase shifts, Interferometers, Absorption, Cladding, Light sources, Fiber lasers, Fiber Bragg gratings

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Proceedings Article | 17 February 2010 Paper

Fiber amplifier utilizing an Yb-doped large-mode-area fiber with confined doping and tailored refractive index profile

Teemu Kokki, Joona Koponen, Marko Laurila, Changgeng Ye

Proceedings Volume 7580, 758016 (2010) https://doi.org/10.1117/12.842404

KEYWORDS: Refractive index, Doping, Manufacturing, Fiber amplifiers, Cladding, Amplifiers, Ytterbium, Nanoparticles, Ions, Deposition processes

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Showing 5 of 10 publications

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