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Your search keyword '"Dong-Il Yeom"' showing total 4 results
Start Over Author "Dong-Il Yeom" Journal 2015 11th conference on lasers and electro-optics pacific rim (cleo-pr)
4 results on '"Dong-Il Yeom"'

1. Mirrorless graphene Q-switched channel waveguide laser

Author

Günter Huber, Christian Kränkel, Thomas Calmano, Dong-Il Yeom, Fabian Rotermund, Sun Young Choi, and Mi Hye Kim

Subjects
Materials science, business.industry, Graphene, chemistry.chemical_element, Saturable absorption, Chemical vapor deposition, Yttrium, Laser, Waveguide (optics), law.invention, Resonator, Optics, chemistry, law, Optoelectronics, business, Communication channel
Abstract

We propose a s-switched channel waveguide laser operating near 1 μm in mirrorless resonator configuration. PMMA-assisted monolayer graphene acting as saturable absorber is grown by chemical vapor deposition and transferred onto an end facet of the waveguide.

Published
2015
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2. Gate-controlled All-fiber graphene device and its application to ultrafast fiber laser system

Author

Dong-Il Yeom

Subjects
Materials science, Condensed Matter::Other, Graphene, business.industry, Physics::Optics, Saturable absorption, Gating, law.invention, All fiber, Optics, law, Fiber laser, Physics::Atomic and Molecular Clusters, Optoelectronics, Physics::Chemical Physics, business, Ultrashort pulse, Layer (electronics), Graphene nanoribbons
Abstract

Actively controlled all-fiber graphene device exhibiting strong graphene-light interaction is demonstrated through electrical gating of graphene layer, and its application as a tunable nonlinear saturable absorber in ultrafast fiber laser system is discussed.

Published
2015
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3. Different interaction schemes with carbon nanotubes in a pulsed planar waveguide laser

Author

Valentin Petrov, Mi Hye Kim, Francesc Díaz, Dong-Il Yeom, Fabian Rotermund, Uwe Griebner, Sun Young Choi, Madalena Aguilo, Xavier Mateos, Jun Wan Kim, and Kwang Jun Ahn

Subjects
Waveguide lasers, Materials science, business.industry, Physics::Optics, Nonlinear optics, Carbon nanotube, Laser, Waveguide (optics), law.invention, Planar, Optics, law, Optoelectronics, business, Laser beams
Abstract

We studied operation characteristics of a Gd3+ and Lu3+ co-doped Yb:KYW planar waveguide laser, Q-switched by carbon nanotube-based saturable absorbers in two direct interaction and one evanescent-field interaction regimes.

Published
2015
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4. All-fiber soliton Er-laser mode-locked by a planar lightwave circuit (PLC)-based CNT saturable absorber

Author

Chur Kim, Jungwon Kim, Sun Young Choi, Sang Jun Cha, Do Hyun Kim, YeonJoon Cheong, Dong-Il Yeom, Jeong-Woo Lee, Hwanseong Jeong, and Fabian Rotermund

Subjects
Materials science, business.industry, Physics::Optics, Saturable absorption, Polarization-maintaining optical fiber, Laser, Graded-index fiber, law.invention, Planar, Optics, law, Fiber laser, Soliton, business, Plastic optical fiber
Abstract

We show an all-planar, fiber-connected CNT saturable absorber manufactured by the planar lightwave circuit (PLC) process. The fabricated saturable absorber was successfully employed in an all-fiber soliton mode-locked Er-laser.

Published
2015
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