Kalle Ylä-Jarkko
Kalle Ylä-Jarkko
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High-power, low-noise, Yb-doped, cladding-pumped, three-level fiber sources at 980nm
R Selvas, JK Sahu, LB Fu, JN Jang, J Nilsson, AB Grudinin, ...
Optics Letters 28 (13), 1093-1095, 2003
A 3.5 W 977 nm cladding-pumped jacketed air-clad ytterbium-doped fiber laser
KH Ylä-Jarkko, R Selvas, DBS Soh, JK Sahu, CA Codemard, J Nilsson, ...
Advanced Solid-State Photonics, 103, 2003
Performance limitations of high-power DFB fiber lasers
KH Yla-Jarkko, AB Grudinin
IEEE Photonics Technology Letters 15 (2), 191-193, 2003
Low noise, intelligent cladding pumped L-band EDFA
C Codemard, K Yla-Jarkko, J Singleton, PW Turner, I Godfrey, SU Alam, ...
2002 28TH European Conference on Optical Communication 5, 1-2, 2002
Low-noise intelligent cladding-pumped L-band EDFA
KH Yla-Jarkko, C Codemard, J Singleton, PW Turner, I Godfrey, SU Alam, ...
IEEE Photonics Technology Letters 15 (7), 909-911, 2003
Optical fiber gain medium with modal discrimination of amplification
A Salokatve, K Ylä-Jarkko
US Patent 7,760,771, 2010
Mode-induced transverse photodarkening loss variations in large-mode-area ytterbium doped silica fibers
MJ Söderlund, JJM i Ponsoda, SKT Tammela, K Ylä-Jarkko, A Salokatve, ...
Optics Express 16 (14), 10633-10640, 2008
Beyond 1 kW with fiber lasers and amplifiers
J Nilsson, Y Jeong, C Alegria, R Selvas, J Sahu, R Williams, K Furusawa, ...
Optical Fiber Communication Conference, FH1, 2003
Method for Preparing Medical Stents
J Ruuttu, O Saarniaho, H Asonen, J Kangastupa, K Yla-Jarkko, ...
US Patent App. 11/791,654, 2008
Optical fiber fabrication
S Tammela, K Ylä-Jarkko
US Patent 7,813,608, 2010
Optical fiber processing method
S Tammela, K Ylä-Jarkko
US Patent 7,455,464, 2008
Cladding-pumped L-band phosphosilicate erbium-ytterbium co-doped fiber amplifier
C Codemard, DBS Soh, K Ylä-Jarkko, JK Sahu, M Laroche, J Nilsson
Optical Amplifiers and Their Applications, TuC2, 2003
Characterization of modal coupling of Bragg gratings in large-mode-area fibers
A Iho, A Tervonen, K Yla-Jarkko, S Tammela, S Honkanen
Journal of lightwave technology 29 (13), 2031-2038, 2011
High power, single-mode, single-frequency DFB fibre laser at 1550 nm in MOPA configuration
SU Alam, R Wixey, L Hickey, KH Yla-Jarkko, MN Zervas
Conference on Lasers and Electro-Optics, CMK7, 2004
High power, single frequency DFB fibre laser with low relative intensity noise
S Alam, KH Yla-Jarkko, AB Grudinin
2003 Conference on Lasers and Electro-Optics Europe (CLEO/Europe 2003)(IEEE …, 2003
Power penalties due to in-band and out-of-band dispersion in FBG cascades
KH Ylä-Jarkko, MN Zervas, MK Durkin, I Barry, AB Grudinin
Journal of lightwave technology 21 (2), 506, 2003
High power 977 nm fibre sources based on jacketed air-clad fibres
R Selvas, J Nilsson, J Sahu, K Yla-Jarkko, S Alam, P Turner, J Moore, ...
OFC 2003 Optical Fiber Communications Conference, 2003., 237-238, 2003
Achieving long repeaterless sections in high-density metropolitan WDM networks
KH Yla-Jarkko, S Alam, AB Grudinin
IEEE Photonics Technology Letters 14 (7), 1013-1015, 2002
Scalability of a metropolitan multifiber bidirectional WDM-ring network
K Ylä-Jarkko, S Tammela, T Niemi, A Tervonen
26th European Conference on Optical Communication ECOC 2000, September 3-7 …, 2000
Cladding pumping technology for next generation of fiber amplifiers and lasers
KH Ylä-Jarkko, SU Alam, PW Turner, J Moore, J Nilsson, R Selvas, ...
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