(1 10)Nd:KGW waveguide films grown on CeO2/Si substrates by pulsed laser deposition

Atanasov, P.A.; Okato, Takeshi; Tomov, R.I.; Obara, Minoru

doi:10.1016/j.tsf.2003.11.089

Cited by 8 publications

(2 citation statements)

References 23 publications

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“…These propagation losses are comparable with the 3 dB/ cm loss reported for KGW waveguide films fabricated by PLD. 7 For the left mode, insertion losses obtained by launching light with SMF decreased from 4 to 2.2 dB as the wavelength increased from 1250 to 1650 nm. A propagation loss of 1.8 dB/ cm at 1600 nm wavelength was inferred from the 2.5 dB insertion loss after accounting for the mode-mismatch coupling loss of 0.2 dB, calculated by the mode overlap integral.…”

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confidence: 92%

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Raman gain from waveguides inscribed in KGd(WO4)2 by high repetition rate femtosecond laser

Eaton

Merchant

Iyer

et al. 2008

Applied Physics Letters

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Articles you may be interested in 1.84 m emission of Tm 3 + sensitized by Yb 3 + ions in monoclinic K Gd ( W O 4 ) 2 single crystalsWe report the formation of waveguides in Raman-active KGd͑WO 4 ͒ 2 with a focused, high repetition rate femtosecond laser. Parallel guiding regions, formed to either side of the laser-induced damage track, supported TE and TM modes that coupled efficiently to optical fiber at telecom wavelengths. Micro-Raman spectroscopy of the guiding regions revealed the preservation of the characteristic 768 and 901 cm −1 Raman mode intensities. Raman gain with 6% efficiency was demonstrated for the 768 cm −1 Raman line by pumping the waveguide with an infrared 80 ps source, the first time Raman gain has been reported in laser formed waveguides.

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confidence: 92%

“…Planar waveguides have been fabricated in KGW using ion implantation techniques, 6 and by growing waveguide films on substrates by pulsed-laser deposition ͑PLD͒ techniques. 7 However, there are no known reports of forming single mode waveguides in this material at telecom wavelengths.…”

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confidence: 99%