Structure and optical damage resistance of Zn:Er:LiNbO3 waveguides

Zhen, Xihe; Li, H.T.; Zhao, Liancheng; Xu, Yanling

doi:10.1016/s0921-5107(03)00164-8

Cited by 8 publications

(2 citation statements)

References 14 publications

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“…As such the optical damage resistance of the Zn(6.0 mol%):Yb:Er:LiNbO 3 (No.4) is about two orders of magnitude higher than that of other crystals (No.1, No.2 and No.3). These results are consistent with other researches[8,14,[21][22][23].…”

supporting

confidence: 93%

Spectroscopic characterizations and optical damage resistance of Zn:Yb:Er:LiNbO3 crystals

Zhen

Liu

et al. 2005

Journal of Luminescence

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supporting

confidence: 93%

Spectroscopic characterizations and optical damage resistance of Zn:Yb:Er:LiNbO3 crystals

Zhen

Liu

et al. 2005

Journal of Luminescence

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“…But the poor ability of photodamage resistance of Er: LiNbO 3 crystal hinderes and limites its application in practice. Incorporating of optical damage resistance dopants, such as MgO, ZnO, In 2 O 3 and Sc 2 O 3 , provides potential ways to overcome the shortages [9][10][11][12]. Recently, it was found that the optical damage ability of doped 4 mol % HfO 2 LiNbO 3 crystal was similar with that of doped 5-6 mol % MgO LiNbO 3 crystal.…”

Section: Introductionmentioning

confidence: 99%

Defect structure and spectroscopic characteristics of codoped Hf: Er: LiNbO₃ crystals

Sun

Yang²,

et al. 2009

Cryst. Res. Technol.

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Codoped Hf: Er: LiNbO 3 crystals have been grown by the Czochralski technique. Defect structures of the crystals were analyzed by IR absorption spectra, and the compositions of the crystals were measured by X-ray fluorescent spectrograph. A new OH − -associated vibrational peak at 3492 cm -1 was revealed in 6 mol % Hf: 1 mol % Er: LiNbO 3 crystal. It was attributed to (Hf Nb )2-defect centers. The Er 3+ concentrations in crystals gradually decreased with the increase of the codoped Hf 4+ concentrations in the melts. The emission characteristics of the crystals were investigated by the fluorescence spectrum. It was found that the luminescent intensity in codoped 6 mol % Hf: 1 mol % Er: LiNbO 3 crystal was 3.5 times stronger than that in single doped 1 mol % Er: LiNbO 3 crystal. The luminescent enhancement effect was successfully explained on the basis of defect structure of the crystals.

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Photorefractive features of non‐stoichiometry codoped Hf:Fe:LiNbO₃ single crystals

Liu¹,

et al. 2008

Cryst. Res. Technol.

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. The mechanisms of the photorefractive resistant ability increase and the absorption band shift have been discussed. The exponential gain coefficient (Г) of the crystals was measured with two-beam coupling method and the effective charge carrier concentration (N eff ) was calculated. The results show that Г and N eff increase with the accretion of [Li]/[Nb] ratio. The temperature effect of codoped Hf:Fe:LiNbO 3 crystals was also studied, it was found that the exponential gain coefficient increase dramatically at about 55°C, 70°C and 110°C, this is due to the inner electric field which is resulted from structure phase change.

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Structure and optical damage resistance of Zn:Er:LiNbO3 waveguides

Cited by 8 publications

References 14 publications

Spectroscopic characterizations and optical damage resistance of Zn:Yb:Er:LiNbO3 crystals

Spectroscopic characterizations and optical damage resistance of Zn:Yb:Er:LiNbO3 crystals

Defect structure and spectroscopic characteristics of codoped Hf: Er: LiNbO₃ crystals

Photorefractive features of non‐stoichiometry codoped Hf:Fe:LiNbO₃ single crystals

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Structure and optical damage resistance of Zn:Er:LiNbO3 waveguides

Cited by 8 publications

References 14 publications

Spectroscopic characterizations and optical damage resistance of Zn:Yb:Er:LiNbO3 crystals

Spectroscopic characterizations and optical damage resistance of Zn:Yb:Er:LiNbO3 crystals

Defect structure and spectroscopic characteristics of codoped Hf: Er: LiNbO3 crystals

Photorefractive features of non‐stoichiometry codoped Hf:Fe:LiNbO3 single crystals

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Defect structure and spectroscopic characteristics of codoped Hf: Er: LiNbO₃ crystals

Photorefractive features of non‐stoichiometry codoped Hf:Fe:LiNbO₃ single crystals