101. De-Long Zhang, Li Qi, Ping-Rang Hua, Juan-Antonio Vallés, Dao-Yin Yu and Edwin Yue-Bun Pun, Emission and absorption cross section spectra of Er3+ in LiNbO3 crystals codoped with indium, Journal of Materials Research, Vol. 26, No. 10, 1316-1325, May 2011.
102. De-Long Zhang, Bei Chen, Ping-Rang Hua, Dao-Yin Yu and Edwin Yue-Bun Pun, Demonstration of Er3+ diffusivity and solubility increases in off-congruent, Li-deficient LiNbO3 crystal, Journal of Materials Research, Vol. 26, No. 12, 1524-1531, Jun 2011.
103. De-Long Zhang, Bei Chen, Li Qi, Ping-Rang Hua, Dao-Yin Yu and Edwin Yue-Bun Pun, Influence of Li-rich vapor transport equilibration on surface refractive index and Mg concentration of MgO (5 mol%)-doped LiNbO3 crystal, Applied Physics B-Lasers and Optics, Vol. 104, No. 1, 151-160, Jul 2011.
104. De-Long Zhang, Bei Chen, Ping-Rang Hua, Dao-Yin Yu, Edwin Yue-Bun Pun, Diffusion characteristics study of locally Er-doped non-congruent, Li-deficient Ti : Er : LiNbO3 strip waveguide, Journal of Materials Research, Vol. 26, No. 23, pp. 2924-2930, Dec 2011.
105. De-Long Zhang, Chang Wu and E. Y. B. Pun, Near-stoichiometric Ti:LiNbO3 strip waveguide with varied substrate refractive index in waveguide layer, Chinese Physics B, Vol. 19, No. 2, Art. 024214, Feb 2010.
106. De-Long Zhang, Li-Zhu Zhang, Chao Xu, Liang Sun, Yu-Heng Xu and E. Y. B. Pun, Influence of MgO-codoping on Er concentration in congruent LiNbO3 crystal: Mg threshold concentration effect, Journal of Materials Research, Vol. 25, No. 2, 235-239 Feb 2010.
107. De-Long Zhang, Hui Zheng, Ping-Rang Hua and Edwin Yue-Bun Pun, Post-grown Li-rich vapor-transport-equilibration induced Mg diffusion within MgO : LiNbO3 crystal, Journal of Materials Research, Vol. 25, No. 9, 1817-1821, Sep 2010.
108. De-Long Zhang, Ping-Rang Hua, Xiao-Xi Liu and E. Y. B. Pun, Li-deficient, off-congruent MgO:LiNbO3 crystals prepared by post-grown Li-poor vapor transport equilibration for integrated optics, Journal of the American Ceramic Society, Vol. 93, No. 7, 1991-1998, Jul 2010.
109. De-Long Zhang, Hui Zheng and Edwin Yue-Bun Pun, Judd-Ofelt spectroscopic study of Mg/Er-codoped near-stoichiometric LiNbO3 crystals for integrated optics, Journal of Materials Research, Vol. 25, No. 11, 2101-2110, Nov 2010.
110. Ping-Rang Hua, De-Long Zhang and E. Y. B. Pun, Photorefractive-damage-resistant locally Er–Mg-doped near-stoichiometric Ti:Mg:Er:LiNbO3 strip waveguides: a way towards new devices, IEEE Photonics Technology Letters, Vol. 22, No. 13, 1008-1010, Jul 2010.
