Planar waveguides in Nd:SGG crystal formed by He ion implantation
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作者:
Guo, Sha-Sha
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Shandong Univ, Sch Phys, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China
Guo, Sha-Sha
[1
]
Liu, Tao
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Shandong Univ, Sch Phys, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China
Liu, Tao
[1
]
Zhao, Jin-Hua
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Shandong Univ, Sch Phys, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China
Zhao, Jin-Hua
[1
]
Guan, Jing
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Shandong Univ, Sch Phys, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China
Guan, Jing
[1
]
Wang, Xue-Lin
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Shandong Univ, Sch Phys, Jinan 250100, Peoples R China
Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China
Wang, Xue-Lin
[1
,2
]
机构:
[1] Shandong Univ, Sch Phys, Jinan 250100, Peoples R China
[2] Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R China
In this paper, we report on the fabrication of planar waveguides in z-cut Nd:SGG crystals, using 500 keV He ion implantation with fluences of 3 x 10(16) ions/cm(2) at 77 K 1 x 10(16) ions/cm(2) at room temperature, annealed at 260 degrees C for 30 min. The guiding modes of the planar waveguides were measured by the prism-coupling method at 633 nm. The near-field intensity distribution and propagation loss of the light in the waveguides were measured by the end-fire coupling method. The absorption spectra were also measured. The refractive index profile was reconstructed using the intensity calculation method, and the light propagation mode was simulated with the finite-difference beam propagation method. The calculated results were in good agreement with the measured waveguide modes, indicating the feasibility of these designable devices. (C) 2010 Optical Society of America
机构:
Shandong Univ, Sch Phys, Jinan 250100, Peoples R China
Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China
机构:
Shandong Univ, Sch Phys, Jinan 250100, Peoples R China
Shandong Univ, State Key Lab Crystal Mat, Jinan 250100, Peoples R ChinaShandong Univ, Sch Phys, Jinan 250100, Peoples R China