The self imaging effect in graded index waveguides using annealed proton exchange (APE) technique in lithium niobate (LiNbO 3) waveguides is analyzed and simulated using the three dimensional nonparaxial beam pro...The self imaging effect in graded index waveguides using annealed proton exchange (APE) technique in lithium niobate (LiNbO 3) waveguides is analyzed and simulated using the three dimensional nonparaxial beam propagation method (BPM).On this basis,a 1×8 multimode interference (MMI) optical power splitter by APE technique in X cut LiNibO 3 with Y propagation substrate is fabricated.Measurements show that the device has realized eight powers splittings.展开更多
在 Li Nb O3 中掺进 3 mol%、5mol%、7mol% Zn O生长 Zn∶ L i Nb O3 晶体 .测试Zn∶ L i Nb O3 晶体的吸收光谱 ,研究 Zn∶ Li Nb O3 晶体吸收边紫移的机制 .测试 Zn∶ Li Nb O3晶体的红外光谱 ,研究 Zn( 7mol% )∶L i Nb O3 晶体 OH-...在 Li Nb O3 中掺进 3 mol%、5mol%、7mol% Zn O生长 Zn∶ L i Nb O3 晶体 .测试Zn∶ L i Nb O3 晶体的吸收光谱 ,研究 Zn∶ Li Nb O3 晶体吸收边紫移的机制 .测试 Zn∶ Li Nb O3晶体的红外光谱 ,研究 Zn( 7mol% )∶L i Nb O3 晶体 OH-吸收峰由 3 484cm- 1移到 3 53 0 cm- 1的机制 .测试 Zn∶ L i Nb O3 晶体倍频转换效率和相位匹配温度 ,研究 Zn∶ Li Nb O3展开更多
文摘The self imaging effect in graded index waveguides using annealed proton exchange (APE) technique in lithium niobate (LiNbO 3) waveguides is analyzed and simulated using the three dimensional nonparaxial beam propagation method (BPM).On this basis,a 1×8 multimode interference (MMI) optical power splitter by APE technique in X cut LiNibO 3 with Y propagation substrate is fabricated.Measurements show that the device has realized eight powers splittings.
文摘在 Fe∶Li Nb O3 中掺进 3 mol%和 6mol% Mg O,生长了 Mg∶Fe∶L i Nb O3 晶体 .测试了 Mg∶Fe∶Li Nb O3 晶体抗光致散射能力、衍射效率、响应时间和光电导 .推导响应时间与光电导之间的关系 .在 Fe∶Li Nb O3 晶体中掺进 6mol%的 Mg2 + ,它的抗光致散射能力比Fe∶L i Nb O3 晶体提高一个数量级 ,响应速度比 Fe∶Li Nb O3
文摘在 Li Nb O3 中掺进 3 mol%、5mol%、7mol% Zn O生长 Zn∶ L i Nb O3 晶体 .测试Zn∶ L i Nb O3 晶体的吸收光谱 ,研究 Zn∶ Li Nb O3 晶体吸收边紫移的机制 .测试 Zn∶ Li Nb O3晶体的红外光谱 ,研究 Zn( 7mol% )∶L i Nb O3 晶体 OH-吸收峰由 3 484cm- 1移到 3 53 0 cm- 1的机制 .测试 Zn∶ L i Nb O3 晶体倍频转换效率和相位匹配温度 ,研究 Zn∶ Li Nb O3