【作者】 钱凌轩； 施鹏程； 陈建国； 冯振中；

【Author】 QIAN Ling-xuan SHI Peng-cheng CHEN Jian-guo FENG Zhen-zhong (Department of Optoelectronics.Sichuan University,Chengdu,Sichuan 610064,China)

【机构】 四川大学光电系；

【摘要】 理论分析表明,在较短外腔作用下,激光二极管阵列(LDA)的高阶侧模有实现相位锁定的可能。实验测得, 当外腔较短时 LDA 的远场光强分布呈现主旁瓣结构,且旁瓣中包含有标志锁相的峰、谷结构,这正是高阶侧模相位锁定的结果。该结果证实,在外腔较短情况下,LDA 高阶侧模相位锁定的现象是存在的。更多还原

【Abstract】 It is theoretically found that phase locking high-order lateral modes of laser diode array(LDA)with a short external cavity can be realized.The far field pattern,which comprises a main lobe and side lobes,is observed for a LDA positioned in a short external cavity.There are structures composed of peaks and valleys,symbolizing phase locking,within the side lobes.From these results,it can be concluded that the phase locking of high-order lateral modes of LDA exists when the external cavity is short enough.更多还原