Multi-wavelength distributed feedback semiconductor laser array

• Main Authors: WANG JIAN, LUO YI, HAN YANJUN, LI HONGTAO, SUN CHANGZHENG, WANG YAQIONG, WANG LAI, XIONG BING, HAO ZHIBIAO
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2019
• Subjects: BASIC ELECTRIC ELEMENTS; DEVICES USING STIMULATED EMISSION; ELECTRICITY

The utility model provides a multi-wavelength distributed feedback semiconductor laser array, which comprises a grating, a waveguide and an output light cavity surface, the grating is a lateral coupling surface grating, the waveguide is a ridge waveguide, and the cavity surface is a cavity surface formed by etching. The multi-wavelength distributed feedback semiconductor laser array can effectively suppress interference of an FP longitudinal mode, and has the advantages of simple preparation mode, low cost, wide applicability and accurate wavelength control. 本实用新型提出了一种多波长分布反馈半导体激光器阵列，包括：光栅、波导和输出光腔面，其中，光栅为侧向耦合表面光栅，波导为脊波导，腔面为刻蚀形成的腔面。该多波长分布反馈半导体激光器阵列可以有效地抑制FP纵模的干扰，具有制备方式简单、成本低、适用性广以及波长精确控制的优点。