Low-threshold singlemode operation of membrane BH-DFB lasers
Low-threshold singlemode operation of membrane BH-DFB lasers
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膜 BH-DFB 激光器的低阈值单模操作
DOI：
10.1049/el:20020975
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发表时间：
2002
影响因子：
1.1
通讯作者：
S. Arai
中科院分区：
文献类型：
--
作者：
T. Okamoto;N. Nunoya;Y. Onodera;S. Tamura;S. Arai
为了实现由GaInAsP/InP单量子阱线状有源区组成的薄膜分布反馈激光器的低阈值稳定单模运转，采用了窄条纹掩埋异质结和窄抽运光束。基于142 nm厚薄膜结构的2/spl mU/m宽和120/spl mU/m长的器件，获得了1.5 mW的低阈值光泵浦室温连续波运转。在阈值的8倍时，获得了42分贝的边模抑制比。
To achieve low-threshold stable singlemode operation of membrane distributed feedback lasers consisting of GaInAsP/InP single-quantum-well wirelike active regions, a narrow-stripe buried heterostructure and a narrow pump beam were adopted. Room-temperature continuous wave operation by photopumping at a low threshold of 1.5 mW was obtained for a 2 /spl mu/m wide and 120 /spl mu/m long device based on a 142 nm thick membrane structure. A side-mode suppression ratio (SMSR) of 42 dB was obtained at 8 times the threshold.