supported by the National Natural Science Foundation of China (Nos. 90923037 and 60636020)
A method based on the theory of transfer matrix to design the integrated microlens for the collimation of vertical-cavity surface emitting laser(VCSEL) array is presented.The integrated microlenses fabricated on the s...
Supported partially by the National Natural Science Foundation of China (Grant Nos. 60636020, 60676034, 60577003, 60706007)
According to the theory of DBR, with the P-type DBR as an example, the electrical characteristics and optical reflection of the DBR are analyzed by studying the energy band structure with various graded region widths ...