Nasser N.Morgan, and Ye Zhizhen. “INGAN BASED LIGHT EMITTING DIODE AND LASER DIODE THE PRESENT AND THE FUTURE”. Journal of Microwaves, Optoelectronics and Electromagnetic Applications (JMOe) 2, no. 5 (May 5, 2002): 52-59. Accessed August 8, 2020. http://www.jmoe.org/index.php/jmoe/article/view/78.