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This paper reviews the three main thin film solar cell technologies: amorphous silicon (α-Si), copper indium gallium selenide (CIGS), and cadmium telluride (CdTe). The evolution of these three technologies is discussed in comparison to commercial applications, reliability, and market share. While the α-Si cell is almost extinct in terrestrial applications, CIGS and CdTe are comparable to multicrystalline...
We propose a method for linearizing the response of depletion-mode silicon waveguide modulator based on the engineering of modal overlap with the depletion region. Simulations show suppression of nonlinearities in index-voltage transfer function, enabling SFDR of 116 dB/Hz2/3 in MZM configuration.
Recently, people are seeking lighting source which has higher efficiency and no pollution. Light Emitting Diode (LED) has become important illumination technology for many types of applications. It also has been used in many applications such as watches, indicator lights for many common household devices. LED brought the brightness. In addition, it's eco-friendly to the environment. However, LED's...
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