Publications by authors named "SJ Sheih"
We demonstrate a simplified algorithm to manifest the contribution of amplified spontaneous emission in variable gain-flattened Erbium-doped fiber amplifier (EDFA). The detected signal power at the input and output ports of EDFA comprises of both signal and noise. The generated amplified spontaneous emission from EDFA cannot be differentiated by photodetector which leads to underestimation of the targeted gain value.
View Article and Find Full Text PDFPhase modulation and far-field spatial patterns due to the transformational thermal-lens effect.
Phys Rev B Condens Matter
January 1991