By Ali Rostami
"Nanostructure Semiconductor Optical Amplifiers" studies all-optical processing equipment presently on hand and offers semiconductor optical amplifiers (SOAs) as a brand new construction block for this goal. The authors speak about the overcomes of excessive frequency operation of SOAs and suggest a brand new all-optical pumping technique for the implementation of semiconductor optical amplifiers.
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Additional info for Nanostructure Semiconductor Optical Amplifiers: Building Blocks for All-Optical Processing
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In most of practical cases R1 and R2 \ 10-3. Three approaches are commonly used to reduce the facet reflectivity: using an anti-reflection (AR) coating with a very low reflexivity, orienting the cavity at an angle with respect to the output fiber (tilting), or introducing transparent window regions at each face of the device. 3 Anti-Reflection Coating Semiconductor optical amplifiers fabricated using an AR coating with a reflexivity of less than 10-2 can be classified as resonant or traveling-wave TW devices.