High-Gain Array of Semiconductor Optical Amplifier Integrated With Bent Spot-Size Converter (BEND SS-SOA)
Journal of Lightwave Technology, Vol. 19, Issue 11, pp. 1745- (2001)
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Abstract
We propose a high-gain semiconductor optical amplifier with an integrated bent spot-size converter (BEND SS-SOA). A straight active waveguide enables us to use a pn-buried heterostructure (pn-BH) with a high current-blocking effect and uniform characteristics. We can optimize a bent spot-size converter waveguide to provide low optical feedback from the facets and high-coupling efficiency to a flat-end optical fiber with low radiation loss due to the bend. The devices we fabricated achieve a high fiber-to-fiber gain of 18 dB with a coupling efficiency of -3.5 dB, and we have demonstrated a four-channel array with uniform characteristics.
[IEEE ]
Citation
Yasumasa Suzaki, Katsuaki Magari, Yasuhiro Kondo, Yoshihiro Kawaguchi, Yoshiaki Kadota, and Kaoru Yoshino, "High-Gain Array of Semiconductor Optical Amplifier Integrated With Bent Spot-Size Converter (BEND SS-SOA)," J. Lightwave Technol. 19, 1745- (2001)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-19-11-1745
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