Paper
7 January 2011 Photonic generation of power-efficient ultra-wideband waveforms using a single semiconductor optical amplifier
Author Affiliations +
Proceedings Volume 7987, Optoelectronic Materials and Devices V; 798709 (2011) https://doi.org/10.1117/12.887622
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China
Abstract
A novel photonic generation of power-efficient ultra-wideband (UWB) pulse by combining two asymmetric monocycle pulses with inverted polarities is experimentally demonstrated. The principle lies in cross-phase modulation (XPM) in a single semiconductor optical amplifier (SOA) and phase modulation to intensity modulation conversions in an arrayed-waveguide grating (AWG). The Federal Communications Committee (FCC) compliant UWB pulse gains 24.3 dB and 20.8 dB improvements compared to positive and negative monocycle pulses after power attenuation to respect the FCC spectral mask, respectively. The generated power-efficient UWB with pulse duration of about 310 ps has potential to achieve high speed transmission and modulation without overlapping and distortion.
© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jianji Dong, Yin Zhang, Yuan Yu, Dexiu Huang, and Xinliang Zhang "Photonic generation of power-efficient ultra-wideband waveforms using a single semiconductor optical amplifier", Proc. SPIE 7987, Optoelectronic Materials and Devices V, 798709 (7 January 2011); https://doi.org/10.1117/12.887622
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KEYWORDS
Modulation

Picosecond phenomena

Semiconductor optical amplifiers

Signal attenuation

Photomasks

Gaussian pulse

Fiber amplifiers

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