期刊
OPTICS EXPRESS
卷 17, 期 24, 页码 22201-22208出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.17.022201
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资金
- European Union [017501]
Signal transmission experiments were performed at 170 Gbit/s in an integrated Al2O3:Er3+ waveguide amplifier to investigate its potential application in high-speed photonic integrated circuits. Net internal gain of up to 11 dB was measured for a continuous-wave 1532 nm signal under 1480 nm pumping, with a threshold pump power of 4 mW. A differential group delay of 2 ps between the TE and TM fundamental modes of the 5.7-cm-long amplifier was measured. When selecting a single polarization open eye diagrams and bit error rates equal to those of the transmission system without the amplifier were observed for a 1550 nm signal encoded with a 170 Gbit/s return-to-zero pseudo-random 2(7)-1 bit sequence. (C) 2009 Optical Society of America
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