Chinese Optics Letters, 2012, 10 (10): 100701, Published Online: Aug. 3, 2012
Experimental investigation on a software synchronous optical sampling technique based on periodically poled lithium niobate 
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070.4340 Nonlinear optical signal processing 060.4370 Nonlinear optics, fibers 190.4360 Nonlinear optics, devices
Abstract
A software synchronous optical sampling system is constructed based on sum frequency generation (SFG) in periodically poled lithium niobate (PPLN). Five gigahertz of a non-return-to-zero (NRZ) data signal is sampled by sampling pulse with the repetition frequency of 29.31 MHz. The power of the SFG light is set at -23 dBm, and an eye diagram is successfully recovered. A band-pass filter is added before the sampling pulse is subjected to erbium-doped fiber amplifier to reduce gain competition and ensure a high power level of SFG.
Lin Zuo, Aiying Yang, Junsen Lai, Yunan Sun. Experimental investigation on a software synchronous optical sampling technique based on periodically poled lithium niobate[J]. Chinese Optics Letters, 2012, 10(10): 100701.
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