High-Performance Time-Interleaved Optical Sampling Based on Temporal Lenticular Lens

Optical sampling based on the temporal lenticular lens can eliminate the requirement of high-power laser pulses and the need of wavelength conversion. In this letter, we improve the spectrally efficient sampling scheme to process wideband optical signals applicable for communications. A parallel arc...

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Veröffentlicht in:	IEEE photonics technology letters 2019-02, Vol.31 (4), p.311-314
Hauptverfasser:	Ru, Junying, Shu, Chester
Format:	Artikel
Sprache:	eng
Schlagworte:	Broadband Fiber devices High power lasers Optical communication Optical fibers Optical mixing Optical modulation Optical pulses Optical pumping optical sampling optical signal processing Optical wavelength conversion Sampling Signal processing
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Zusammenfassung:	Optical sampling based on the temporal lenticular lens can eliminate the requirement of high-power laser pulses and the need of wavelength conversion. In this letter, we improve the spectrally efficient sampling scheme to process wideband optical signals applicable for communications. A parallel architecture based on time-interleaved sampling is demonstrated to increase the effective sampling rate. A 20-Gb/s signal is experimentally sampled and recovered at 80 GSample/s. The sampling system performance is measured and analyzed. The input optical frequencies from 40 to 80 GHz are characterized with an effective number of bits ranging from 4.2 to 3.5.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/LPT.2019.2893244