Optical waveform monitoring based on a free-running mode-locked femtosecond fibre laser and four-wave mixing in a highly nonlinear fibre

• Autorzy: Liu Y. , Zhang Y. G. , Tang D.

Identyfikatory

DOI

10.1515/oere-2016-0010

• Języki publikacji: EN

Abstrakty

EN

Optical sampling based on ultrafast optical nonlinearities is a useful technique to monitor the waveforms of ultrashort optical pulses. In this paper, we present a new implementation of optical waveform sampling systems by employing our newly constructed free-running mode-locked fibre laser with a tunable repetition rate and a low timing jitter, an all-optical waveform sampler with a highly nonlinear fibre (HNLF), and our developed computer algorithm for optical waveform display and measurement, respectively. Using a femtosecond fibre laser to generate the highly stable optical sampling pulses and exploiting the four-wave mixing effect in a 100m-long HNLF, we successfully demonstrate the all-optical waveform sampling of a 10GHz optical clock pulse sequence with a pulse width of 1.8 ps and a 80Gbit/s optical data signal, respectively. The experimental results show that waveforms of the tested optical pulse signals are accurately reproduced with a pulse width of 2.0 ps. This corresponds to a temporal resolution of 0.87 ps for optical waveform measurement. Moreover, the optical eye diagram of a 10Gbit/s optical data signal with a 1.8 ps pulse width is also accurately measured by employing our developed optical sampling system.

Słowa kluczowe

EN

optical sampling; mode-locked fibre laser; four-wave mixing; highly nonlinear fibre; optical waveform monitoring; eye diagram measurement

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2016
• Tom: Vol. 24, No. 2
• Strony: 62--74
• Opis fizyczny: Bibliogr. 22 poz., wykr.

Twórcy

autor

Liu Y.

• State Key Laboratory of Transient Optics and Photonics, Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an, Shaanxi 710119, China

autor

Zhang Y. G.

• Biomedical Engineering and Communications Research Group, School of Engineering, London South Bank University, 103 Borough Road, London SE1 0AA, UK

autor

Tang D.

• Southwest China Research Institute of Electronic Equipment, Chengdu 610036, China

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.