All-fibre autocorrelator for optical pulse width measurement

Pradeep Kumar; Anil Prabhakar

doi:10.1117/12.763042

13 February 2008 All-fibre autocorrelator for optical pulse width measurement

Pradeep Kumar, Anil Prabhakar

Proceedings Volume 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII; 68751F (2008) https://doi.org/10.1117/12.763042
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

We report an all-fibre interferometric autocorrelation measurement of femtosecond optical pulses in the C-band. An all-fibre Mach-Zehnder interferometer with piezo-electric fiber stretcher in one arm provides the interference signal. A highly nonlinear and dispersion shifted fibre with Kerr coefficient 10.5 /W-km generates an idler by the process of degenerate four wave mixing of the pump and target pulse signals. The idler intensity is proportional to the interferometric autocorrelation of target pulse. We have measured approximately 100 fs optical pulses at 1552.52nm from an actively mode locked erbium doped fibre laser operating at 280 MHz repetition rate.

Citation Download Citation

Pradeep Kumar and Anil Prabhakar "All-fibre autocorrelator for optical pulse width measurement", Proc. SPIE 6875, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VII, 68751F (13 February 2008); https://doi.org/10.1117/12.763042

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