Supercontinuum generators with CW and pulsed pump: temporal structure and dynamic control of parameters

Sergey Kobtsev; Sergey Smirnov

doi:10.1117/12.809398

23 February 2009 Supercontinuum generators with CW and pulsed pump: temporal structure and dynamic control of parameters

Sergey Kobtsev, Sergey Smirnov

Author Affiliations +

Proceedings Volume 7197, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII; 71971A (2009) https://doi.org/10.1117/12.809398
Event: SPIE LASE: Lasers and Applications in Science and Engineering, 2009, San Jose, California, United States

Abstract

The present paper analyzes different methods for dynamic control of parameters of super-continuum generated in fibres both under pulse and CW pumping as well as peculiarities of temporal structure of different super-continua. In particular we show experimentally and numerically a sensitivity of supercontinuum spectral power density to wavelength and repetition rate of pump pulses. We find also that chirp variation of pump pulses results in change of super-continuum coherence for short-wavelength wing. A novel method for control of SC generation under CW pumping is proposed. We discuss the method for control of repetition rate and duration of pulses generated with the help of dual-wavelength pumping by means of adjusting input power and frequency difference. Developed super-continuum generators with enhanced set of controlled parameters are essential for cytometry, tomography, spectroscopy, communications and for other applications.

Citation Download Citation

Sergey Kobtsev and Sergey Smirnov "Supercontinuum generators with CW and pulsed pump: temporal structure and dynamic control of parameters", Proc. SPIE 7197, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications VIII, 71971A (23 February 2009); https://doi.org/10.1117/12.809398

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