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Proceedings Paper • Open Access

Real-time observation of hidden multi-soliton dynamics in a few-cycle Ti:Sapph oscillator (Conference Presentation) (Withdrawal Notice)
Author(s): Georg Herink; Felix Kurtz; Daniel R. Solli; Bahram Jalali; Claus Ropers

Paper Abstract

Mode-locked lasers are a prominent example of dissipative nonlinear systems which support soliton bound-states. However, rapid dynamic interactions between such soliton complexes with pico- to femtosecond separation are mostly invisible to standard laser characterization techniques, including scanning interferometric autocorrelation, temporally-averaged spectroscopy, and single-shot measurements at low repetition rates. Here, we apply the time-stretch dispersive Fourier transform (TS-DFT) and high-speed real-time sampling to resolve fast intracavity soliton dynamics.

The multi-soliton complexes are induced in a common broadband commercial laser oscillator (~10 fs pulse width) by applying external perturbations. The optical spectrum of a multi-pulse complex corresponds to a spectral interferogram, encoding both the distances and the relative phase of its constituents. In order to access this information for fast bound-state dynamics, rapid spectral detection is essential. The presented single-shot spectroscopy is enabled via the transformation of spectral information to the time-domain via group-velocity-dispersion in a long optical fiber, and subsequent high-bandwidth real-time acquisition [1]. By recording such single-shot spectral interferograms, we can resolve a diverse set of dynamic bound-states, and identify unprecedented rapid dynamics of bound-states with regular, periodic and aperiodic behavior in a state-of-the-art broadband Kerr-lens oscillator.

[1] G. Herink, B. Jalali, C. Ropers, D.R. Solli, "Resolving the buildup of femtosecond mode-locking with single-shot spectroscopy at 90 MHz frame-rate" Nat. Photon. 10, 321–326 (2016).

Paper Details

Date Published: 12 February 2018
PDF: 1 pages
Proc. SPIE 10089, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II, 1008904 (12 February 2018); doi: 10.1117/12.2255659
Show Author Affiliations
Georg Herink, Georg-August-Univ. Göttingen (Germany)
Felix Kurtz, Georg-August-Univ. Göttingen (Germany)
Daniel R. Solli, Univ. of California, Los Angeles (United States)
Bahram Jalali, Univ. of California, Los Angeles (United States)
Claus Ropers, Univ. of California, Los Angeles (United States)
Georg-August-Univ. Göttingen (Germany)

Published in SPIE Proceedings Vol. 10089:
Real-time Measurements, Rogue Phenomena, and Single-Shot Applications II
Bahram Jalali; Daniel R. Solli; Sergei K. Turitsyn; Günter Steinmeyer; Neil G. R. Broderick, Editor(s)

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