Papers › Soliton compression and supercontinuum spectra in nonlinear diamond photonics

Soliton compression and supercontinuum spectra in nonlinear diamond photonics

1 Nov 2022arXiv:2211.00492links table onlyarchive 2025-07-28

O. Melchert, S. Kinnewig, F. Dencker, D. Perevoznik, S. Willms, I. Babushkin, M. Wurz, M. Kues, S. Beuchler, T. Wick, U. Morgner, A. Demircan

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We numerically explore synthetic crystal diamond for realizing novel light sources in ranges which are up to now difficult to achieve with other materials, such as sub-10-fs pulse durations and challenging spectral ranges. We assess the performance of on-chip diamond waveguides for controlling light generation by means of nonlinear soliton dynamics. Tailoring the cross-section of such diamond waveguides allows to design dispersion profiles with custom zero-dispersion points and anomalous dispersion ranges exceeding an octave. Various propagation dynamics, including supercontinuum generation by soliton fission, can be realized in diamond photonics. In stark contrast to usual silica-based optical fibers, where such processes occur on the scale of meters, in diamond millimeter-scale propagation distances are sufficient. Unperturbed soliton-dynamics prior to soliton fission allow to identify a pulse self-compression scenario that promises record-breaking compression factors on chip-size propagation lengths.

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