Dissecting the corresponding, often overlapping, spectroscopic signals from different electronic states is a challenge hampering their interpretation. Here we address impulsive stimulated Raman spectroscopy (ISRS), a powerful technique able to coherently stimulate and record Raman-active modes using broadband pulses.

ISRS noticeably transfers signal power from shorter-wavelength channels to longer-wavelength channels in ultra-wideband wavelength division multiplexing (WDM) systems, changing the wavelength dependence of signal impairments.

2024年5月31日 · However, the introduction of an L band enhances the inter-channel stimulated Raman scattering effect (ISRS), consequently deteriorating the quality of transmission (QoT) of the signal. Furthermore, spectrum allocation leads to spectrum fragmentation inevitably, which escalates the bandwidth blocking rate.

2024年1月31日 · We model the transmission of ultrawideband signals, including wavelength-dependent fibre parameters: dispersion, nonlinear coefficient and effective fibre core area. To that end, the inter-channel stimulated Raman scattering Gaussian noise integral model is extended to include these parameters.

2021年12月9日 · Impulsive stimulated Raman scattering (ISRS) is a nonlinear pump–probe spectroscopy technique particularly suitable to study vibrational intermolecular and intramolecular modes in complex systems.

2023年8月7日 · These systems, operating on bandwidths larger than the standard C–band, are affected by inter-channel stimulated Raman scattering (ISRS), whose impact on power profiles evolution along the fiber is generally estimated by solving numerically a set of nonlinear ordinary differential equations (ODEs).

1997年1月24日 · In this Letter, we report OHD-ISRS measure- ments in which both complete heterodyning and the stabilization of the phase between the signal ancl local oscillator are attained, and fully demonstrate high capabilities of OHD-ISRS spectroscopy.

2024年7月27日 · Here are the key purposes of ISRs: 01. Immediate Response to Events: ISRs allow the system to quickly respond to hardware or software events, such as input from sensors, communication signals, or error conditions. 02. Efficient Resource Management:

In this paper we experimentally verify this model, through measurements of the effect of ISRS in C+L band transmission systems, and found no evidence of ISRS-induced crosstalk originating from time-varying amplitudes of the interacting channels.

The interaction between ultrashort light pulses and non-absorbing materials is dominated by Impulsive Stimulated Raman Scattering (ISRS). The description of ISRS in the context of pump&probe experiments is based on effective classical models describing the interaction between the phonon and pulsed electromagnetic fields.