Optical parametric chirped pulse oscillation

Abstract

A concept to flexibly adjust the spectral bandwidth of the output pulses of a fiber optical parametric oscillator is presented. By adjusting the chirp of the pump pulses appropriate to the chirp of the resonant pulses, the energy of the output pulses can be transferred into a user-defined spectral bandwidth. For this concept of optical parametric chirped pulse oscillation, we present numerical simulations of a parametric oscillator, which is able to convert pump pulses with a spectral bandwidth of 3.3 nm into output pulses with an adjustable spectral bandwidth between 9 and 0.05 nm. Combined with a wavelength tunability between 1200 and 1300 nm and pulse energies of up to 100 nJ, the concept should allow to adapt a single all-fiber parametric oscillator to a variety of applications, e.g., in multimodal nonlinear microscopy.

High-energy dissipative soliton-driven fiber optical parametric oscillator emitting at 1.7 µm

“…Interestingly, the linearly chirped output pulses can be dechirped down to a 3 ps FWHM duration using a negative second order dispersion element. This indicates that the pump chirp is partially transferred to the idler pulse as already demonstrated in [29].…”

μJ-level normal-dispersion fiber optical chirped-pulse parametric oscillator

“…To overcome this limitation, a natural idea is then to combine FOPCPAs capabilities in terms of energy scaling by using chirped pulses with FOPO's flexibility and wavelength tunability. Such a concepttermed FOPCPOwas first investigated numerically and showed significant potential for bandwidth control of parametric waves [10]. We then demonstrated experimentally the feasibility of this concept by generating broadly-tunable highly chirped pulses with energies exceeding 200 nJ in such a FOPCPO [11].…”

Large-Scale Spectral Broadening of Femtosecond Optical Parametric Oscillators by MoTe2 Films

“…And breaking this limitation requires precise control of the parameters of intracavity optics. Several methods such as multichannel operating OPOs, chirped pulsed optical parametric oscillators, , degenerate OPOs, , and self-compression OPOs , have been employed to address this challenge. Nevertheless, this approach may result in system designs that are comparatively costly and intricate.…”