<p>In this study, a Thiophene-based two π-conjugated centrosymmetric hetero-phenyl derivatives, (2E)-3-(anthracen-9-yl)-1-(thiophen-2-yl)prop-2-en-1-one (9ACT), and (2E)-3-[4-(benzyloxy)phenyl]-1-(thiophen-2-yl)prop-2-en-1-one (4BPT) were synthesized using the Claisen-Schmidt condensation method. Single-crystal XRD analysis confirmed that 9ACT and 4BPT crystallize in orthorhombic and monoclinic crystal systems, with space groups Pbca and P21/c, respectively. The functional groups and material purity are confirmed for both the derivatives by the FT-IR spectroscopic technique. Thermal analysis reveals that 9ACT and 4BPT crystals were thermally stable up to 131.2 ℃ and 124.16 ℃, respectively. Extensive optical transmission was confirmed using UV–Visible (UV–Vis) spectroscopy, and the optical band gaps were calculated to be 3.2 eV for 4BPT and 2.8 eV for 9ACT. Photoluminescence (PL) studies revealed a prominent emission peak in the deep blue region for both derivatives, attributed to the molecules’ extended conjugation and aromatic systems. The Z-scan experiment revealed a significant second-order hyperpolarizability, (γ_h ~ 10⁻²⁶ esu), and third-order susceptibility, (χ⁽³⁾ ~ 10⁻⁷), under the continuous-wave regime. The optical limiting thresholds of both samples were highly appreciable, measured at 2.96 kJ/cm² for 4BPT and 2.8 kJ/cm² for 9ACT. Thus, the title derivatives show great promise as potential candidates for applications in photonic and optical power limiting devices.</p>