Efficient pump–signal combiner for stimulated Raman scattering in photonic crystal waveguide

All‐optical logic inverter for large‐scale integration in silicon photonic circuits

“…The transmittances of the different sections and their inter‐coupling have been studied using the three‐dimensional full vector finite difference time domain (FDTD) technique. Now, section 1 is an long pump combiner/coupler structure, as reported by the authors in [31], through which the invertible signal (Stokes) is optically combined with a continuous wave (CW) pump for their SRS interaction in the following section. The coupler plays a critical role behind the success of the proposed AOLI.…”

“…, of the next section. This section imposes a 3 dB loss [31] to both the pump and the signal before their arrival to section 2.…”

Integrable all‐optical pass switch

“…Segment 1 is an asymmetric Y‐junction pump combiner structure, which combines the optical power of the pump and the Stokes with a coupling losses for both [10].…”

“…The structure can be segregated in three segments based on their geometrical parameters and functionalities. Segment 1 is an asymmetric Y-junction pump combiner structure, which combines the optical power of the pump and the Stokes with a 3 dB coupling losses for both [10]. The structure of segment 2 adopts the design as proposed by the authors in [8].…”