Chilas designs and fabricates external cavity semiconductor lasers using its leading hybrid integration technology.
Chilas’ laser comprises an InP reflective semiconductor optical amplifier (RSOA) as gain medium and a Si3N4 waveguide circuit as external cavity. The RSOA is edge-coupled to the external cavity Two coupled micro-ring resonators (MRRs) with slightly different FSR in the cavity ensure stable single frequency operation by Vernier effect. The laser’s frequency can be tuned over a large range by MRR tuning.
Due to low cavity loss and long optical cavity length, Chilas’ laser can achieve high output power(>40mW) and ultra-narrow linewidth(<1kHz).
Chilas offers narrow-linewidth tunable laser with butterfly package as well as OEM module.