Photonic Wirebonds (PWB) and 3D-printed freeform-lenses allow to fabricate widely-tunable, record-low “Sub-kHz-linewidth external-cavity laser (ECL) with Si3N4 resonator used as a tunable pump for a Kerr frequency comb

9. Feb, 2023 | News

Combining optical gain in direct-bandgap III-V materials with tunable optical feedback offered by advanced photonic integrated circuits is key to chip-scale external-cavity lasers (ECL), offering wideband tunability along with low optical linewidths. External feedback...