Patent ID: 11901699
Assignee: SUZHOU INSTITUTE OF NANO-TECH AND NANO-BIONICS (SINANO) , CHINESE ACADEMY OF SCIENCES
Field: Optics (Instruments)
Classification: CPC H  G | IPC G  H

Claim 10:
11. The narrow linewidth laser according to claim 2, wherein the laser is of a monolithically integrated configuration, wherein the first gain region is further provided with a grating structure, wherein the grating structure forms a distributed feedback (DFB) laser or a distributed Bragg (DBR) laser together with the first gain region; the second gain region comprises a semiconductor optical amplifier; a laser configuration comprises a heterogeneously integrated configuration, a butt-joint integrated configuration or a micro-assembled integrated configuration; in all these configurations, the first gain region comprises a semiconductor optical amplifier or a DFB laser or a DBR laser, and the second gain region comprises a semiconductor optical amplifier.