Changjin Yang , Yao Li , Qiang Cui , Lei Liang , Li Qin , Langyong Huang , Yongyi Chen , Yubing Wang , Yue Song , Cheng Qiu , Chuantao Zheng , Dabing Li , Lijun Wang
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引用次数: 0
Abstract
We present a narrow-linewidth, high-power, widely-tunable III-V/Si3N4 hybrid integrated external cavity laser. The laser is composed of a reflector semiconductor optical amplifier chip, a Si3N4 external cavity with triple micro-ring resonators, and a semiconductor optical amplifier chip. The laser achieved a side-mode suppression ratio (SMSR) greater than 50 dB across an 89 nm wavelength tuning range. The maximum fiber output power reached 101.4 mW at the wavelength of 1550 nm. The minimized Lorentzian linewidth was 0.252 kHz, with a minimum RIN of −156 dBc/Hz. This exceptional performance positions the laser as a strong candidate for applications in gas sensing, LiDAR, coherent optical communication, and other advanced fields.
期刊介绍：
Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication.
The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas:
•development in all types of lasers
•developments in optoelectronic devices and photonics
•developments in new photonics and optical concepts
•developments in conventional optics, optical instruments and components
•techniques of optical metrology, including interferometry and optical fibre sensors
•LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow
•applications of lasers to materials processing, optical NDT display (including holography) and optical communication
•research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume)
•developments in optical computing and optical information processing
•developments in new optical materials
•developments in new optical characterization methods and techniques
•developments in quantum optics
•developments in light assisted micro and nanofabrication methods and techniques
•developments in nanophotonics and biophotonics
•developments in imaging processing and systems
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