Widely Tunable Narrow-Linewidth Lasers Using Self-Injection DBR Lasers
Photonics Technology Letters, IEEE （2015）
Abstract
A widely tunable distributed Bragg reflector (DBR) laser with kilohertz linewidth output is demonstrated using a dual-loop self-injection scheme. The self-injection-locked narrow linewidth DBR laser can be tuned by 13 nm, covering 18 channels, with side mode suppression ratios over 38 dB and linewidths all <;10 kHz.
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Key words
distributed Bragg reflectors,integrated optics,laser feedback,laser tuning,semiconductor lasers,distributed Bragg reflector,dual-loop self-injection scheme,kilohertz linewidth output,self-injection DBR lasers,side mode suppression ratio,widely tunable narrow-linewidth lasers,Diode lasers,narrow linewidth,self-injection feedback,tunable lasers
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