Characterization of DFB Laser and its high-speed optical interconnection at 4 K and room temperature
Optics Communications(2022)
Abstract
In this article, an optical interconnection system from low temperature (4 K) to room temperature was built based on a conventional Distributed Feedback Laser. The curves of P–I–V and the spectra of Distributed Feedback Laser were characterized from 296K to 4K. The laser spectrum had a significant blue shift from 296 K to 4 K, the bandwidth of 16.18 GHz and 12 Gbps eye diagram was achieved.
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Key words
Distributed Feedback Laser (DFB),Directly modulated laser (DML),Low temperature,Semiconductor laser,High speed
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