基于1550nm InAs/InP Quantum Dash的直接调制激光器的啁啾优化,可实现10Gb/s SMF传输,传输距离为65Km

F. Lelarge, N. Chimot, B. Rousseau, F. Martin, R. Brenot, A. Accard
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引用次数: 4

摘要

报道了1.55µm直调激光的inp基量子谱线的静态和动态特性。通过生长和设计优化,我们证明了线宽增强因子在阈值以上低至2,并且随着注入电流的减小而减小。这种独特的啁啾行为导致在背对背恒定偏置电流下无补偿和无放大的SMF 10Gb/s传输高达65km。这一结果为制造用于访问和城域应用的低成本DML开辟了道路。
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Chirp optimization of 1550nm InAs/InP Quantum Dash based directly modulated lasers for 10Gb/s SMF transmission up to 65Km
Static and dynamic properties of InP-based Quantum Dashes of 1.55µm directly modulated lasers are reported. Using growth and design optimization, we demonstrate linewidth enhancement factor above threshold as low as 2 and decreasing with injected current. This unique chirp behavior leads to uncompensated and non-amplified SMF 10Gb/s transmissions at a constant bias current from back-to-back up to 65km. This result opens the way to the fabrication of a low cost DML for access and metro applications.
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