GaAs-based transverse junction superluminescent diodes with strain-compensated InGaAs-GaAsP multiple-quantum-wells at 1.1-μm wavelength

Shi Hao Guol, Ming Ge Chou, Ying Jay Yang, Chi Kuang Sun, Jin Wei Shi

研究成果: 雜誌貢獻期刊論文同行評審

3 引文 斯高帕斯(Scopus)

摘要

In this study, we demonstrate a transverse junction superluminescent diode (TJ-SLD) with an engagement of chirped In xGa $ 1 - xAsGaAs 0.9P 0.1 strain-compensated multiple-quantum-wells (SC MQWs) at 1.1-μm wavelength. The problem relative to inhomogeneous carrier distribution in each QW, which is a problem in traditional vertical junction SLDs (VJ-SLDs), can be effectively minimized by utilizing the benefit of lateral carrier injection in TJ devices. Our demonstrated device offers significant improvements in threshold current, output power, and optical bandwidths compared to TJ-SLD without SC MQWs. Furthermore, compared with the high-performance ∼1-μm VJ-SLDs, this novel device exhibits a comparable output power and 3-dB bandwidth performance with a more stable electroluminescence spectrum, which varies only negligibly under a wide range of bias current.

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文章編號5447643
頁(從 - 到)917-919
頁數3
期刊IEEE Photonics Technology Letters
22
發行號12
DOIs
出版狀態已出版 - 2010

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