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1.5-μm InGaAsP-InP multigain-levered-MQW-DFB-LD with high-efficiency and large-bandwidth FM response

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5 Author(s)
Jong-In Shim ; Dept. of Electron. Eng., Hanyang Univ., Ansan, South Korea ; Olesen, H. ; Yamazaki, H. ; Yamaguchi, M.
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A 1.5-μm multigain-levered (MGL)-MQW-DFB-LD which utilizes a new concept of multigain-levering is proposed and realized by two-step selective MOVPE growth. The device consists of three sections with different bandgap energies. High- and flat-FM-efficiency value of 10 GHz/mA was theoretically and experimentally demonstrated up to the 2 GHz modulation frequency

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:1 ,  Issue: 2 )