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Single mode 1.27-μm InGaAs:Sb-GaAs-GaAsP Quantum Well Vertical Cavity Surface Emitting Lasers

機譯:單模1.27μmInGaAs:Sb-GaAs-GaAsP量子阱垂直腔表面發射激光器

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摘要

1.27 μm InGaAs:Sb-GaAs-GaAsP vertical cavity surface emitting lasers (VCSELs) were grown by metalorganic chemical vapor deposition (MOCVD) and exhibited excellent performance and temperature stability. The threshold current changes from 1.8 to 1.1 mA and the slope efficiency falls less than ~35% as the temperature raised from room temperature to 70℃. With a bias current of only 5mA, the 3dB modulation frequency response was measured to be 8.36 GHz, which is appropriate for 10 Gb/s operation. The maximal bandwidth is measured to be 10.7 GHz with modulation current efficiency factor (MCEF) of ~ 525 GHz/(mA)~(1/2). These VCSELs also demonstrate high-speed modulation up to 10 Gb/s from 25℃ to 70℃.
機譯:通過金屬有機化學氣相沉積(MOCVD)生長了1.27μmInGaAs:Sb-GaAs-GaAsP垂直腔表面發射激光器(VCSEL),它具有出色的性能和溫度穩定性。隨著溫度從室溫升高到70℃,閾值電流從1.8mA變為1.1mA,斜率效率下降到?35%以下。在偏置電流僅為5mA的情況下,測得的3dB調制頻率響應為8.36 GHz,適用于10 Gb / s的操作。測量的最大帶寬為10.7 GHz,調制電流效率因子(MCEF)為525 GHz /(mA)?(1/2)。這些VCSEL還展示了從25℃到70℃的高達10 Gb / s的高速調制。

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