EFFICIENT INGAASP/INP MULTIPLE QUANTUM-WELL WAVE-GUIDE OPTICAL-PHASE MODULATOR

被引：16

作者：

TSANG, HK ^{[1
]}

SOOLE, JBD ^{[1
]}

LEBLANC, HP ^{[1
]}

BHAT, R ^{[1
]}

KOZA, MA ^{[1
]}

WHITE, IH ^{[1
]}

机构：

[1] UNIV CAMBRIDGE,DEPT ENGN,CAMBRIDGE CB2 1PZ,ENGLAND

来源：

APPLIED PHYSICS LETTERS | 1990年 / 57卷 / 22期

关键词：

D O I：

10.1063/1.103910

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report an InGaAsP/InP multiple quantum well optical phase modulator which has a high phase modulation efficiency and low loss modulation over the entire 1.5-1.56 μm fiber band. For a 4-mm-long device, π phase modulation requires a modulation voltage of only 0.6 V at 1.49 μm and 1.1 V at 1.55 μm wavelength. The absorption modulation for a 0-5 V bias change is negligible at 1.55 μm, rising to 0.7 cm-1 at 1.49 μm. The spectral dependence of the electrorefraction from the quantum-confined Stark effect has also been measured for the first time over a wide continuous wavelength range. Far from the absorption edge the electrorefraction decreases approximately as the square of the energy detuning.

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收藏

页码：2285 / 2287

页数：3

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