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Design and measurement of an MQW nipi waveguide modulator for optoelectronic integrated circuits

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6 Author(s)
Koehler, Steffen D. ; Center for Laser Studies, Univ. of Southern California, Los Angeles, CA, USA ; Garmire, Elsa M. ; Kost, A.R. ; Yap, D.
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A procedure for optimizing MQW hetero-nipi waveguide phase modulators is presented that includes both drive voltage and frequency response. Experimental phase change, absorption change, and frequency response measurements of a modulator designed using this algorithm are presented. In a 300-μm-long device consisting of 3 nipi periods, π phase shift is achieved with an applied voltage of 3.25 V with a frequency bandwidth on the order of 200 MHz

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Quantum Electronics, IEEE Journal of  (Volume:32 ,  Issue: 6 )