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Operating point optimization of self‐linearized differential quantum well electroabsorptive modulator
Author(s) -
Yazdani F.,
De Souza E. A.
Publication year - 2010
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.24815
Subject(s) - linearity , maximization , modulation (music) , microwave , biasing , power (physics) , voltage , physics , optics , mathematics , quantum mechanics , acoustics , mathematical optimization
Electroabsorptive modulators require large depth of modulation and maximum length of in–out linearity. A systematic approach to optimize the operation of these modulators based on quantum‐confined Stark effect is presented here. The conventional operation of differential modulator, following span linearity maximization by adjusting the incident power of laser beams and modulation depth enhancement by reverse bias voltage adjustment, is presented. The results show the optimum bias voltage as 8 V and read out beam power as 175 nW. © 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1–4, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.24815

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