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Dual parallel modulation schemes for low-distortion analog optical transmission

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2 Author(s)
Korotky, S.K. ; AT&T Bell Labs., Holmdel, NJ, USA ; de Ridder, R.M.

The use of two integrated-optical modulators operated in parallel to attain low-distortion analog optical transmission is examined. This static feedforward approach achieves significantly improved linearity at the expense of small increases in the required optical power and moderate increases in the required drive voltage. A novel variation that uses the unique characteristics of an integrated-optical modulator to correct the dominant quadratic distortion of a directly modulated laser is proposed

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Selected Areas in Communications, IEEE Journal on  (Volume:8 ,  Issue: 7 )