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Dynamic frequency response for InGaAs/InAlAs multiple quantum well optical modulators

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4 Author(s)
Wakita, K. ; Opto-Electron. Labs., NTT, Kanagawa, Japan ; Kotaka, I. ; Kawamura, Y. ; Mikami, Osamu

The frequency response of InGaAs/InAlAs multiple-quantum-well (MQW) optical modulators and their dependence on incident light power are described. No decrease in small-signal modulation bandwidth was observed up to ten times the initial value of 1 mW. The mechanism of the frequency-response difference between InGaAs/InAlAs MQW modulators and InGaAs/InP modulators is discussed.<>

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Photonics Technology Letters, IEEE  (Volume:1 ,  Issue: 1 )