Large Enhancement of Linearity in Electroabsorption Modulator with Composite Quantum-Well Absorption Core(Optical Active Devices and Modules, <Joint Special Section>Recent Progress in Optoelectronics and Communications)

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概要

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• We proposed a novel structure that improved the linear characteristics of electroabsorption modulator (EAM) with composite quantum-wells as an absorption core layer. We fabricated three types of EAM's whose active cores were 8nm thick, 12nm thick and a composite core with 8nm thick and 12nm thick quantum-well (QW), respectively. The transfer functions of EAM's were investigated and their third-order inter-modulation distortion (IMD3) was obtained by calculation. The spurious free dynamic range (SFDR) was measured and compared with three types of QW. The linearity of the device with composite quantum-well showed a large enhancement in SFDR by 9.3dB・Hz^<2/3> in TE mode and 7.0dB・Hz^<2/3> in TM mode compared with the conventional EAM.

• 社団法人電子情報通信学会の論文
• 2005-05-01

著者

• Kim Sung

  Basic Science Research Institute Chonbuk National University

• Chung Yong

  Basic Research Laboratory Etri Daejeon

• Kim Sung

  Basic Research Laboratory Etri Daejeon

• Kang Young‐shik

  Kats Gwacheon Kor

• KANG Young

  Basic Research Laboratory, ETRI, Daejeon

• LIM Jiyoun

  Device Engineering Team, Knowledge on INC.

• KIM Jeha

  Basic Research Laboratory, ETRI, Daejeon

• Kim Jeha

  Etri Daejeon Kor

• Lim Jiyoun

  Device Engineering Team Knowledge On Inc.

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• Large Enhancement of Linearity in Electroabsorption Modulator with Composite Quantum-Well Absorption Core(Optical Active Devices and Modules, Recent Progress in Optoelectronics and Communications)

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