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Proceedings Paper

Semiconductor optical amplifier with polarization-insensitive gain and polarization-insensitive phase modulation
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Paper Abstract

Apart from gain dependence on polarization state, phase modulation in semiconductor optical amplifier (SOA) is usually polarization dependent as a result of birefringence. This paper analyzes the factors that determine the polarization dependence of phase modulation and proposes the necessity of fabricating SOA with polarization-insensitive gain and polarization-insensitive phase modulation. Based on energy band theory, the strain effects on polarization dependences of gain and differential refractive index in multiple quantum-well (MQW) SOA are studied, it is demonstrated that SOA with polarization insensitive gain and polarization insensitive phase modulation can be achieved by optimal design of active region and waveguide structure.

Paper Details

Date Published: 6 December 2005
PDF: 9 pages
Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 60200E (6 December 2005); doi: 10.1117/12.634966
Show Author Affiliations
Lirong Huang, Huazhong Univ. of Science and Technology (China)
Dexiu Huang, Huazhong Univ. of Science and Technology (China)
Deming Liu, Huazhong Univ. of Science and Technology (China)
Xinliang Zhang, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 6020:
Optoelectronic Materials and Devices for Optical Communications
Shinji Tsuji; Jens Buus; Yi Luo, Editor(s)

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