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Design of Photonic Crystal Semiconductor Optical Amplifier With Polarization Independence

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7 Author(s)
Yejin Zhang ; Nano-Optoelectron. Lab., Chinese Acad. of Sci., Beijing, China ; Wanhua Zheng ; Qi Aiyi ; Hongwei Qu
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Slow-light effects in photonic crystal (PC) waveguides can enhance light-mater interaction near the photonic band edge, which can be used to design a short cavity length semiconductor optical amplifier (SOA). In this paper, a novel SOA based on slow-light effects in PC waveguides (PCSOA) is presented. To realize the amplification of the optical signal with polarization independence, a PCSOA is designed with a compensated structure. The cascaded structure leads to a balanced amplification to the TE and TM polarized light.

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Lightwave Technology, Journal of  (Volume:28 ,  Issue: 22 )