27 November 2012 Polymer planar lightwave circuit based hybrid-integrated coherent receiver for advanced modulation signals
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Abstract
Applying coherent detection technique to advanced modulation formats makes it possible to electronically compensate the signal impairments. A key issue for a successful deployment of coherent detection technique is the availability of cost-efficient and compact integrated receivers, which are composed of an optical 90° hybrid mixer and four photodiodes (PDs). In this work, three different types of optical hybrids are fabricated with polymer planar lightwave circuit (PLC), and hybridly integrated with four vertical backside illuminated III-V PDs. Their performances, such as the insertion loss, the transmission imbalance, the polarization dependence and the phase deviation of 90° hybrid will be discussed.
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Jin Wang, Jin Wang, Yang Han, Yang Han, Zhongcheng Liang, Zhongcheng Liang, Yongjin Chen, Yongjin Chen, } "Polymer planar lightwave circuit based hybrid-integrated coherent receiver for advanced modulation signals", Proc. SPIE 8555, Optoelectronic Devices and Integration IV, 855520 (27 November 2012); doi: 10.1117/12.2000599; https://doi.org/10.1117/12.2000599
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