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公开(公告)号：US09696485B2
公开(公告)日：2017-07-04
申请号：US14333230
申请日：2014-07-16
Applicant: Oplink Communications, LLC
Inventor： Hongwei Mao , Zhongsheng Wang , Guijun Ji , Jinyuan Qiao , Tian Zhu , Lifu Gong
CPC classification number: G02B6/105 , G02B6/2746 , G02B6/32 , G02B27/285 , G02F1/093 , G02F2201/18 , G02F2203/06
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for optical communications. In one aspect, an optical circulator array includes a plurality of stacked three port circulators each having a respective first port of a first port array, a respective second port of a second port array, and a respective third port of a third port array, wherein each of the plurality of stacked three port circulators share optical components including: a first Wollaston prism coupled to the first port array, a first lens, a first half wave plate, a polarization dependent beam path separator, a second half wave plate, a second lens, a propagation direction dependent polarization rotation assembly, a second Wollaston prism coupled to the second port array, and a third Wollaston prism coupled to the third port array.
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公开(公告)号：US09927577B2
公开(公告)日：2018-03-27
申请号：US15450766
申请日：2017-03-06
Applicant: Oplink Communications, LLC
Inventor： Hongwei Mao , Lifu Gong , Gongjian Hu , Guijun Ji , Tian Zhu , Kun Lu
CPC classification number: G02B6/356 , G02B6/2706 , G02B6/29311 , G02B6/351 , G02B6/3518 , G02B6/3546 , G02B6/3554 , G02B6/3592 , H04Q11/0005 , H04Q2011/0026 , H04Q2011/0035
Abstract: Methods, systems, and apparatus for optical wavelength selective switching. One 2×2 wavelength selective switch array includes a plurality of optical input ports configured to receive one or more optical input beams, and a plurality of optical output ports configured to receive one or more one or more optical output beams wherein the plurality of optical input ports and optical output ports form an array of 2×2 optical port pairs; one or more optical conditioning and wavelength dispersion elements; a polarization modulator array having a plurality of polarizing modulation cells, each cell configured to independently change a polarization orientation of an optical beam passing through the cell and associated with a particular wavelength channel; and a polarization-selective beam-routing optical element configured to route each particular input beam to either a first output port or a second output port according to polarization orientation.
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公开(公告)号：US09798081B2
公开(公告)日：2017-10-24
申请号：US15615941
申请日：2017-06-07
Applicant: Oplink Communications, LLC
Inventor： Hongwei Mao , Zhongsheng Wang , Guijun Ji , Jinyuan Qiao , Tian Zhu , Lifu Gong
CPC classification number: G02B6/105 , G02B6/2746 , G02B6/32 , G02B27/285 , G02F1/093 , G02F2201/18 , G02F2203/06
Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for optical communications. In one aspect, an optical circulator array includes a plurality of stacked three port circulators each having a respective first port of a first port array, a respective second port of a second port array, and a respective third port of a third port array. Each of the plurality of staked three port circulators share optical components including a first micro lens array optically coupled to the first port array and the third port array, a first walk off crystal, a first half wave plate, a first faraday rotator, a first birefringence wedge pair, a second birefringence wedge pair, a second Faraday rotator, a second half wave plate, a second birefringence walk off crystal, and a second micro lens array optically coupled to the second port array.
