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公开(公告)号：US20200096702A1
公开(公告)日：2020-03-26
申请号：US16138122
申请日：2018-09-21
Applicant: Nokia Solutions and Networks OY
Inventor： Po Dong , Kwangwoong Kim , Argishti Melikyan
Abstract: A photonic chip having a photonic-circuit layer supported on a substrate, the photonic-circuit layer including a suspended portion that extends beyond the outline of the substrate on the photonic-circuit layer. In various embodiments, the suspended portion may host one or more functional optical elements, such as an on-chip grating coupler, an on-chip microring resonator, and an on chip optical waveguide, that can be used to couple light in and out of the photonic chip. The geometry of the suspended portion enables unencumbered (e.g., double-sided) access to the one or more functional optical elements located therein and can advantageously be used to place an optical fiber and/or a second photonic chip sufficiently close to those functional optical elements to achieve a high chip-to-fiber or chip-to-chip optical-coupling efficiency.
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公开(公告)号：US20220208681A1
公开(公告)日：2022-06-30
申请号：US17139388
申请日：2020-12-31
Applicant: Nokia Solutions and Networks Oy
Inventor： Argishti Melikyan
IPC: H01L23/538 , H01L25/065
Abstract: An apparatus including a carrier mount having a staircase of steps in an opening in the carrier mount and a plurality of dies, each one of the dies having at least a portion of an edge of a major surface thereof located on one of the steps corresponding to the one of the dies such that the dies form a stack, major surfaces of the dies being substantially parallel in the stack, each of the dies having one or more electro-optical devices thereon.
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公开(公告)号：US20190250329A1
公开(公告)日：2019-08-15
申请号：US15897478
申请日：2018-02-15
Applicant: Nokia Solutions and Networks Oy
Inventor： Argishti Melikyan , Po Dong
CPC classification number: G02B6/125 , G02B6/1228 , G02B2006/12061 , G02B2006/12097 , G02B2006/121 , G02B2006/12147 , G02B2006/1215
Abstract: An apparatus includes a substrate having a planar surface and an optical waveguide having an optical core located on said substrate. The optical core is along and may even be parallel to said surface. A cross section of the optical core varies throughout a segment of the optical core. A light guiding direction of the optical waveguide bends through, at least, 90 degrees along the segment.
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公开(公告)号：US10295741B2
公开(公告)日：2019-05-21
申请号：US15476607
申请日：2017-03-31
Applicant: Nokia Solutions and Networks Oy
Inventor： Argishti Melikyan , Young-Kai Chen , Po Dong
Abstract: An optical apparatus comprising an optical device having an optical input-output face, at least two planar waveguide arms being located on a substrate, an optical splitter being located on the substrate, and, an optical grating coupler being located on the substrate. The optical splitter has an optical input and a plurality of optical outputs, each optical output being optically connected to a corresponding one of the planar waveguide arms. The optical grating coupler is connected to receive light from each planar waveguide arm and form diffraction pattern therefrom such that a principal maximum of one of the diffraction patterns overlaps with a principal maximum of another of the diffraction patterns on the optical input-output face of the optical device, the principal maxima of the one and another of the diffraction patterns being directed in different directions.
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公开(公告)号：US11664318B2
公开(公告)日：2023-05-30
申请号：US17139388
申请日：2020-12-31
Applicant: Nokia Solutions and Networks Oy
Inventor： Argishti Melikyan
IPC: H01L23/538 , H01L25/065 , H01L25/16 , G02B6/24 , G02B6/13 , G02B6/122
CPC classification number: H01L23/5384 , G02B6/24 , H01L23/5385 , H01L23/5386 , H01L25/0657 , H01L25/167 , G02B6/122 , G02B6/13 , H01L2221/68313
Abstract: An apparatus including a carrier mount having a staircase of steps in an opening in the carrier mount and a plurality of dies, each one of the dies having at least a portion of an edge of a major surface thereof located on one of the steps corresponding to the one of the dies such that the dies form a stack, major surfaces of the dies being substantially parallel in the stack, each of the dies having one or more electro-optical devices thereon.
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Patent Agency Ranking
公开(公告)号：US10983276B2
公开(公告)日：2021-04-20
申请号：US15604817
申请日：2017-05-25
Applicant: Nokia Solutions and Networks OY
Inventor： Argishti Melikyan , Po Dong
Abstract: An optical device that can be used as an optical hybrid, e.g., in CMOS-compatible PICs. In an example embodiment, the optical device has a single optical input and four optical outputs. The two optical input signals to be mixed in the optical device are applied to the single optical input as transverse electric (TE) and transverse magnetic (TM) polarization components, respectively, of the corresponding polarization-multiplexed optical input signal. In response to the latter, the optical device causes the four outputs to receive four different relative-phase combinations of the two optical input signals, each combination being coupled into a TE waveguide mode at the respective optical output. A PIC having one or more instances of the optical device can be used, e.g., to implement a coherent optical receiver, wherein the TE and TM polarization components of the optical input signal are populated by a communication signal and a local-oscillator signal.
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公开(公告)号：US10649138B2
公开(公告)日：2020-05-12
申请号：US16138122
申请日：2018-09-21
Applicant: Nokia Solutions and Networks OY
Inventor： Po Dong , Kwangwoong Kim , Argishti Melikyan
Abstract: A photonic chip having a photonic-circuit layer supported on a substrate, the photonic-circuit layer including a suspended portion that extends beyond the outline of the substrate on the photonic-circuit layer. In various embodiments, the suspended portion may host one or more functional optical elements, such as an on-chip grating coupler, an on-chip microring resonator, and an on chip optical waveguide, that can be used to couple light in and out of the photonic chip. The geometry of the suspended portion enables unencumbered (e.g., double-sided) access to the one or more functional optical elements located therein and can advantageously be used to place an optical fiber and/or a second photonic chip sufficiently close to those functional optical elements to achieve a high chip-to-fiber or chip-to-chip optical-coupling efficiency.
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公开(公告)号：US20210088870A1
公开(公告)日：2021-03-25
申请号：US17025289
申请日：2020-09-18
Applicant: Nokia Solutions and Networks Oy
Inventor： Argishti Melikyan , Po Dong
IPC: G02F1/225
Abstract: An apparatus including an optical modulator and an electronic controller. The optical modulator includes a parallel-nested pair of MZIs, each arm of the MZIs including one or more EAMs therein. The electronic controller is electrically connected to drive the MZIs such that the optical modulator outputs an optical carrier modulated according to a quadrature amplitude modulation constellation with at least five different symbols.
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公开(公告)号：US10715258B1
公开(公告)日：2020-07-14
申请号：US16402558
申请日：2019-05-03
Applicant: Nokia Solutions and Networks Oy
Inventor： Argishti Melikyan , Po Dong
Abstract: An apparatus including first, second, third and fourth photodiodes, optical mixer and first and second optical power splitters. The optical mixer has two or more input ports, three output ports to output first, second and third mixtures of light corresponding to input light received from the input ports and transferred to the output ports. The first splitter has an input port and first and second output ports, to transmit part of one of the mixtures of light from one of the output ports to the first photodiode and a remaining part of the one mixture of light from the other one of the output ports to the third photodiode. The second splitter has an input port and first and second output ports, the second splitter to transmit part of another one of the mixtures of light from one of the output ports to the first photodiode and a remaining part of the other one of the mixtures of light from the other one of the output ports to the fourth photodiode. The third output port of the optical mixer is connected to transmit a different one of the mixtures of light to the second photodiode.
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公开(公告)号：US20180341062A1
公开(公告)日：2018-11-29
申请号：US15604817
申请日：2017-05-25
Applicant: Nokia Solutions and Networks OY
Inventor： Argishti Melikyan , Po Dong
Abstract: An optical device that can be used as an optical hybrid, e.g., in CMOS-compatible PICs. In an example embodiment, the optical device has a single optical input and four optical outputs. The two optical input signals to be mixed in the optical device are applied to the single optical input as transverse electric (TE) and transverse magnetic (TM) polarization components, respectively, of the corresponding polarization-multiplexed optical input signal. In response to the latter, the optical device causes the four outputs to receive four different relative-phase combinations of the two optical input signals, each combination being coupled into a TE waveguide mode at the respective optical output. A PIC having one or more instances of the optical device can be used, e.g., to implement a coherent optical receiver, wherein the TE and TM polarization components of the optical input signal are populated by a communication signal and a local-oscillator signal.
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