Sui, 2024 - Google Patents

Design of Gaussian beam grating couplers for integrated optical waveguides

Sui, 2024

View PDF
Document ID
14947317907788455658
Author
Sui X
Publication year

External Links

Snippet

The integrated photonic chip has become a key platform for modern optical communication, signal processing, sensing, and quantum technologies, owing to its wide bandwidth, low loss, and compatibility with CMOS technology. Among the various components of photonic …
Continue reading at www.politesi.polimi.it (PDF) (other versions)

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths
    • G02B6/125—Bends, branchings or intersections
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B2006/12083—Constructional arrangements
    • G02B2006/121—Channel; buried or the like
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B2006/12166—Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/122—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths
    • G02B6/1221—Light guides of the optical waveguide type of the integrated circuit kind basic optical elements, e.g. light-guiding paths made from organic materials
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/13—Integrated optical circuits characterised by the manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B2006/12133—Functions
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/12—Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/12002—Three-dimensional structures
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02295—Microstructured optical fibre
    • G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02057—Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02066—Gratings having a surface relief structure, e.g. repetitive variation in diameter of core or cladding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/10—Light guides of the optical waveguide type
    • G02B6/105—Light guides of the optical waveguide type having optical polarisation effects
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02004—Optical fibre with cladding with or without a coating characterised by the core effective area or mode field radius
    • G02B6/02009—Large effective area or mode field radius, e.g. to reduce nonlinear effects in single mode fibres
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00—Light guides
    • G02B6/02—Optical fibre with cladding with or without a coating
    • G02B6/02057—Optical fibre with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06F—ELECTRICAL DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/50—Computer-aided design

Similar Documents

Publication Publication Date Title
Wang et al. Embedded slanted grating for vertical coupling between fibers and silicon-on-insulator planar waveguides
Xu et al. Ultra‐sharp multi‐mode waveguide bending assisted with metamaterial‐based mode converters
US7680371B2 (en) Interface device for performing mode transformation in optical waveguides
US20200003970A1 (en) Grating couplers for a silicon on insulator waveguide, and methods of designing, fabricating and using the grating couplers
JPWO2006013805A1 (en) Planar optical circuit, wave propagation circuit design method and computer program
Hadij-ElHouati et al. Distributed Bragg deflector coupler for on-chip shaping of optical beams
Zagaglia et al. Experimental characterization of particle swarm optimized focusing non-uniform grating coupler for multiple SOI thicknesses
Naraine et al. A moderate confinement O-, S-, C-, and L-band silicon nitride platform enabled by a rapid prototyping integrated photonics foundry process
Fraser et al. Single-etch silicon nitride grating couplers for multiband applications in quantum and fiber communications
Lee Transmission and routing of optical signals in on-chip waveguides for silicon microphotonics
Sui Design of Gaussian beam grating couplers for integrated optical waveguides
Zaccaria et al. A fem enhanced transfer matrix method for optical grating design
Xu et al. Graded-index lens based edge coupler with low-loss, broad bandwidth for efficient coupling between silicon waveguide and standard single-mode fiber
Wang et al. Low-loss grating coupler enabled by unidirectional guided resonance through band inversion
Ghannam et al. Silicon nitride C-band grating couplers with reduced waveguide back-reflection
Gao et al. Ultra-Broadband Dual-Polarization Silicon Waveguide Crossing Architecture for Scalable Multi-Port Operation across ITU and 2 μm MIR Bands
Cheng Spectral tailoring of silicon integrated Bragg gratings
Singh et al. Parametric optimization of fiber to waveguide coupler using Bragg gratings
Dai et al. Three-dimensional hybrid modeling based on a beam propagation method and a diffraction formula for an AWG demultiplexer
Salhi et al. Polarization independent silicon micro antenna based on a subwavelength metamaterial
Sakin et al. Ultrafast pulse propagation time-domain dynamics in dispersive one-dimensional photonic waveguides
Zhang et al. Ultra-Low-Loss Si3N4 Grating Coupler Featuring Gradient Subwavelength Grating, Interlayer Coupling and Bragg Reflection
Chakrabartty et al. Design and optimization of a high-efficiency uniform Si3N4 grating coupler using parameter sweeping and comprehensive performance analysis
Dai et al. Analysis of integrated corner mirrors by using a wide-angle beam propagation method
Chan Ultra-compact Bragg grating devices in SOI