A fiber termination method of the type in which an optical fiber is provided with an angled, reflective endface, (a) providing a segment of an optical fiber, comprising a cladding and a plurality of cores (81a-c) for defining a respective plurality of waveguides for the transmission of light (105a-c) along the fiber axis; (b) at a selected end of the optical fiber segment, forming an endface at a selected angle relative to the fiber axis; and (c) depositing a material onto the angled endface to form an angled reflective surface, wherein the angled reflective surface is configured such that light (105a-c) propagating along the waveguide to the selected end of the optical fiber segment is reflected back into the optical fiber segment, and wherein the angled reflective surface is configured to prevent coupling of the backreflected light (105a-c) into the fiber core (81a-c), thereby allowing the backreflected light to dissipate along the length of the fiber segment, wherein the formed endface and the angled reflective surface have a convex shape that is configured to create different angles of reflection for different cores (81a-c), so as to achieve optimum suppression for light (105a-c) traveling in the different cores (81a-c), wherein the angled endface is configured to provide, for each of the plurality of waveguides, a respective angle θ relative to a plane perpendicular to the fiber axis, wherein light (105a-c) traveling along each of the plurality of waveguides towards the selected end of the optical fiber segment is reflected back into the optical fiber segment at a respective angle 2 θ relative to the fiber axis, and wherein θ is configured to obtain a desired fraction of reflected light according to the relationship R = 2 1 + cos 2 2 θ exp − 2 π 2 n 2 ω 2 λ 2 2 sin 2 2 θ 1 + cos 2 2 θ where, for each of the plurality of waveguides, n is the respective core refractive index of the core, ω is the respective spot size, and λ is the respective wavelength of the transmitted light. (a) providing a segment of an optical fiber, comprising a cladding and a plurality of cores (81a-c) for defining a respective plurality of waveguides for the transmission of light (105a-c) along the fiber axis; (b) at a selected end of the optical fiber segment, forming an endface at a selected angle relative to the fiber axis; and (c) depositing a material onto the angled endface to form an angled reflective surface, wherein the angled reflective surface is configured such that light (105a-c) propagating along the waveguide to the selected end of the optical fiber segment is reflected back into the optical fiber segment, and wherein the angled reflective surface is configured to prevent coupling of the backreflected light (105a-c) into the fiber core (81a-c), thereby allowing the backreflected light to dissipate along the length of the fiber segment, wherein the formed endface and the angled reflective surface have a convex shape that is configured to create different angles of reflection for different cores (81a-c), so as to achieve optimum suppression for light (105a-c) traveling in the different cores (81a-c), wherein the angled endface is configured to provide, for each of the plurality of waveguides, a respective angle θ relative to a plane perpendicular to the fiber axis, wherein light (105a-c) traveling along each of the plurality of waveguides towards the selected end of the optical fiber segment is reflected back into the optical fiber segment at a respective angle 2 θ relative to the fiber axis, and wherein θ is configured to obtain a desired fraction of reflected light according to the relationship R = 2 1 + cos 2 2 θ exp − 2 π 2 n 2 ω 2 λ 2 2 sin 2 2 θ 1 + cos 2 2 θ where, for each of the plurality of waveguides, n is the respective core refractive index of the core, ω is the respective spot size, and λ is the respective wavelength of the transmitted light. wherein the angled reflective surface is configured to prevent coupling of the backreflected light (105a-c) into the fiber core (81a-c), thereby allowing the backreflected light to dissipate along the length of the fiber segment, wherein the formed endface and the angled reflective surface have a convex shape that is configured to create different angles of reflection for different cores (81a-c), so as to achieve optimum suppression for light (105a-c) traveling in the different cores (81a-c), wherein the angled endface is configured to provide, for each of the plurality of waveguides, a respective angle θ relative to a plane perpendicular to the fiber axis, wherein light (105a-c) traveling along each of the plurality of waveguides towards the selected end of the optical fiber segment is reflected back into the optical fiber segment at a respective angle 2 θ relative to the fiber axis, and wherein θ is configured to obtain a desired fraction of reflected light according to the relationship R = 2 1 + cos 2 2 θ exp − 2 π 2 n 2 ω 2 λ 2 2 sin 2 2 θ 1 + cos 2 2 θ where, for each of the plurality of waveguides, n is the respective core refractive index of the core, ω is the respective spot size, and λ is the respective wavelength of the transmitted light.