Nanofiber manufacturing device and method for quantum computing

1 . A method for manufacturing a nanofiber cable device, the method comprising:

providing a fiber optical cable;

determining one or more refractive indices of a core and a clad of the fiber optical cable;

determining a core diameter of the fiber optical cable;

determining an effective refractive indices by an analytical solution and/or numerical solution of Maxwell equations of a core-cladding model;

determining an adiabatic angle as a function of a diameter, ranging from 200 nm to a base fiber diameter;

providing a flame-movement trajectory based on a linear volume-transport model; and

generating motorized-stage trajectory.

2 . The method of claim 1 wherein the fiber optical cable comprises one or more refractive indices of the core and the clad of the fiber optical cable at a design wavelength of the fiber optical cable calculated by providing a pure silica clad and a core with dopants to control a refractive index to form an optical waveguide with a given numerical aperture value specified.

3 . The method of claim 2 further comprising determining one or more dispersions of a pure silica and one or more dopants are using a Sellmeier equation.

4 . The method of claim 1 further comprising calculating a core diameter of the fiber optical cable by comparing a specified mode field diameter and an analytically obtained propagation mode fields by using one or more calculated refractive indices.

5 . The method of claim 1 further comprising determining one or more effective indices for a fundamental HE 11 mode and a first excited HE 12 mode, the first excited HE 12 mode has a same symmetry as the HE 11 mode.

6 . The method of claim 5 wherein the HE 11 mode functions and the HE 12 mode functions of a fiber diameter are processed by assuming a ratio of a clad and one or more core diameters remains constant.

7 . The method of claim 6 wherein the processing comprises using an analytical solution for a core-clad step-index waveguide used with a refractive index of the core and the clad materials when the fiber core diameter is larger than the operating wavelength.

8 . The method of claim 6 wherein the processing comprises using an analytical solution for a core-clad step-index waveguide used with a refractive index of the clad material and vacuum when the fiber core diameter is smaller than an operating wavelength.

9 . The method of claim 6 wherein the processing comprises using a numerical solution for a core-clad-vacuum step-index three-layer waveguide used with a refractive index of the core and the clad materials and vacuum.

10 . The method of claim 1 further comprising generating an adiabatic angle Ω(r) as a function of a fiber radius is calculated by using a calculated refractive indices of a fundamental HE 11 mode (β 1 ) and a first excited HE 12 mode (β 2 ) as

Ω

⁡

(

r

)

=

r

⁡

(

β

1

-

β

2

)

2

⁢

π

,

where d is a fiber diameter.

11 . The method of claim 1 further comprising using a numerical model of a flame-brushing method is based on a linear volume-transport model.

12 . The method of claim 1 wherein the calculation of the flame-movement trajectory is performed with a linear programming method, or a numerical optimization algorithm whereupon in the linear programming method, constraint from a numerical model of a flame-brushing method is applied.

13 . The method of claim 1 wherein the flame-movement trajectory is converted to one or more moving sequences for each translation stage in a pulling rig.

14 . The method of claim 1 further comprising an optical fiber processing method, the method comprising:

removing a jacket of the fiber optical cable;

cleaning an exposed region of the fiber optical cable;

aligning the fiber optical cable to a pulling rig for pulling;

controlling one or more pulling sequences by using a motorized translation stage; and

performing one or more optical measurements during the pulling to evaluate the pulling.