Multiplexed transmission by optical beam transformation
Aspects of this technical solution are directed to multiplexed transmission by optical beam transmission. A method can include generating a first beam having a first frequency in an optical frequency range, generating a second beam including data and having a second frequency in the optical frequency range, converting the first beam and the second beam into a third beam including the data and having a third frequency based on a difference between the first frequency and the second frequency, and transforming the third beam into a fourth beam having a first angular distribution and including a first portion of the data, and into a fifth beam having a second angular distribution corresponding to the first angular distribution and including a second portion of the data.
1 . A system of transmission supporting multiplexed communication by optical beam transformation, the system comprising:
a first beam generator to generate a first beam having a first frequency in an optical frequency range;
a second beam generator to generate a second beam having a second frequency in the optical frequency range;
a beam modulator operatively coupled with the second beam generator to modulate the second beam to include data;
an optical fiber operatively coupled with the first beam generator and the beam modulator to convert the first beam and the second beam into a third beam including the data and having a third frequency based on a difference between the first frequency and the second frequency; and
a phase transformer operatively coupled with a photodiode to transform the third beam into a fourth beam having a first angular distribution and including a first portion of the data, and into a fifth beam having a second angular distribution corresponding to the first angular distribution and including a second portion of the data.
2 . The system of claim 1 , the phase transformer comprising:
a first spiral phase plate to transform the third beam into the fourth beam; and
a second spiral phase plate to transform the third beam into the fifth beam.
3 . The system of claim 1 , the optical fiber comprising:
a first fiber channel having a first length to transmit a portion of the third beam corresponding to the first beam at a first delay; and
a second fiber channel having a second length to transmit a portion of the third beam corresponding to the second beam at a second delay greater than the first delay.
4 . The system of claim 1 , the second frequency satisfying a predetermined frequency threshold corresponding to the first frequency.
5 . The system of any of claim 1 , the difference between the first frequency and the second frequency satisfying a predetermined frequency threshold.
6 . The system of claim 1 , the optical frequency range including one or more frequencies corresponding to one or more of visible light, ultraviolet energy, and infrared energy.
7 . The system of claim 1 , further comprising:
a photodiode operatively coupled with the optical fiber to convert the first beam and the second beam into the third beam.
8 . The system of claim 1 , the fourth beam including the first portion of the data corresponding to a first channel of the data, and the fifth beam including the second portion of the data corresponding to a second channel of the data.
9 . The system of claim 1 , the first angular distribution having a first circular cross section, and the second angular distribution having a second circular cross section corresponding to the first circular cross section.
10 . The system of claim 9 , the phase transformer to align the fourth beam and the fifth beam concentrically based on a first center of the first circular cross section and a second center of the second circular cross section.
11 . The system of claim 10 , further comprising:
a transmitter operatively coupled with the phase transformer to transmit the aligned fourth beam and the fifth beam.
12 . A method of transmission supporting multiplexed communication by optical beam transformation, the method comprising:
generating a first beam having a first frequency in an optical frequency range;
generating a second beam including data and having a second frequency in the optical frequency range;
converting the first beam and the second beam into a third beam including the data and having a third frequency based on a difference between the first frequency and the second frequency; and
transforming the third beam into a fourth beam having a first angular distribution and including a first portion of the data, and into a fifth beam having a second angular distribution corresponding to the first angular distribution and including a second portion of the data.
13 . The method of claim 12 , further comprising:
generating the second beam by modulating the second beam to include the data.
14 . The method of any of claim 12 , the difference between the first frequency and the second frequency satisfies a predetermined frequency threshold.
15 . The method of claim 12 , further comprising:
converting, by a photodiode, the first beam and the second beam into the third beam.
16 . The method of claim 12 , further comprising:
transforming, by a spiral phase plate, the third beam into the fourth beam and the fifth beam.
17 . The method of claim 12 , the fourth beam including the first portion of the data corresponding to a first channel of the data, and the fifth beam including the second portion of the data corresponding to a second channel of the data.
18 . The method of claim 12 , further comprising:
aligning the fourth beam and the fifth beam concentrically based on a first center of a first circular cross-section of the first angular distribution, and based on a second center of a second circular cross section corresponding to the first circular cross section; and
transmitting the aligned fourth beam and the fifth beam.
19 . A system of transmission supporting multiplexed communication by optical beam transformation, the system comprising:
a transmitter system comprising:
a first beam generator to generate a first beam having a first frequency in an optical frequency range;
a second beam generator to generate a second beam having a second frequency in the optical frequency range;
a beam modulator operatively coupled with the second beam generator to modulate the second beam to include data;
an optical fiber operatively coupled with the first beam generator and the beam modulator to convert the first beam and the second beam into a third beam including the data and having a third frequency based on a difference between the first frequency and the second frequency; and
a phase transformer operatively coupled with a photodiode to transform the third beam into a fourth beam having a first angular distribution and including a first portion of the data, and into a fifth beam having a second angular distribution corresponding to the first angular distribution and including a second portion of the data; and
a receiver system comprising:
a second phase transformer to receive the fourth beam and the fifth beam;
an optical signal converter to transform the fourth beam and the fifth beam into a sixth beam in the optical frequency range including the first portion and the second portion of the data; and
a digital signal processor to generate, based on the sixth beam, a first electrical signal including the first portion and the second portion of the data.
20 . The system of claim 19 , the optical signal converter comprising:
a first spiral phase plate to transform the fourth beam and the fifth beam into the sixth beam.