Electrical-to-coherent optical-to-electrical data communication cable assembly

A data communication cable assembly, comprising:

• a first connector configured to connect to a first device, wherein the first connector includes a first coherent optical transmitter configured to:
• receive a first electrical data signal from the first device;
• and
• coherently modulate a first optical carrier with the first electrical data signal to generate a first optical data signal;
• a cable including a first end mechanically coupled to the first connector, wherein the cable comprises at least one optical fiber;
• and
• a second connector mechanically coupled to a second end of the cable, and configured to connect to a second device, wherein the second connector includes a first coherent optical receiver configured to:
• receive the first optical data signal from the first coherent optical transmitter via the at least one optical fiber;
• and
• coherently demodulate the first optical data signal using the first or a second optical carrier to regenerate the first electrical data signal for the second device;
• wherein the second connector further comprises a first continuous wave (CW) laser configured to generate the first optical carrier, wherein the first coherent optical transmitter is configured to receive the first optical carrier via the at least one optical fiber.

A data communication cable assembly, comprising:

• a first connector configured to connect to a first device, wherein the first connector includes a first coherent optical transmitter configured to:
• receive a first electrical data signal from the first device;
• and
• coherently modulate a first optical carrier with the first electrical data signal to generate a first optical data signal;
• a cable including a first end mechanically coupled to the first connector, wherein the cable comprises at least one optical fiber;
• and
• a second connector mechanically coupled to a second end of the cable, and configured to connect to a second device, wherein the second connector includes a first coherent optical receiver configured to:
• receive the first optical data signal from the first coherent optical transmitter via the at least one optical fiber;
• and
• coherently demodulate the first optical data signal using the first or a second optical carrier to regenerate the first electrical data signal for the second device;
• wherein the first coherent optical transmitter includes a polarization beam splitter configured to polarize the first optical carrier to generate first and second orthogonally polarized optical carriers, wherein the first coherent optical transmitter is configured to coherently modulate the first and second orthogonally polarized optical carriers to generate the first optical data signal including first and second orthogonally polarized optical data signals, respectively.

A data communication cable assembly, comprising:

• a first connector configured to connect to a first device, wherein the first connector includes a first coherent optical transmitter configured to:
• receive a first electrical data signal from the first device;
• and
• coherently modulate a first optical carrier with the first electrical data signal to generate a first optical data signal;
• a cable including a first end mechanically coupled to the first connector, wherein the cable comprises at least one optical fiber;
• and
• a second connector mechanically coupled to a second end of the cable, and configured to connect to a second device, wherein the second connector includes a first coherent optical receiver configured to:
• receive the first optical data signal from the first coherent optical transmitter via the at least one optical fiber;
• and
• coherently demodulate the first optical data signal using the first or a second optical carrier to regenerate the first electrical data signal for the second device;
• wherein the first coherent optical receiver comprises:
• a polarization splitter configured to split the first optical data signal into orthogonally polarized optical data signals;
• a polarization beam splitter configured to polarize the first or second optical carrier to generate first and second orthogonally polarized optical carriers;
• a hybrid configured to combine the orthogonally polarized optical data signals with the first and second orthogonally polarized optical carriers to generate first orthogonally polarized I- and Q-optical data signal and second orthogonally polarized I- and Q-optical data signals;
• an optical-to-electrical-converter configured to convert the first orthogonally polarized I- and Q-optical data signal and second orthogonally polarized I- and Q-optical data signals into a set of analog signals;
• and
• an analog coherent receiver to regenerate the first electrical data signal based on the set of analog signals.