Dual fiber optic amplifier with shared pump source

A dual fiber optic amplifier comprising:

• a pump source that emits light;
• a pump splitter that splits the light emitted by the pump source into two or more portions, a first portion directed in a first direction and a second portion directed in a second direction;
• a first optical power amplifier having an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the first portion of light emitted from the pump source is coupled into the optical fiber input of the first optical power amplifier;
• and a second optical power amplifier having an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the second portion of light emitted from the pump source is coupled into the optical fiber input of the second optical power amplifier;
• a first detector coupled to at least one of the optical fiber input and the optical fiber output of the first optical power amplifier;
• a second detector coupled to at least one of the optical fiber input and the optical fiber output of the second optical power amplifier;
• and
• logic circuitry coupled to the first and second detectors and the pump source, for controlling the pump source in accordance with optical signals detected by at least one of the first and second detectors, wherein the logic circuitry is configured to modulate operation of the pump source in accordance with optical signals detected by at least one of the first and second detectors.

A dual fiber optic amplifier comprising:

• a pump source that emits light;
• a pump splitter that splits the light emitted by the pump source into two or more portions, a first portion directed in a first direction and a second portion directed in a second direction;
• a first optical power amplifier having an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the first portion of light emitted from the pump source is coupled into the optical fiber input of the first optical power amplifier;
• and a second optical power amplifier having an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the second portion of light emitted from the pump source is coupled into the optical fiber input of the second optical power amplifier;
• and
• at least one optical component comprising at least two input optical pigtails, at least two output optical pigtails and a passive optical sub-component interposed between the input optical pigtails and output optical pigtails.

A dual fiber optic amplifier comprising:

• a pump source that emits light;
• a pump splitter that splits the light emitted by the pump source into two or more portions, a first portion directed in a first direction and a second portion directed in a second direction;
• a first optical power amplifier having an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the first portion of light emitted from the pump source is coupled into the optical fiber input of the first optical power amplifier;
• and a second optical power amplifier having an optical fiber input, an optical fiber output, and a doped fiber portion, wherein the second portion of light emitted from the pump source is coupled into the optical fiber input of the second optical power amplifier;
• and
• a multiple port optical isolator, the multiple port optical isolator including four input optical pigtails, four output optical pigtails and at least one passive optical isolator between the input optical pigtails and output optical pigtails, wherein two of the four input optical pigtails are coupled to the optical fiber outputs of the first and second optical power amplifiers, and two of the four output optical pigtails are coupled to the optical fiber inputs of the first and second optical power amplifiers.

An optoelectronic transceiver, comprising:

• an optical signal transmitter;
• an optical signal receiver;
• a pump source that emits light;
• a pump splitter that splits the light emitted by the pump source into two or more portions, a first portion directed in a first direction and a second portion directed in a second direction;
• a first optical power amplifier having an optical fiber input coupled to an output of the optical signal transmitter, an optical fiber output, and a doped fiber portion, wherein the first portion of light emitted from the pump source is coupled into the optical fiber input of the first optical power amplifier;
• and a second optical power amplifier having an optical fiber input, an optical fiber output coupled to an input of the optical signal receiver, and a doped fiber portion, wherein the second portion of light emitted from the pump source is coupled into the optical fiber input of the second optical power amplifier.