Spectrum and power tunable ASE light source
AssigneeMolex Incorporated
InventorsBichang Huang, Lifu Gong, Jun Yang
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Abstract
An amplified spontaneous emission (ASE) light source and a method for using the ASE light source are provided. The ASE light source may include a seed stage light source for providing a light beam to be amplified. The apparatus may include a tunable element coupled to the seed stage light source configured for filtering a portion of the light beam from the seed stage light source. The apparatus may include a loopback circuit coupled to the tunable element, the loopback circuit comprising a booster stage element for amplifying light from the tunable element.
Claims21
An amplified spontaneous emission (ASE) light source comprising:
- a seed stage light source for providing a light beam to be amplified;
- a tunable element coupled to the seed stage light source configured for filtering a portion of the light beam and outputting a filtered light beam;
- and
- a loopback circuit coupled to the tunable element, and including (i) a booster stage element for amplifying the filtered light beam, (ii) a filter, coupled to an output of the booster stage element, that routes (a) a first part of the filtered light beam to the loopback circuit and (b) a second part of the filtered beam to an element external to the loopback circuit.
A method for generating light output at an amplified spontaneous emission (ASE) light source, the method comprising:
- generating a seed stage light beam using a medium configured for providing a light beam to be amplified;
- filtering the seed stage light beam, at a tunable element configured to filter at least a portion of the seed stage light beam, to yield a filtered light beam;
- generating an amplified light beam by amplifying the filtered light beam at a loopback circuit that comprises a booster stage element;
- routing a first part of the amplified light beam to the loopback circuit;
- and
- routing a second part of the amplified light beam to an element external to the loopback circuit.
Dependencies are inferred from the claim text.