Photon generator using frequency comb and nanoplasmonic technology and generating method thereof
View Patent ↗Provided is a photon generator. The photon generator includes a frequency comb generator configured to generate a frequency comb of a predetermined frequency band, and a controller configured to perform frequency locking for frequency stabilization of an optical frequency generated by the frequency comb generator.
1. A photon generator comprising:
a frequency comb generator configured to generate a frequency comb of a predetermined frequency band;
a controller configured to perform frequency locking for frequency stabilization of an optical frequency generated by the frequency comb generator; and
a surface plasmon resonance generator configured to generate a surface plasmon resonance state of the frequency comb for photon-plasmon conversion of a frequency comb.
2. The photon generator of claim 1 , wherein the surface plasmon resonance generator comprises a nanohole array film having a nanohole array structure comprising a plurality of nanoholes.
3. The photon generator of claim 2 , wherein the nanohole array film comprises a metal layer formed on a substrate, and the metal layer comprises a plurality of circular holes.
4. The photon generator of claim 3 , wherein the metal layer comprises gold, and the substrate comprises a quartz layer coated with indium tin oxide.
5. The photon generator of claim 3 , wherein a diameter of each of the plurality of circular holes is about 150 nm to about 250 nm, and a pitch between the plurality of circular holes is about 500 nm to about 550 nm.
6. The photon generator of claim 3 , wherein a thickness of the metal layer is about 80 nm to about 120 nm, and a thickness of the substrate is about 20 nm to about 30 nm.
7. A biosensor comprising the photon generator of claim 2 .
8. The photon generator of claim 1 , wherein the controller is configured to frequency-lock the optical frequency generated by the frequency comb generator to an atomic frequency standard.
9. The photon generator of claim 1 , wherein the controller comprises an atomic clock.
10. A biosensor comprising the photon generator of claim 1 .
11. A photon generating method comprising:
generating a frequency comb of a predetermined frequency band;
frequency-locking an optical frequency to an atomic frequency standard for frequency stabilization of the optical frequency generated by a frequency comb generator; and
generating a surface plasmon resonance state of the frequency comb by a surface plasmon resonance generator for photon-plasmon conversion of a frequency comb.
12. The photon generating method of claim 11 , wherein the generating of the surface plasmon resonance state comprises the frequency comb passing through a nanohole array film having a nanohole array structure comprising a plurality of nanoholes.
13. The photon generating method of claim 12 , wherein the nanohole array film comprises a metal layer formed on a substrate, and the metal layer comprises a plurality of circular holes.
14. The photon generating method of claim 13 , wherein the metal layer comprises gold, and the substrate comprises a quartz layer coated with indium tin oxide.
15. The photon generating method of claim 13 , wherein a diameter of each of the plurality of circular holes is about 150 nm to about 250 nm, and a pitch between the plurality of circular holes is about 500 nm to about 550 nm.
16. The photon generating method of claim 13 , wherein a thickness of the metal layer is about 80 nm to about 120 nm, and a thickness of the substrate is about 20 nm to about 30 nm.
17. The photon generating method of claim 11 , wherein the frequency comb is reconverted from a surface plasmonic mode to a photonic mode after being converted from the photonic mode to the surface plasmonic mode by the surface plasmon resonance generator.