Methods and apparatus for power-equalized optical frequency comb generation
First Claim
1. An optical device for generating a frequency comb comprising:
- an optical source including at least two input optical waves characterized by a first input frequency and a second input frequency, respectively, wherein the first input frequency and the second input frequency are separated by a frequency spacing;
a first waveguide comprising a nonlinear optical medium characterized by a nonlinear optical response and operable to mix the at least two input optical waves to generate a plurality of first optical waves characterized by respective first frequencies separated from each other by the frequency spacing and characterized by a frequency chirp;
a second waveguide concatenated to the first waveguide, wherein the second waveguide is characterized by a first dispersion characteristics such that the second waveguide is operable to compress the waveforms of the plurality of first optical waves and to reduce the frequency chirp introduced by the first waveguide; and
a third waveguide concatenated to the second waveguide, wherein the third waveguide comprises a nonlinear optical medium and is operable to mix the plurality of first optical waves to generate a plurality of second optical waves characterized by respective second frequencies separated from each other by the frequency spacing, and wherein the third waveguide is characterized by a second dispersion characteristics such that the third waveguide is operable to increase a total number of second optical waves with respect to a total number of first optical waves.
14 Assignments
0 Petitions
Accused Products
Abstract
An optical device for generating a frequency comb includes an optical source and a first waveguide comprising a nonlinear optical medium operable to mix at least two input optical waves to generate a plurality of first optical waves. The optical device also includes a second waveguide concatenated to the first waveguide and characterized by a first dispersion characteristics and operable to compress the waveforms of the plurality of first optical waves and to reduce a frequency chirp introduced by the first waveguide. The optical device additionally includes a third waveguide concatenated to the second waveguide. The third waveguide comprises a nonlinear optical medium and is operable to mix the plurality of first optical waves to generate a plurality of second optical waves and to increase a total number of second optical waves with respect to a total number of first optical waves.
-
Citations
18 Claims
-
1. An optical device for generating a frequency comb comprising:
-
an optical source including at least two input optical waves characterized by a first input frequency and a second input frequency, respectively, wherein the first input frequency and the second input frequency are separated by a frequency spacing; a first waveguide comprising a nonlinear optical medium characterized by a nonlinear optical response and operable to mix the at least two input optical waves to generate a plurality of first optical waves characterized by respective first frequencies separated from each other by the frequency spacing and characterized by a frequency chirp; a second waveguide concatenated to the first waveguide, wherein the second waveguide is characterized by a first dispersion characteristics such that the second waveguide is operable to compress the waveforms of the plurality of first optical waves and to reduce the frequency chirp introduced by the first waveguide; and a third waveguide concatenated to the second waveguide, wherein the third waveguide comprises a nonlinear optical medium and is operable to mix the plurality of first optical waves to generate a plurality of second optical waves characterized by respective second frequencies separated from each other by the frequency spacing, and wherein the third waveguide is characterized by a second dispersion characteristics such that the third waveguide is operable to increase a total number of second optical waves with respect to a total number of first optical waves. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A method of generating a frequency comb comprising:
-
providing at least two input optical waves characterized by respective input frequencies separated from each other by a frequency spacing; mixing, via a first waveguide, the at least two input optical waves to provide a plurality of first optical waves characterized by respective first frequencies separated from each other by the frequency spacing, wherein the first waveguide comprises a nonlinear optical medium having a nonlinear response that introduces a frequency chirp in the plurality of first optical waves; compressing, via a second waveguide concatenated to the first waveguide, the plurality of first optical waves to provide a plurality of first compressed optical waves, wherein the second waveguide is characterized by a first dispersion characteristics such that the second waveguide reduces the frequency chirp introduced by the first waveguide; and mixing, via a third waveguide concatenated to the second waveguide, the plurality of first compressed optical waves to provide a plurality of second optical waves characterized by respective second frequencies separated from each other by the frequency spacing, wherein the third waveguide is characterized by a second dispersion characteristics that increases a total number of second optical waves in comparison to a total number of first optical waves. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
-
Specification