Generation of tunable light pulses
AssigneeTOPTICA Photonics AG
InventorsFlorian Tauser, Alfred Leitenstorfer
Life of this patent
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Abstract
A device for generating tunable light pulses has a non-linear optical fiber. The optical spectrum of femtosecond light pulses can be modified by this optical fiber, taking advantage of solitonic effects. In order to make available such a device, which makes it possible to vary the pulse energy and the wavelength of the light pulses independently of one another, an optical compressor precedes the non-linear optical fiber.
Claims10
A device for generating tunable light pulses comprising:
- (a) a pulse laser light source configured to produce femtosecond light pulses having an optical spectrum and a temporal frequency progression (“chirp”);
- (b) an adjustable optical compressor configured to change the chirp of the light pulses output from the pulse laser light source;
- and
- a non-linear optical fiber configured to modify the optical spectrum of the femtosecond light pulses and for tuning the generated light pulses coupled out of the non-linear optical fiber to the desired wavelength in accordance with the chirp of the light pulses received from the adjustable optical compressor.
A method for generating tunable light pulses, the method comprising:
- (a) producing femtosecond light pulses having an optical spectrum and a temporal frequency progression (“chirp”);
- (b) regulating the chirp of the femtosecond light pulses;
- (c) inputting the light pulses into a non-linear optical fiber in order to generate output light pulses having a modified optical spectrum due to non-linear soliton effects occurring in the optical fiber, wherein the spectrum of the output light pulses is tuned in accordance with the regulated chirp of the input light pulses.
A method for generating tunable light pulses, the method comprising:
- (a) producing femtosecond light pulses having an optical spectrum and a temporal frequency progression (“chirp”) by means of a pulse laser light source;
- (b) regulating the chirp of the femtosecond light pulses by means of an optical compressor;
- (c) inputting the light pulses into a non-linear optical fiber in order to generate frequency-shifted output light pulses, the frequency shift depending on the predetermined chirp of the input light pulses.
Dependencies are inferred from the claim text.