Methods and apparatus for producing short optical pulses
First Claim
1. Apparatus for producing short optical pulses, comprising:
- an oscillator for producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first wavelength;
a first optical fiber amplifier;
a second optical fiber amplifier;
a pulse picker, located between the first and second optical fiber amplifiers, said pulse picker operable to reduce the optical pulse repetition frequency of optical pulses, wherein said first amplifier amplifies optical pulses at the first optical pulse repetition frequency and said second amplifier amplifies optical pulses at a reduced optical pulse repetition frequency that is less than said first optical pulse repetition frequency;
a nonlinear optical fiber receiving amplified optical pulses having the reduced optical pulse repetition frequency and the first wavelength produce, at the reduced optical pulse frequency, optical pulses that include one or more nonlinearly produced wavelengths different than the first wavelength; and
wherein said pulse picker and said first and second optical fiber amplifiers are located between the oscillator and the nonlinear optical fiber.
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Abstract
Apparatus for producing short optical pulses comprising an oscillator for producing optical pulses at a first optical pulse frequency, the optical pulses having a first wavelength; first and second optical amplifiers; a pulse picker, located between the first and second optical fiber amplifiers, the pulse picker operable to reduce the optical pulse frequency of optical pulses, the amplifier amplifying optical pulses at the first optical pulse frequency and the second amplifier amplifying optical pulses at a reduced optical pulse frequency that is less than said first optical pulse frequency; and a nonlinear optical fiber receiving amplified optical pulses at the reduced optical pulse frequency and having the first wavelength to nonlinearly produce, at the reduced optical pulse frequency, optical pulses that include a wavelength that is different than the first wavelength.
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Citations
39 Claims
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1. Apparatus for producing short optical pulses, comprising:
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an oscillator for producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first wavelength; a first optical fiber amplifier; a second optical fiber amplifier; a pulse picker, located between the first and second optical fiber amplifiers, said pulse picker operable to reduce the optical pulse repetition frequency of optical pulses, wherein said first amplifier amplifies optical pulses at the first optical pulse repetition frequency and said second amplifier amplifies optical pulses at a reduced optical pulse repetition frequency that is less than said first optical pulse repetition frequency; a nonlinear optical fiber receiving amplified optical pulses having the reduced optical pulse repetition frequency and the first wavelength produce, at the reduced optical pulse frequency, optical pulses that include one or more nonlinearly produced wavelengths different than the first wavelength; and wherein said pulse picker and said first and second optical fiber amplifiers are located between the oscillator and the nonlinear optical fiber. - View Dependent Claims (2, 3, 4, 5, 6, 16, 17, 18)
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7. Method of producing short optical pulses, comprising:
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producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first wavelength; amplifying at the first optical pulse repetition frequency optical pulses having the first wavelength; pulse picking the amplified optical pulses to produce optical pulses having the first wavelength at a reduced optical frequency that is less than the first optical pulse repetition frequency; amplifying optical pulses having the first wavelength and the reduced optical pulse repetition frequency; and nonlinearly producing, responsive to the amplifying of the pulses having the first wavelength and the reduced optical pulse repetition frequency, optical pulses at the reduced optical pulse repetition frequency and including one or more non-linearly produced wavelengths different from the first wavelength. - View Dependent Claims (19, 20, 21, 22, 23)
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8. Apparatus for producing optical pulses, comprising:
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an oscillator for producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first wavelength and a first time duration; a pulse picker for receiving optical pulses having the first optical pulse repetition frequency, first wavelength and first time duration and operable to reduce the optical pulse repetition frequency to produce optical pulses having the first wavelength, first time duration and a reduced optical pulse repetition frequency that is less than the first optical pulse repetition frequency; an optical fiber receiving optical pulses at the reduced optical pulse repetition frequency and having the first wavelength and first time duration to nonlinearly produce, at the reduced optical pulse frequency, optical pulses that include a one or more nonlinearly produced wavelengths different than the first wavelength. - View Dependent Claims (9, 10, 11, 12, 24, 25)
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13. Method of producing short optical pulses,
producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first wavelength and a first time duration; -
pulse picking optical pulses having the first optical pulse repetition frequency, the first wavelength and first time duration to produce optical pulses having the first wavelength and first time duration and a reduced optical frequency that is less than the first optical pulse repetition frequency; nonlinearly producing, from optical pulses having the first wavelength, first time duration and the reduced optical pulse repetition frequency, optical pulses having the reduced optical pulse repetition frequency and including one or more nonlinearly produced wavelengths different from the first wavelength. - View Dependent Claims (14, 15, 26, 27, 28, 29)
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30. Apparatus for producing optical pulses, comprising:
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an oscillator for producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first frequency of light; a pulse picker for receiving optical pulses having the first optical pulse repetition frequency and operable to reduce the optical pulse repetition frequency to produce optical pulses having the first frequency and a reduced optical pulse repetition frequency that is less than the first optical pulse repetition frequency; an optical fiber receiving optical pulses having the reduced optical pulse repetition frequency and first frequency, to nonlinearly produce light having a frequency that is twice the first frequency; and an Ytterbium doped fiber amplifier in optical communication with said pulse picker and said optical fiber and located between the pulse picker and the oscillator. - View Dependent Claims (31, 32, 33, 34)
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35. Method of producing optical pulses,
producing optical pulses at a first optical pulse repetition frequency, the optical pulses having a first frequency; -
amplifying with a Yb doped amplifier the produced optical pulses having the first optical pulse repetition frequency and the first wavelength; subsequent to amplifying, pulse picking amplified optical pulses having the first optical pulse repetition frequency and the first frequency to produce optical pulses having the first frequency and a reduced optical pulse repetition frequency that is less than the first optical pulse repetition frequency; nonlinearly producing, from optical pulses having the first frequency and the reduced optical pulse repetition frequency, optical pulses having the reduced optical pulse repetition frequency and a nonlinearly produced second frequency that is twice the first frequency. - View Dependent Claims (36, 37, 38, 39)
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Specification