Laser based frequency standards and their applications
First Claim
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1. A fiber-based laser system, comprising:
- a passively mode locked fiber laser, wherein an output of said passively mode locked fiber laser comprises a carrier envelope offset frequency, said passively mode locked fiber laser comprising an optical cavity having intra-cavity components and having a net cavity dispersion,wherein said intra-cavity components comprise a temperature controlled saturable absorber or a temperature controlled fiber Bragg grating configured to modify and stabilize said carrier envelope offset frequency, andwherein said optical cavity is configured in such a way that the net cavity dispersion is substantially lower than the dispersion of any intra-cavity component.
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Abstract
Frequency standards based on mode-locked fiber lasers, fiber amplifiers and fiber-based ultra-broad bandwidth light sources, and applications of the same.
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Citations
14 Claims
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1. A fiber-based laser system, comprising:
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a passively mode locked fiber laser, wherein an output of said passively mode locked fiber laser comprises a carrier envelope offset frequency, said passively mode locked fiber laser comprising an optical cavity having intra-cavity components and having a net cavity dispersion, wherein said intra-cavity components comprise a temperature controlled saturable absorber or a temperature controlled fiber Bragg grating configured to modify and stabilize said carrier envelope offset frequency, and wherein said optical cavity is configured in such a way that the net cavity dispersion is substantially lower than the dispersion of any intra-cavity component. - View Dependent Claims (2, 3)
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4. A fiber-based laser system, comprising:
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a passively mode locked fiber laser, wherein an output of said passively mode locked fiber laser comprises a carrier envelope offset frequency, said passively mode locked fiber laser comprising an optical cavity having intra-cavity components, wherein said intra-cavity components comprise a temperature controlled saturable absorber or a temperature controlled fiber Bragg grating configured to modify and stabilize said carrier envelope offset frequency; and an f-2f interferometer arranged to measure and/or stabilize said carrier envelope offset frequency.
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5. A coherent fiber-based frequency comb source, comprising:
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a passively modelocked fiber laser configured to operate at a pulse repetition rate [>
] greater than 110 MHz, and comprising an optical cavity having intra-cavity components and a net cavity dispersion, wherein said cavity is configured in such a way that the net cavity dispersion is substantially lower than the dispersion of any intra-cavity component; anda supercontinuum generator comprising a highly nonlinear waveguide coupled to an output of said cavity. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A fiber laser based system for photonic analog-to-digital conversion of electrical signals, comprising:
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a mode locked fiber laser generating a pulse train of individual pulses with a pulse repetition rate R and an optical bandwidth, wherein said modelocked fiber laser comprises an optical cavity having intra-cavity components and a net cavity dispersion, wherein said cavity is configured in such a way that the net cavity dispersion is substantially lower than the dispersion of any intra-cavity component; an optical modulator downstream from said laser to modulate said pulse train and to encode a radio-frequency signal onto said pulse train; a wavelength demultiplexer for selecting narrow wavelength channels from broader bandwidth pulses generated by said mode locked fiber laser; and an array of electrical analog to digital converters operatively connected to substantially all the wavelength channels, said array configured to provide time interleaved sampling of the radio-frequency signal. - View Dependent Claims (13, 14)
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Specification