COMB LASER
An optoelectronic device includes a reflective semiconductor optical amplifier (RSOA), which includes a gain medium to amplify laser radiation within a given gain band, a first reflector at a first end of the gain medium, and a waveguide coupled to convey the laser radiation into and out of a second...
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| Main Authors | , , , , |
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| Format | Patent |
| Language | English French German |
| Published |
14.02.2024
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| Subjects | |
| Online Access | Get full text |
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| Abstract | An optoelectronic device includes a reflective semiconductor optical amplifier (RSOA), which includes a gain medium to amplify laser radiation within a given gain band, a first reflector at a first end of the gain medium, and a waveguide coupled to convey the laser radiation into and out of a second end of the gain medium. An external laser cavity, disposed on an optical substrate, is optically coupled to the waveguide. The external laser cavity includes a second reflector, a comb filter, disposed between the second reflector and the RSOA and configured to pass a set of distinct wavelength sub-bands within the gain band, the set of distinct wavelength sub-bands defining a comb, and a bandpass filter between the second reflector and the RSOA in series with the comb filter, having a passband encompassing a subset of the wavelength sub-bands in the comb. |
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| AbstractList | An optoelectronic device includes a reflective semiconductor optical amplifier (RSOA), which includes a gain medium to amplify laser radiation within a given gain band, a first reflector at a first end of the gain medium, and a waveguide coupled to convey the laser radiation into and out of a second end of the gain medium. An external laser cavity, disposed on an optical substrate, is optically coupled to the waveguide. The external laser cavity includes a second reflector, a comb filter, disposed between the second reflector and the RSOA and configured to pass a set of distinct wavelength sub-bands within the gain band, the set of distinct wavelength sub-bands defining a comb, and a bandpass filter between the second reflector and the RSOA in series with the comb filter, having a passband encompassing a subset of the wavelength sub-bands in the comb. |
| Author | Nagarajan, Radhakrishnan Kato, Masaki Chih-Chin Lin, Charles He, Xiaoguang Karimelahi, Samira |
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| Snippet | An optoelectronic device includes a reflective semiconductor optical amplifier (RSOA), which includes a gain medium to amplify laser radiation within a given... |
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| Title | COMB LASER |
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