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 Kato, Masaki, Chih-Chin Lin, Charles, Nagarajan, Radhakrishnan, He, Xiaoguang, Karimelahi, Samira
Format Patent
LanguageEnglish
French
German
Published 14.02.2024
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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.
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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SubjectTerms BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
Title COMB LASER
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