BROADBAND TRAVELLING WAVE SEMICONDUCTOR OPTICAL AMPLIFIER

Publication: ResearchPatent – Annual report year: 2010

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Broadband travelling wave semiconductor optical amplifier (100, 200, 300, 400, 800) for amplification of light, wherein the amplifier (100, 200, 300, 400, 800) comprises a waveguide region (101, 201, 301, 401, 801) for providing confinement of the light in transverse directions and adapted for propagation of the light in at least a first mode along a longitudinal axis (102, 202, 302) of the amplifier (100, 200, 300, 400, 800) in a propagation direction (103, 203, 303), and wherein the waveguide region (101, 201, 301, 401, 801) comprises a gain region (104, 204, 304, 404, 804) for amplifying the light and an outer region (105, 205, 305, 405, 805), the waveguide region (101, 201, 301, 401, 801) having a width (106, 206, 306) and a height, and the gain region (104, 204, 304, 404, 804) having a width (107, 207, 307) and a height, wherein the width (106, 206, 306) of the waveguide region (101, 201, 301, 401, 801) increases along the longitudinal axis (102, 202, 302), and wherein the ratio between the width (106, 206, 306) of the waveguide region (101, 201, 301, 401, 801) and the width (107, 207, 307) of the gain region (104, 204, 304, 404, 804) increases along the longitudinal axis (102, 202, 302). L
Original languageEnglish
Publication date2010
Patent numberWO10146050
Date23/12/10
CountryInternational Bureau of the World Intellectual Property Organization (WIPO)
StatePublished
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