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    • 6. 发明申请
    • TUNABLE SOI LASER
    • TUNABLE SOI激光器
    • WO2015107365A1
    • 2015-07-23
    • PCT/GB2015/050104
    • 2015-01-19
    • ROCKLEY PHOTONICS LIMITED
    • RICKMAN, Andrew GeorgeZILKIE, Aaron
    • H01S5/14H01S5/028H01S5/12H01S3/1055H01S3/106
    • H01S5/125H01S3/1055H01S3/106H01S5/021H01S5/028H01S5/1007H01S5/1209H01S5/142H01S5/3031H01S5/3224H01S5/3427
    • A wavelength tunable silicon-on-insulator (SOI) laser comprising: a laser cavity including: a semiconductor gain medium (2) having a front end (21) and a back end (22); and a phase-tunable waveguide platform (3) coupled to the front end of the semiconductor gain medium; wherein the phase-tunable waveguide platform includes a first Distributed Bragg Reflector (31) and a second Distributed Bragg Reflector (32); at least one of the Distributed Bragg Reflectors having a comb reflectance spectrum; and wherein a mirror (10) of the laser cavity is located at the back end (22) of the semiconductor gain medium. The coupled cavity allows via the Vernier effect improved mode selectivity and the electro-optic tuning of the gratings results in faster wavelength tuning of the ECLD.A further phase control element (53) may compensate for a thermal wavelength drift of the laser.
    • 一种波长可调的绝缘体上硅(SOI)激光器,包括:激光腔,包括:具有前端(21)和后端(22)的半导体增益介质(2) 以及耦合到所述半导体增益介质的前端的相位可调波导平台(3); 其中所述相位可调谐波导平台包括第一分布布拉格反射器(31)和第二分布布拉格反射器(32); 分布布拉格反射器中的至少一个具有梳状反射光谱; 并且其中所述激光腔的反射镜(10)位于所述半导体增益介质的后端(22)处。 耦合腔允许通过游标效应改善模式选择性,并且光栅的电光调谐导致ECLD的更快的波长调谐。另外的相位控制元件(53)可以补偿激光器的热波长漂移。