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    • 2. 发明申请
    • SEMI-INTEGRATED DESIGNS FOR EXTERNAL CAVITY TUNABLE LASERS
    • 用于外部空心柔性激光器的集成设计
    • WO2005101595A1
    • 2005-10-27
    • PCT/US2005/009193
    • 2005-03-18
    • INTEL CORPORATIONSOCHAVA, SergeiCHAPMAN, WilliamKOZLOVSKY, William
    • SOCHAVA, SergeiCHAPMAN, WilliamKOZLOVSKY, William
    • H01S5/026
    • H01S5/06255H01S5/0265H01S5/06256H01S5/06804H01S5/0687H01S5/141H01S5/142
    • Semi-integrated external cavity diode laser (ECDL) (300A) designs including integrated structures (302A) comprising a gain section (400), phase control section (402), and optional modulator section (404). Each integrated structure includes a waveguide (406) that passes through each of the sections. A mirror (408) is defined in the structure to define one end of a laser cavity. A reflective element (314) is disposed generally opposite a rear facet (410) of the gain section (400), forming an external cavity therebetween. A tunable filter (310) is disposed in the external cavity to effectuate tuning of the laser. During operation, a modulated drive signal (332) is provided to the phase control section (402). This modulates an optical path length of the laser cavity, which produces an intensity (amplitude) modulation in the laser output. A detector is employed to produce a feedback signal indicative of the intensity modulation that is used for tuning the laser in accordance with a wavelength locking servo loop. Upon passing through the modulator section (404), an optical signal is modulated with data (722).
    • 包括包括增益部分(400),相位控制部分(402)和可选调制器部分(404)的集成结构(302A)的半集成外部空腔二极管激光器(ECDL)(300A)。 每个集成结构包括通过每个部分的波导(406)。 在该结构中限定了反射镜(408),以限定激光腔的一端。 反射元件(314)大体上与增益部分(400)的后面(410)相对设置,在它们之间形成一个外部空腔。 可调滤光器(310)设置在外腔中以实现激光的调谐。 在操作期间,将调制驱动信号(332)提供给相位控制部分(402)。 这调制激光腔的光程长度,这在激光输出中产生强度(幅度)调制。 采用检测器产生指示根据波长锁定伺服环路调谐激光器的强度调制的反馈信号。 在通过调制器部分(404)之后,用数据(722)调制光信号。