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公开(公告)号:US6108362A
公开(公告)日:2000-08-22
申请号:US954305
申请日:1997-10-17
申请人: Laura Ellen Adams , Clyde George Bethea , Wei-Chiao Fang , Gerald Nykolak , Roosevelt People , Arthur Mike Sergent , Tawee Tanbun-Ek , Won-Tien Tsang
发明人: Laura Ellen Adams , Clyde George Bethea , Wei-Chiao Fang , Gerald Nykolak , Roosevelt People , Arthur Mike Sergent , Tawee Tanbun-Ek , Won-Tien Tsang
IPC分类号: H01S3/10 , H01S5/0625 , H01S5/10 , H01S5/00 , H01S3/08
CPC分类号: H01S5/06258 , H01S5/10
摘要: A tunable semiconductor laser comprises a gain section having an MQW active region, a uniform pitch grating DFB region, and first waveguide. A composite reflector, including a second MQW region and a second waveguide, forms a cavity resonator with the DFB region. A voltage applied to the composite reflector induces a quantum confined stark effect, thereby allowing the wavelength to be altered. In one embodiment, the current drive to the active region and the shape of the first waveguide (e.g., a raised-sine function) are mutually adapted so that N longitudinal modes have essentially the same threshold gain and so that the DFB region spanned by the first waveguide is segmented into N zones, each zone providing optical feedback at a different wavelength corresponding to a different longitudinal mode.
摘要翻译: 可调谐半导体激光器包括具有MQW有源区,均匀间距光栅DFB区和第一波导的增益部。 包括第二MQW区域和第二波导的复合反射器与DFB区域形成空腔谐振器。 施加到复合反射器的电压引起量子限制的斯塔克效应,从而允许改变波长。 在一个实施例中,对有源区域的当前驱动和第一波导的形状(例如,升高的正弦函数)相互适应,使得N个纵向模式具有基本上相同的阈值增益,并且使得由 第一波导被分割成N个区域,每个区域提供对应于不同纵向模式的不同波长的光学反馈。
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公开(公告)号:US20110188863A1
公开(公告)日:2011-08-04
申请号:US12984502
申请日:2011-01-04
申请人: Thomas Beck MASON , Wei-Chiao Fang
发明人: Thomas Beck MASON , Wei-Chiao Fang
CPC分类号: H04B10/40
摘要: An optical transceiver that includes a modification that prevents interoperability with standard transceivers, while enabling them to work in the same slots and equipment as standard transceivers, provided that they are interoperating with a similarly modified transceiver on the other end of the optical link. Ideally, the polarity of the data in both the transmit and receive direction is inverted resulting in valid data for a link when a pair of modified modules are used and invalid data when a modified module is used with a standard fiber optic transceiver. The function is otherwise transparent to the host equipment.
摘要翻译: 一种光收发器,其包括防止与标准收发器的互操作性的修改,同时使得它们能够在与标准收发器相同的插槽和设备中工作,只要它们与光链路的另一端上的类似修改的收发器互操作即可。 理想情况下,当使用一对修改的模块时,发送和接收方向上的数据的极性被反转,当修改的模块与标准光纤收发器一起使用时,链路的有效数据被反转,并且无效数据。 该功能对主机设备来说是透明的。
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公开(公告)号:US08556523B2
公开(公告)日:2013-10-15
申请号:US12984502
申请日:2011-01-04
申请人: Thomas Beck Mason , Wei-Chiao Fang
发明人: Thomas Beck Mason , Wei-Chiao Fang
IPC分类号: G02B6/36
CPC分类号: H04B10/40
摘要: An optical transceiver that includes a modification that prevents interoperability with standard transceivers, while enabling them to work in the same slots and equipment as standard transceivers, provided that they are interoperating with a similarly modified transceiver on the other end of the optical link. Ideally, the polarity of the data in both the transmit and receive direction is inverted resulting in valid data for a link when a pair of modified modules are used and invalid data when a modified module is used with a standard fiber optic transceiver. The function is otherwise transparent to the host equipment.
摘要翻译: 一种光收发器,其包括防止与标准收发器的互操作性的修改,同时使得它们能够在与标准收发器相同的插槽和设备中工作,只要它们与光链路的另一端上的类似修改的收发器互操作即可。 理想情况下,当使用一对修改的模块时,发送和接收方向上的数据的极性被反转,当修改的模块与标准光纤收发器一起使用时,链路的有效数据被反转,并且无效数据。 该功能对主机设备来说是透明的。
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