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	Dual-ring-modulated laser that uses push-pull modulation
	LUO, YING; LIN, SHIYUN; KRISHNAMOORTHY, ASHOK V.; BOVINGTON, JOCK T.; ZHENG, XUEZHE
	2017-05-18
著作权人	ORACLE INTERNATIONAL CORPORATION
专利号	US20170139237A1
国家	美国
文献子类	发明申请
其他题名	Dual-ring-modulated laser that uses push-pull modulation
英文摘要	A dual-ring-modulated laser includes a gain medium having a reflective end coupled to a gain-medium reflector and an output end coupled to a reflector circuit to form a lasing cavity. This reflector circuit comprises: a first ring modulator; a second ring modulator; and a shared waveguide that optically couples the first and second ring modulators. The first and second ring modulators have resonance peaks, which are tuned to have an alignment separation from each other. During operation, the first and second ring modulators are driven in opposing directions based on the same electrical input signal, so the resonance peaks of the first and second ring modulators shift wavelengths in the opposing directions during modulation. The modulation shift for each of the resonance peaks equals the alignment separation, so the resonance peaks interchange positions during modulation to cancel out reflectivity changes in the lasing cavity caused by the modulation.
公开日期	2017-05-18
申请日期	2017-01-31
状态	授权
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/57547]
专题	半导体激光器专利数据库
作者单位	ORACLE INTERNATIONAL CORPORATION
推荐引用方式 GB/T 7714	LUO, YING,LIN, SHIYUN,KRISHNAMOORTHY, ASHOK V.,et al. Dual-ring-modulated laser that uses push-pull modulation. US20170139237A1. 2017-05-18.

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