A monolithically integrated long-wavelength balanced photodiode using asymmetric twin-waveguide technology

被引:20
|
作者
Agashe, SS [1 ]
Datta, S [1 ]
Xia, F [1 ]
Forrest, SR [1 ]
机构
[1] Princeton Univ, Ctr Photon & Optoelect Mat, Dept Elect Engn, Princeton, NJ 08544 USA
关键词
heterodyne; photodetector; photonic integrated circuit;
D O I
10.1109/LPT.2003.820109
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We demonstrate a long-wavelength monolithically integrated photodiode pair balanced to within 0.4 dB. The (15 +/- 1) GHz bandwidth balanced photodiode pair has minimum dark current of 5 nA, a responsivity of (0.32 +/- 0.02) A/W at 1.55-mum wavelength, linearity up to +3-dBm input optical power, and a common mode rejection ratio of (34 +/- 2) dB. The asymmetric twin-waveguide architecture used makes it possible for integration of the detector pair with other optical components such as semiconductor optical amplifiers, lasers, modulators, and in-plane waveguide-filters.
引用
收藏
页码:236 / 238
页数:3
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