Optical 8PSK Generation by Cascading Squared and Rectangular QPSK Using Microring Modulators

被引：4
|
作者：
Bhowmik, Sanjukta [1 ]
Singha, Satyabrata [1 ]
Bhowmik, Bishanka Brata [1 ]
机构：
[1] Tripura Univ, Elect & Commun Engn, Agartala, India
来源：
FIBER AND INTEGRATED OPTICS | 2019年 / 38卷 / 06期
关键词：
Microring modulator; optical fiber communication; 8PSK; microring resonator; SILICON; TRANSMITTER; 16-QAM;
D O I：
10.1080/01468030.2019.1702234
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We have proposed and successfully simulated a general design concept of an 8PSK generator using a silicon microring modulator. Usually, quadrature phase-shift keying (QPSK) is generated using in-phase/quadrature modulator in balanced condition or in un-balanced condition showing a square-shape and rectangular-shape constellation mapping in complex plane, respectively. By introducing 8 dB loss in the Q-arm of the first QPSK modulator, an unbalanced QPSK modulator has been generated. Thereby cascading both the QPSK modulators, an optical 8PSK has been synthesized.
引用
收藏
页码：362 / 368
页数：7
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