A performance enhanced bidirectional three-band lightwave transmission system for RoF and RoFSO link using serial and parallel modulators

被引：0

作者：

Bhatia, R. ^{[1
]}

Prakash, S. ^{[1
]}

Saini, E. ^{[2
]}

机构：

[1] Govt NCT Delhi, Ambedkar Inst Adv Commun Technol & Res, Dept Elect & Commun Engn, Delhi, India

[2] Indian Space Res Org, Space Applicat Ctr, Ahmadabad, India

来源：

JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS | 2019年 / 21卷 / 1-2期

关键词：

Lightwave transmission system; Radio over Fiber (RoF); Radio over Free Space Optics (RoFSO); Chromatic dispersion; Modulator; Bidirectional three-band; Triple play service;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A bidirectional three-band lightwave system is proposed for Radio over Fiber (RoF) and Radio over Free Space Optics (RoFSO) platforms which can be used for simultaneous transmission of 1.25 Gbps Baseband upstream and 1.25 Gbps Baseband downstream, 1.25 Gbps/20 GHz Microwave (MW), 1.25 Gbps/40 GHz Millimetre-wave (MMW) downstream signals. For RoF link, performance is evaluated using a serial modulator and a chromatic dispersion compensated parallel modulator along with Erbium Doped Fiber Amplifier (EDFA) of appropriate length. An enhanced link performance with sufficiently high Quality (Q)-factor is achieved for a length of 35 km and 58 km with serial and parallel modulators respectively. The system is simple and economical as it eliminates the use of multiple transmitters, additional Reflective Semiconductor Optical Amplifier (RSOA), Delay Interferometer and uses direct detection at the receiver. Using a serial modulator and amplifier, the bidirectional three-band lightwave system is also investigated for establishing a RoFSO link up to a distance of 1km. This RoFSO link can be used in remote and disaster prone areas. The proposed schematic can be used for both wired and wireless users in various broadband and multimedia applications.

引用

页码：64 / 73

页数：10