Optical injection-locked gain-lever distributed Bragg reflector lasers with enhanced RF performance

Directly modulated fiber-optic links offers significant advantages in system cost and complexity. However, they often suffer from high link loss and inferior RF performance compared with externally modulated links. In this paper, we have experimentally investigated the amplitude modulation (AM) effi...

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Main Authors: Sung, H.-K., Jung, T., Tishinin, D., Liou, K.Y., Tsang, W.T., Wu, M.C.
Format: Conference Proceeding
Language:English
Subjects:
Amplitude modulation
Bandwidth
Costs
Distributed Bragg reflectors
Fiber lasers
Fiber nonlinear optics
Nonlinear optics
Optical distortion
Optical modulation
Radio frequency
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creator Sung, H.-K.
Jung, T.
Tishinin, D.
Liou, K.Y.
Tsang, W.T.
Wu, M.C.
description Directly modulated fiber-optic links offers significant advantages in system cost and complexity. However, they often suffer from high link loss and inferior RF performance compared with externally modulated links. In this paper, we have experimentally investigated the amplitude modulation (AM) efficiency, modulation bandwidth, and the nonlinear distortions of a directly-modulated gain-lever distributed Bragg reflector (DBR) laser under external light injection for the first time. By combining gain-lever modulation with optical injection locking, increased modulation efficiency (10 dB) and bandwidth (3 times) as well as suppressed third-order intermodulation distortion (15 dB) have been achieved simultaneously.
doi_str_mv 10.1109/MWP.2004.1396880
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Amplitude modulation
Bandwidth
Costs
Distributed Bragg reflectors
Fiber lasers
Fiber nonlinear optics
Nonlinear optics
Optical distortion
Optical modulation
Radio frequency
title Optical injection-locked gain-lever distributed Bragg reflector lasers with enhanced RF performance
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