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Title: 1.5-μm 10-Gb/s VCSEL link for optical access applications
Authors: Al-Qazwini, Z.
Zhou, J.
Kim, H. 
Keywords: Chirp modulation
Optical access networks
Optical modulation
Verticalcavity surface-emitting laser
Issue Date: 2013
Citation: Al-Qazwini, Z., Zhou, J., Kim, H. (2013). 1.5-μm 10-Gb/s VCSEL link for optical access applications. IEEE Photonics Technology Letters 25 (22) : 2160-2163. ScholarBank@NUS Repository.
Abstract: We experimentally demonstrate the power budget improvement of a 10-Gb/s vertical-cavity surface-emitting laser (VCSEL) link by utilizing continuous-phase frequency-shift keying (CPFSK)/amplitude-shift keying (ASK) modulation format. We first measure the frequency modulation (FM) response of the VCSEL from 10 kHz to 10 GHz and then exploit dc-balanced line coding to utilize the flat region of the FM response. The CPFSK/ASK signals are generated by directly modulating the VCSEL and utilizing a delay interferometer (DI) for FSK-to- ASK conversion. We successfully transmit the signals over a 50-km dispersion-uncompensated link by optimizing the freespectral range of the DI. Using the proposed scheme, we achieve >5-dB improvement in the power budget compared with a conventional VCSEL link. © 1989-2012 IEEE.
Source Title: IEEE Photonics Technology Letters
ISSN: 10411135
DOI: 10.1109/LPT.2013.2282361
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