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|Title:||1.5-μm 10-Gb/s VCSEL link for optical access applications|
Optical access networks
Verticalcavity surface-emitting laser
|Source:||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. https://doi.org/10.1109/LPT.2013.2282361|
|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|
|Appears in Collections:||Staff Publications|
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