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This paper presents WDM transmission at 2μm over 1.15km of HC-PBGF with wavelength channels selected to span a 36.3nm waveband. A total capacity of 81Gbit/s was achieved using 4×12.5Gbit/s NRZ-OOK external modulation and 4×7.7Gbit/s 4-ASK Fast-OFDM direct modulation signals.
World's first demonstration of WDM transmission in a HC-PBGF at the predicted low loss region of 2μm is presented. A total capacity of 16 Gbit/s is achieved using 1×8.5 Gbit/s and 3×2.5 Gbit/s channels modulated using NRZ OOK over 290 meters of hollow core fiber.
In this presentation we will discuss recent advances in adaptive modulation schemes for ultra high bit capacity optical networks. This paper focuses on optimising the sub-carrier spacing for such high capacity networks.
We present fabrication of 1.3-µm InAs QD-VCSELs and arrays. The output power of single VCSEL exceeds 1.2 mW. Modulation bandwidth of 2.65 GHz and 2.5 GHz are achieved for single-mode and multi-mode VCSELs. Maximum output power of 28 mW is demonstrated for VCSEL arrays with threshold current of 50 mA.
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