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The receiver sensitivity of 52 Gbps-PAM4 is investigated over OM3/OM4 fibers in real time. The measured sensitivities are compared and correlated with measured fiber bandwidths for 850/880 nm channels to examine 104 Gbps SWDM2-PAM4 transmission.
Experimental data is presented demonstrating 100GbE (4×25.8 Gbps) SWDM4 VCSEL technology, and SWDM4 transmission over 200m and 300m of wideband OM4 fibers. All NRZ SWDM4 channels achieved error-free transmission at 200m, and BER < 1e-9 at 300m. In addition, successful 180 (4×45) Gbps transmission is demonstrated over 300m wideband OM4 fibers using a 45-Gbps-PAM4 chip. Real time BERs < 2e-4 were...
Successful 180 (4×45) Gbps transmission is demonstrated over OM4 fibres using a 45-Gbps-PAM4 chip. Real time BERs<2e-4 were achieved for four SWDM grid channels in the 850–950nm wavelength range over 100m/200m/300m of wideband OM4 fibres.
We present successful transmission of 52Gb/s PAM4 through −58 and +10 ps/nm of SMF using a single chip and directly modulated laser. The receiver sensitivities are compared using APD and PIN PD at the receiver.
Experimental data is presented demonstrating 100GbE (4 × 25.8 Gb/s) SWDM4 VCSEL technology, and SWDM4 transmission over 200m and 300m of wideband OM4 fiber. All SWDM4 channels achieve error free transmission at 200m, and BER < 1.e-9 at 300m.
We report a directly modulated 850nm VCSEL-based optical link operating at 56.1Gb/s (BER <; 1E-12). This is the highest modulation rate for a VCSEL-based link of any wavelength. An open eye is obtained at 60Gb/s.
We report a directly modulated 850nm VCSEL-based Optical link operating at 55Gb/s. This is the highest modulation rate for VCSEL-based link of any wavelength.
The phenomenon of backgating in GaAs depletion mode MESFET devices is investigated. The origin of this effect is electron trapping on the Cr/sup 2+/ and EL(2) levels at the semi-insulating substrate-channel region interface. A model describing backdating, based on DLTS and spectral measurements, is presented. Calculations based on this model predict that closely compensated substrate material will...
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