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We report a directly modulated 850nm VCSEL-based optical link operating error free (BER <; 1E-12) at 64Gb/s over 57m of OM4 multimode fiber. At 60Gb/s, the error free distance increases to 107m.
A low-power receiver with a one-tap decision feedback equalization (DFE) was fabricated in 90-nm CMOS technology. The speculative equalization is performed using switched-capacitor-based addition at… Continue Reading
The relatively less exploited terahertz band possesses great potential for a variety of important applications, including communication applications that would benefit from the enormous bandwidth… Continue Reading
The first version of PSCAN program (Personal Superconductor Circuit ANalyzer) was introduced in 1991. The program is a general purpose superconductor circuit simulator with an emphasis on the design… Continue Reading
A four-channel electro-absorption-modulator array, driven by 32-nm CMOS drivers providing 2-V peak-to-peak output swing, operates with BER <; 10-12 at a data rate of 4 × 32 Gb/s and dissipates 170 mW… Continue Reading
A superconductor frequency divider based on rapid single flux quantum (RSFQ) logic has been demonstrated to operate from dc to 750 GHz with an error rate less than the measurement limit (25 MHz).… Continue Reading
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.
This paper reviews recent progress on CMOS-integrated optical receivers for on-chip interconnects, which have become attractive for achieving communication bandwidth well beyond terabit-per-second… Continue Reading
An eye-opening monitor (EOM) architecture that can capture a two-dimensional (2-D) map of the eye diagram of a high-speed data signal has been developed. Two single-quadrant phase rotators and one… Continue Reading
We demonstrate in a single chip a complete multiport photonic switching system using IBM 90-nm photonics-enabled CMOS. The system includes CMOS logic, switch drivers, multistage 4×4 and 8×8 photonic… Continue Reading