153 citations · 356 across the 9 of their papers we have counts for
3 papers · 1 filter
High-efficiency compact optical transmitter with a total bit energy of 0.78 pJ/bit including silicon slow-light modulator and open-collector current-mode driver
Keisuke Kawahara, Tai Tsuchizawa, Noritsugu Yamamoto +4
Increasing datacenter demands require power-efficient optical interconnects. However, a conventional standard transmitter using a silicon rib-waveguide Mach-Zehnder modulator and v…
Vector beam generation from standing hollow GaN nanowire lasers on sapphire substrate
Masato Takiguchi, Sylvain Sergent, Benjamin Damilano +9
We fabricated GaN based hollow nanowires standing upright on a sapphire substrate by the sublimation method and found that they exhibit laser oscillation at room temperature. These…
Evaluation of graphene optical nonlinearity with photon-pair generation in graphene-on-silicon waveguides
Yuya Yonezu, Rai Kou, Hidetaka Nishi +4
We evaluate the nonlinear coefficient of graphene-on-silicon waveguides through the coincidence measurement of photon-pairs generated via spontaneous four-wave mixing. We observed…