With the exponential growth of the data traffic in wireless communication systems, terahertz
(THz) frequency band is envisioned as a promising candidate to support ultra-broadband for …

Modern data centers increasingly rely on interconnects for delivering critical
communications connectivity among numerous servers, memory, and computation …

Recent years have witnessed many breakthroughs in research on graphene (the first two-
dimensional atomic crystal) as well as a significant advance in the mass production of this …

Graphene research so far has focused on electronic,,,,, rather than photonic applications, in
spite of its impressive optical properties,. These include its ability to absorb∼ 2% of incident …

This review is focused on the latest developments in continuous-wave (CW) photomixing for
Terahertz (THz) generation. The first part of the paper explains the limiting factors for …

Device design for unitraveling-carrier photodiodes (UTC-PDs) and their derivative structures
is reconsidered from the point of view of terahertz (THz) applications. A key design …

The unitraveling-carrier photodiode (UTC-PD) is a novel photodiode that utilizes only
electrons as the active carriers. This unique feature is the key for its ability to achieve …

This paper will review and discuss pico-and femtosecond pulse generation from passively
modelocked vertical–external-cavity surface-emitting semiconductor lasers (VECSELs). We …

A 120-GHz-band wireless link that uses millimeter-wave (MMW) photonic techniques was
developed. The output power and noise characteristics of 120-GHz-band MMWs generated …

Our progress in 120-GHz-band wireless link technologies enables us to transmit 10-Gbit/s
data transmission over a distance of more than 1 km. The 120-GHz-band wireless link uses …