1.28 Terabit/s (32x40 Gbit/s) WDM transmission system for free space optical communications

E Ciaramella, Y Arimoto, G Contestabile… - IEEE Journal on …, 2009 - ieeexplore.ieee.org
We review a novel free space optical (FSO) system that represents a significant
breakthrough in the area of FSO communications. The system encompasses a pair of novel …

RoFSO: a universal platform for convergence of fiber and free-space optical communication networks

K Kazaura, K Wakamori, M Matsumoto… - IEEE …, 2010 - ieeexplore.ieee.org
The ever-increasing demand for capacity and quality in wireless communication links has
continued to inspire researchers to innovate new design methodologies and concepts over …

Next-generation bidirectional triple-play services using RSOA based WDM radio on free-space optics PON

GC Mandal, R Mukherjee, B Das, AS Patra - Optics communications, 2018 - Elsevier
An innovative low cost reflective semiconductor amplifier (RSOA) based bidirectional Triple-
play services (TPS) using wavelength division multiplexed radio on free-space-optics …

Transmission analysis of digital TV signals over a radio-on-FSO channel

CB Naila, K Wakamori, M Matsumoto… - IEEE …, 2012 - ieeexplore.ieee.org
Recently, radio-on-free-space optical (RoFSO) technology is regarded as a new universal
platform for enabling seamless convergence of fiber and FSO communication networks, thus …

The case for free space

K Tsukamoto, A Hashimoto… - IEEE microwave …, 2009 - ieeexplore.ieee.org
This article discusses the prospect of free-space optical links (FSOLs) in relation to backhaul
applications as well as its technology trend, including the recent development of radio on …

Off-axis catadioptric fisheye wide field-of-view optical receiver for free space optical communications

P Deng, XH Yuan, M Kavehrad, M Zhao… - Optical …, 2012 - spiedigitallibrary.org
We propose a wide field-of-view optical receiver design based on a fisheye lens and an off-
axis catadioptric structure for free-space optical communications. The design utilizes a novel …

Studies on characterizing the transmission of RF signals over a turbulent FSO link

PT Dat, A Bekkali, K Kazaura, K Wakamori, T Suzuki… - Optics express, 2009 - opg.optica.org
In this paper, we present an experimental study on transmission of RF signals over turbulent
free-space optics (FSO) channel by using off-the-shelf Radio Frequency–FSO (RF-FSO) …

Performance evaluation of an advanced DWDM RoFSO system for transmitting multiple RF signals

A Bekkali, PT Dat, K Kazaura, K Wakamori… - IEICE transactions on …, 2009 - search.ieice.org
With the increase of communication demand and the emergence of new services, various
innovative wireless technologies have been deployed recently. Free Space Optics (FSO) …

Next generation optical wireless communication systems using fiber direct coupled optical antennas

K Takahashi, N Das - Optical communication, 2012 - books.google.com
The broadband communication environment becomes the essential social infrastructure
when we perform a social activity. Above all, the optical fiber network was the main artery …

Research and development of a next-generation free-space optical communication system

K Wakamori, K Kazaura… - Broadband Access …, 2009 - spiedigitallibrary.org
Achieving an all-optical connection between any wireless communication systems with
optical fiber network is one of the ultimate goals of communication network design. An all …