40 Gb/s W-band (75–110 GHz) 16-QAM radio-over-fiber signal generation and its wireless transmission
Atsushi Kanno,Keizo Inagaki,Isao Morohashi,Takahide Sakamoto,Toshiaki Kuri,Iwao Hosako,Tetsuya Kawanishi,Yuki Yoshida,Ken-ichi Kitayama +8 more
TLDR
40-Gb/s W-band 16-QAM radio-over-fiber signal is optically synthesized using dual-polarization QPSK modulator and its wireless transmission within FEC limit is demonstrated with optical self-heterodyne detection and digital signal processing.Abstract:
The generation of a 40-Gb/s 16-QAM radio-over-fiber (RoF) signal and its demodulation of the wireless signal transmitted over free space of 30 mm in W-band (75-110 GHz) is demonstrated. The 16-QAM signal is generated by a coherent polarization synthesis method using a dual-polarization QPSK modulator. A combination of the simple RoF generation and the versatile digital receiver technique is suitable for the proposed coherent optical/wireless seamless network.read more
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I and i
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Wireless sub-THz communication system with high data rate
S. Koenig,D. Lopez-Diaz,J. Antes,J. Antes,F. Boes,F. Boes,R. Henneberger,Arnulf Leuther,Axel Tessmann,Rene Schmogrow,Rene Schmogrow,David Hillerkuss,David Hillerkuss,Robert Palmer,Thomas Zwick,Christian Koos,Wolfgang Freude,Oliver Ambacher,Juerg Leuthold,Juerg Leuthold,Ingmar Kallfass,Ingmar Kallfass +21 more
TL;DR: A wireless sub-THz communication system near 237.5 GHz with one to three carriers and up to 100 Gbit/s with state-of-the-art active I/Q-MMIC at the Rx is demonstrated.
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High spectral purity Kerr frequency comb radio frequency photonic oscillator
Wei Liang,Danny Eliyahu,Vladimir Ilchenko,Anatoliy A. Savchenkov,Andrey B. Matsko,David Seidel,Lute Maleki +6 more
TL;DR: This work demonstrates a miniature 10 GHz radio frequency photonic oscillator characterized with phase noise better than −60 dBc Hz−1 at 10GHz, −90 dBcHz+1 at 100MHz, and −170dBC Frequency Stability, at the level of 10−10 at 1–100s integration time.
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Terahertz wireless communications based on photonics technologies
Tadao Nagatsuma,Shogo Horiguchi,Yusuke Minamikata,Yasuyuki Yoshimizu,Shintaro Hisatake,Shigeru Kuwano,Naoto Yoshimoto,Jun Terada,Hiroyuki Takahashi +8 more
TL;DR: Recent progress in terahertz wireless communications using telecom-based photonics technologies towards 100 Gbit/s is reviewed.
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TeraHertz Photonics for Wireless Communications
TL;DR: This paper will describe how photonic techniques can enable ultrahigh capacity wireless data distribution and transmission using signals at millimeter-wave and TeraHertz frequencies.
References
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Journal ArticleDOI
I and i
TL;DR: There is, I think, something ethereal about i —the square root of minus one, which seems an odd beast at that time—an intruder hovering on the edge of reality.
Journal ArticleDOI
120-GHz-band millimeter-wave photonic wireless link for 10-Gb/s data transmission
Akihiko Hirata,Toshihiko Kosugi,Hiroyuki Takahashi,R. Yamaguchi,Nakajima Fumito,Tomofumi Furuta,Hiroshi Ito,H. Sugahara,Yasuhiro Sato,Tadao Nagatsuma +9 more
TL;DR: In this article, a 120-GHz-band wireless link that uses millimeter-wave photonic techniques was developed, which achieved error-free transmission of OC-192 and 10-GbE signals over a distance of more than 200 m with a received power of below -30 dBm.
Journal ArticleDOI
10-Gbit/s Wireless Link Using InP HEMT MMICs for Generating 120-GHz-Band Millimeter-Wave Signal
Akihiko Hirata,R. Yamaguchi,Toshihiko Kosugi,H. Takahashi,K. Murata,Tadao Nagatsuma,Naoya Kukutsu,Yuichi Kado,N. Iai,Satoshi Okabe,S. Kimura,H. Ikegawa,H. Nishikawa,T. Nakayama,T. Inada +14 more
TL;DR: In this article, a 120-GHz-band mm-wave monolithic integrated circuits (MMICs) were fabricated using 0.1-mum-gate InP-HEMTs and coplanar waveguides.
Journal ArticleDOI
High Extinction Ratio Mach–Zehnder Modulator Applied to a Highly Stable Optical Signal Generator
Hitoshi Kiuchi,Tetsuya Kawanishi,M. Yamada,Takahide Sakamoto,Masahiro Tsuchiya,Jun Amagai,Masayuki Izutsu +6 more
TL;DR: In this article, the authors applied the high extinction ratio optical modulator to a high-stability and high-frequency (over 100 GHz) optical reference signal generator, which is used for high-rate communication and astronomical application.
Proceedings ArticleDOI
Terahertz wireless communication link at 300 GHz
Ho-Jin Song,Katsuhiro Ajito,Atsushi Wakatsuki,Yoshifumi Muramoto,Naoya Kukutsu,Yuichi Kado,Tadao Nagatsuma +6 more
TL;DR: A terahertz wave wireless link operating at 300 GHz which has a potential for use in ultra fast future wireless services in short range and taking the performance margin of the transmitter and receiver into consideration, it is believed that up to 20-Gbps data can be transmitted.
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