300-GHz-Band Diplexer for Frequency-Division Multiplexed Wireless Communication

被引：5

作者：

Kawamoto, Yuma ^{[1
]}

Yoshioka, Toki ^{[1
]}

Shibata, Norihiko ^{[1
]}

Headland, Daniel ^{[1
]}

Fujita, Masayuki ^{[1
]}

Koma, Ryo ^{[2
]}

Igarashi, Ryo ^{[2
]}

Hara, Kazutaka ^{[2
]}

Kani, Jun-ichi ^{[2
]}

Nagatsuma, Tadao ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan

[2] NTT Corp, NTT Access Network Serv Syst Labs, Yokosuka, Kanagawa 2390847, Japan

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2023年 / E106C卷 / 11期

关键词：

diplexer; frequency-division multiplexing; silicon waveguides; terahertz; wireless communications; WAVE-GUIDES; TERAHERTZ;

D O I：

10.1587/transele.2023MMS0006

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We propose a novel silicon diplexer integrated with filters for frequency-division multiplexing in the 300-GHz band. The diplexer consists of a directional coupler formed of unclad silicon wires, a photonic bandgap-based low-pass filter, and a high-pass filter based on frequency-dependent bending loss. These integrated filters are capable of suppressing crosstalk and providing >15 dB isolation over 40 GHz, which is highly beneficial for terahertz-range wireless communications applications. We have used this diplexer in a simultaneous error-free wireless transmission of 300-GHz and 335-GHz channels at the aggregate data rate of 36 Gbit/s.

引用

页码：722 / 726

页数：5

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