Field Trial of 112 Gb/s Dual-Carrier DQPSK Channel Upgrade in Installed 516 km of Fiber Link and ROADM

A field trial of 100GE signal transmission using dual-carrier differential quadrature phase shift keying (DC-DQPSK) based optical transceiver is demonstrated for 100 Gb/s metro area network. Neither high-end ADC/DSP nor fast optical polarization tracking is required in the DC-DQPSK based optical tra...

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Veröffentlicht in:	Journal of lightwave technology 2012-12, Vol.30 (24), p.3918-3923
Hauptverfasser:	Chung, Hwan Seok, Chang, Sun Hyok, Lee, Jyung Chan, Shin, Jongyoon, Youn, Ji Wook, Ko, JeSoo, Lee, Joon Ki, Kang, Sae-Kyoung, Huh, Joon Young, Lee, Jong Hyun, Lee, Won Hee, Hyun, Sung Kyu, Kang, Sun Moo, Kim, Kwangjoon
Format:	Artikel
Sprache:	eng
Schlagworte:	100 Gb/s Applied sciences Circuit properties DC-DQPSK direct detection Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Forward error correction Information, signal and communications theory Integrated optics. Optical fibers and wave guides Modulation, demodulation Optical and optoelectronic circuits Optical fibers Optical noise Optical telecommunications Quadrature phase shift keying Signal and communications theory Signal to noise ratio Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Transmission and modulation (techniques and equipments)
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Zusammenfassung:	A field trial of 100GE signal transmission using dual-carrier differential quadrature phase shift keying (DC-DQPSK) based optical transceiver is demonstrated for 100 Gb/s metro area network. Neither high-end ADC/DSP nor fast optical polarization tracking is required in the DC-DQPSK based optical transceiver, which results in low electrical power consumption of ~ 35 W. The measured OSNR sensitivity of DC-DQPSK optical transceiver at the BER of 10 - 3 is 18.3 dB. After the transmission through 516 km of installed fiber and ROADM, an error-free transmission of 100GE signal over 106 hours with OTU4 framer and forward error correction (FEC) decoding proves feasibility of DC-DQPSK optical transceiver for 100G metro network applications.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2012.2204232