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This paper provides an overview of burst-mode optical receiver ICs for broadband access networks. A passive optical network (PON) system is a cost-effective broadband access system whose use has been spreading worldwide. A key device in such a system is an optical receiver IC with a quick response and high sensitivity that realizes high efficiency in data transmission. This paper also reports burst-mode...
This paper describes a 10G burst-mode transimpedance amplifier (TIA) featuring fast gain switching and accurate automatic offset compensation (AOC) with a feed-forward configuration. We successfully improved the AOC accuracy by expanding the linear operation region of the control circuit, which resulted in suppressed waveform distortion. We built an optical receiver using the developed TIA IC, which...
We developed a 1 G/10 G dual-rate burst-mode APD-ROSA with a reset signal. We achieved high performance as regards sensitivity and a dynamic range with a response time of less than 230 ns at 0 - 85degC.
We propose and demonstrate a 1.25/10.3-Gbit/s dual-rate burst-mode receiver with two gate circuits to separate the signals according to the bit rate of the input signals. This receiver is cost effective because it employs devices with an ac-coupled interface and no reset signals.
Linewidth tolerant 2.5-Gsymbol/s (10-Gbit/s) 16-QAM real-time modulation/demodulation of BER of less than 10-9 was experimentally demonstrated using a DFB-LD with a linewidth of 30-MHz.
Linewidth-tolerant QPSK self-homodyne transmission has been demonstrated at 20 Gb/s using a polarization-multiplexed pilot carrier. No degradation in receiver sensitivity up to a linewidth of 30 MHz and error-free 160-km transmission were achieved.
A 7cc, 8-channel, full-duplex simulaneous operation, multi-rate optical module is proposed for flexible optical access network systems. The proposed module has high-sensitivity berause it offers automatic transimpedance gain and band-pass-filtering.
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