An Integrated 40 Gbit/s Optical Costas Receiver

In this paper, a highly-integrated widely-tunable optical homodyne receiver is reported with 40 Gbaud/s data rate. By using photonic and electronic integration, the receiver is realized within a size of 10 × 10 mm 2 , and the system is very robust and resistive to environmental changes. An integrate...

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Bibliographic Details
Published in:Journal of lightwave technology 2013-07, Vol.31 (13), p.2244-2253
Main Authors: Mingzhi Lu, Hyun-chul Park, Bloch, E., Sivananthan, A., Parker, J. S., Griffith, Z., Johansson, L. A., Rodwell, M. J. W., Coldren, L. A.
Format: Article
Language:English
Subjects:
Adaptive optics
Applied sciences
Bandwidth
Circuit properties
Coherent receiver
Costas loop
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
High-speed optical techniques
homodyne detection
Integrated optics
Integrated optics. Optical fibers and wave guides
Optical and optoelectronic circuits
optical phase-locked loops
Optical receivers
Optoelectronic devices
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Semiconductor lasers
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Summary:In this paper, a highly-integrated widely-tunable optical homodyne receiver is reported with 40 Gbaud/s data rate. By using photonic and electronic integration, the receiver is realized within a size of 10 × 10 mm 2 , and the system is very robust and resistive to environmental changes. An integrated photonic coherent receiver circuit is demonstrated with 35 GHz photodetector bandwidth, and the integrated local oscillator (LO) laser covers a 40 nm range. The electronic IC (EIC) has a working frequency up to 50 GHz. The feedback loop is carefully analyzed and designed, and the experimental results show > 1.1 GHz loop bandwidth, which matches the design. The hold-in range is measured to be > 15 GHz. The phase noise of the transmitting laser has been cloned to the LO laser quite well, and both the linewidth measurement and phase noise measurement show no observable cross talk between binary phase shift keying (BPSK) data and the optical phase-locked loop (OPLL). Error free ( bit error rate
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2013.2265075