40Gbit/s coherent optical receiver using a Costas loop | Zendy

HyunChul Park | Zendy; Mingzhi Lu | Zendy; Eli Bloch | Zendy; T. B. Reed | Zendy; Zach Griffith | Zendy; Leif A. Johansson | Zendy; L.A. Coldren | Zendy; M.J.W. Rodwell | Zendy

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40Gbit/s coherent optical receiver using a Costas loop

Author(s) -

HyunChul Park,

Mingzhi Lu,

Eli Bloch,

T. B. Reed,

Zach Griffith,

Leif A. Johansson,

L.A. Coldren,

M.J.W. Rodwell

Publication year - 2012

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.20.00b197

Subject(s) - optics , phase locked loop , direct conversion receiver , physics , gigabit , loop (graph theory) , optical filter , optical communication , photonics , keying , homodyne detection , electronic engineering , phase noise , telecommunications , computer science , engineering , mathematics , combinatorics

A highly integrated 40 Gbit/s coherent optical receiver is reported using a Costas loop as a homodyne optical phase locked loop (OPLL). A photonic IC, an electrical IC, and a hybrid loop filter are characterized, and the feedback loop system is fully analyzed to build a stable homodyne OPLL. All components are integrated on a single substrate within the compact size of 10 × 10mm(2), and a 1.1 GHz loop bandwidth and a 120 psloop delay are achieved. The binary phase-shift keying receiver exhibits error-free (BER<10(-12)) up to 35 Gbit/s and BER<10(-7) for 40 Gbit/s with no latency, and consumes less than 3 W power.

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