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Proceedings Paper

Optical terabit transmitter and receiver based on passive polymer and InP technology for high-speed optical connectivity between datacenters
Author(s): V. Katopodis; C. Tsokos; D. de Felipe; M. Spyropoulou; A. Konczykowska; A. Aimone; P. Groumas; J.-Y. Dupuy; F. Jorge; H. Mardoyan; R. Rios-Müller; J. Renaudier; P. Jennevé; F. Boitier; A. Pagano; M. Quagliotti; D. Roccato; T. K. Johansen; M. Tienforti; A. Vannucci; H.-G. Bach; N. Keil; H. Avramopoulos; Ch. Kouloumentas; Muriel Riet
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Paper Abstract

We demonstrate the hybrid integration of a multi-format tunable transmitter and a coherent optical receiver based on optical polymers and InP electronics and photonics for next generation metro and core optical networks. The transmitter comprises an array of two InP Mach-Zehnder modulators (MZMs) with 42 GHz bandwidth and two passive PolyBoards at the back- and front-end of the device. The back-end PolyBoard integrates an InP gain chip, a Bragg grating and a phase section on the polymer substrate capable of 22 nm wavelength tunability inside the C-band and optical waveguides that guide the light to the inputs of the two InP MZMs. The front-end PolyBoard provides the optical waveguides for combing the In-phase and Quadrature-phase modulated signals via an integrated thermo-optic phase shifter for applying the pi/2 phase-shift at the lower arm and a 3-dB optical coupler at the output. Two InP-double heterojunction bipolar transistor (InP-DHBT) 3-bit power digital-to-analog converters (DACs) are hybridly integrated at either side of the MZM array chip in order to drive the IQ transmitter with QPSK, 16-QAM and 64-QAM encoded signals. The coherent receiver is based on the other side on a PolyBoard, which integrates an InP gain chip and a monolithic Bragg grating for the formation of the local oscillator laser, and a monolithic 90° optical hybrid. This PolyBoard is further integrated with a 4-fold InP photodiode array chip with more than 80 GHz bandwidth and two high-speed InP-DHBT transimpedance amplifiers (TIAs) with automatic gain control. The transmitter and the receiver have been experimentally evaluated at 25Gbaud over 100 km for mQAM modulation showing bit-error-rate (BER) performance performance below FEC limit.

Paper Details

Date Published: 29 January 2018
PDF: 15 pages
Proc. SPIE 10561, Next-Generation Optical Communication: Components, Sub-Systems, and Systems VII, 1056107 (29 January 2018); doi: 10.1117/12.2290258
Show Author Affiliations
V. Katopodis, National Technical Univ. of Athens (Greece)
C. Tsokos, National Technical Univ. of Athens (Greece)
D. de Felipe, Fraunhofer Institute for Telecommunications (Germany)
M. Spyropoulou, National Technical Univ. of Athens (Greece)
A. Konczykowska, III-V Lab. (France)
A. Aimone, Fraunhofer Institute for Telecommunications (Germany)
P. Groumas, National Technical Univ. of Athens (Greece)
Optagon Photonics (Greece)
J.-Y. Dupuy, III-V Lab. (France)
F. Jorge, III-V Lab. (France)
H. Mardoyan, Nokia Bell Labs. (France)
R. Rios-Müller, Nokia Bell Labs. (France)
J. Renaudier, Nokia Bell Labs. (France)
P. Jennevé, Nokia Bell Labs. (France)
F. Boitier, Nokia Bell Labs. (France)
A. Pagano, Telecom Italia Lab (Italy)
M. Quagliotti, Telecom Italia Lab (Italy)
D. Roccato, Telecom Italia Lab (Italy)
T. K. Johansen, Technical Univ. of Denmark (Denmark)
M. Tienforti, Cordon Electronics (Italy)
A. Vannucci, Cordon Electronics (Italy)
H.-G. Bach, Fraunhofer Institute for Telecommunications (Germany)
N. Keil, Fraunhofer Institute for Telecommunications (Germany)
H. Avramopoulos, National Technical Univ. of Athens (Greece)
Ch. Kouloumentas, National Technical Univ. of Athens (Greece)
Optagon Photonics (Greece)
Muriel Riet, III-V lab (France)


Published in SPIE Proceedings Vol. 10561:
Next-Generation Optical Communication: Components, Sub-Systems, and Systems VII
Guifang Li; Xiang Zhou, Editor(s)

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