Donald Hewitt

Flexible bandwidth DGD estimation for coherent optical OFDM system

Cuong C Do, An V Tran, Simin Chen, Trevor Anderson, Don Hewitt, Efstratios Skafidas

Journal article  |  2013  |  OPTICS EXPRESS

A Stokes vector based non-data-aided (NDA) differential group delay (DGD) estimation scheme with flexible bandwidth requirements i..

Data-Aided OSNR Estimation for QPSK and 16-QAM Coherent Optical System

C Do, AV Tran, C Zhu, D Hewitt, E Skafidas

Journal article  |  2013  |  IEEE PHOTONICS JOURNAL

We propose an optical signal-to-noise ratio (OSNR) estimation technique using self-equalized complementary Golay sequences for bot..

Non-Data-Aided PMD Monitoring for Optical OFDM Systems Using Low Bandwidth Coherent Receivers

S Chen, T Anderson, D Hewitt, AV Tran, E Skafidas

Conference Proceedings  |  2013  |  2013 OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE (OFC/NFOEC)

A Stokes vector based non-data-aided DGD monitoring scheme for 40-Gb/s polarization-multiplexed coherent optical OFDM systems with..

Optical performance monitoring for OFDM using low bandwidth coherent receivers

Simin Chen, Trevor Anderson, Don Hewitt, An V Tran, Chen Zhu, Liang B Du, Arthur J Lowery, Efstratios Skafidas

Journal article  |  2012  |  OPTICS EXPRESS

We propose using low bandwidth coherent receivers for distributed optical performance monitoring. We demonstrate optical signal-to..

Optical performance monitoring with low bandwidth coherent receivers

TB Anderson, S Chen, A Tran, DF Hewitt, LB Du, AJ Lowery

Conference Proceedings  |  2012  |  European Conference and Exhibition on Optical Communication, ECEOC 2012

We propose using low bandwidth coherent receivers for distributed optical performance monitoring. We demonstrate OSNR monitoring o..

Chromatic dispersion estimation in 40 Gb/s coherent polarization-multiplexed single carrier system using complementary golay sequences

CC Do, C Zhu, AV Tran, S Chen, T Anderson, D Hewitt, E Skafidas

Conference Proceedings  |  2012  |  Optics InfoBase Conference Papers

We experimentally demonstrate full-transmission chromatic dispersion estimation with high accuracy in 40-Gb/s coherent polarizatio..

Single carrier QPSK and 16 QAM system demonstration using frequency domain equalization and training sequences

AV Tran, C Zhu, CC Do, S Chen, LB Du, T Anderson, D Hewitt, AJ Lowery, E Skafidas

Conference Proceedings  |  2012  |  Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012

We experimentally demonstrate coherent polarization-multiplexed QPSK and 16QAM single-carrier system with frequency-domain-equaliz..

Measurement of PMD using the time-domain evolution of the Stokes vector

T Anderson, S Chen, D Hewitt, A Tran, D Beaman, H Ferra, T Morgan

Conference Proceedings  |  2012  |  Technical Digest - 2012 17th Opto-Electronics and Communications Conference, OECC 2012

We demonstrate a PMD measurement technique for 10-Gbit/s signals using time domain evolution of Stokes vector with a low sampling-..

Data-Aided Chromatic Dispersion Estimation for Polarization Multiplexed Optical Systems

Cuong C Do, An V Tran, Chen Zhu, Simin Chen, Trevor Anderson, Don Hewitt, Efstratios Skafidas

Journal article  |  2012  |  IEEE PHOTONICS JOURNAL

We propose a full transmission link chromatic dispersion (CD) estimation technique for polarization-multiplexed coherent optical s..

8x40-Gb/s Optical Coherent Pol-Mux Single Carrier System With Frequency Domain Equalization and Training Sequences

Vu Tran An, Chen Zhu, Cuong Cao Do, Simin Chen, Trevor Anderson, Don Hewitt, Efstratios Skafidas

Journal article  |  2012  |  IEEE PHOTONICS TECHNOLOGY LETTERS

Owing to its low transmitter complexity and low sensitivity to nonlinear impairments, phase noise, and frequency offset, the singl..