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Josep Fabrega

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Papers by Josep Fabrega

Research paper thumbnail of Homodyne receiver prototype with time-switching phase diversity and feedforward analog processing

Optics letters, Jan 1, 2007

Research paper thumbnail of Demonstration of a full duplex PON featuring 2.5 Gbps sub carrier multiplexing downstream and 1.25 Gbps upstream with colourless ONU and simple optics

… , 2008. ECOC 2008. …, Jan 1, 2008

Research paper thumbnail of Ultra-Dense WDM PON based on Homodyne Detection and Local Oscillator Reuse for Upstream Transmission

Optical Communications, Jan 1, 2006

Page 1. Ultra-Dense WDM PON based on Homodyne Detection and Local Oscillator Reuse for Upstream T... more Page 1. Ultra-Dense WDM PON based on Homodyne Detection and Local Oscillator Reuse for Upstream Transmission Carlos Bock, Josep M. Fabrega and Josep Prat Universitat Politècnica de Catalunya, Dept. of Signal Theory ...

Research paper thumbnail of Tuning Characteristics and Switching Speed of a Modulated Grating Y Structure Laser for Wavelength Routed PONs

… Networks and In- …, Jan 1, 2010

Page 1. OSA / ANIC 2010 Tuning Characteristics and Switching Speed of a Modulated Grating Y Struc... more Page 1. OSA / ANIC 2010 Tuning Characteristics and Switching Speed of a Modulated Grating Y Structure Laser for Wavelength Routed PONs M. Mestre1, JM Fàbrega1, JA Lázaro1, V. Polo1, A. Djupsjöbacka2, M. Forzati2, P.-J. Rigole3, J. Prat1 ...

Research paper thumbnail of New homodyne receiver with electronic I&Q differential demodulation

Optical Communication, 2005. ECOC …, Jan 1, 2005

Page 1. ECOC 2005 Proceedings - Vol.3 Paper We4.P.104 New homodyne receiver with electronic I&amp... more Page 1. ECOC 2005 Proceedings - Vol.3 Paper We4.P.104 New homodyne receiver with electronic I&Q differential demodulation Josep Prat, Josep M. Fabrega Universitat Politecnica de Catalunya (UPC), Dept. Signal Theory ...

Research paper thumbnail of Experimental demonstration of heterodyne phase-locked loop for optical homodyne PSK receivers in PONs

Transparent Optical Networks, …, Jan 1, 2008

Page 1. We.C1.5 222 ICTON 2008 ————— The work reported in this paper was supported in part by the... more Page 1. We.C1.5 222 ICTON 2008 ————— The work reported in this paper was supported in part by the Spanish MEC PTA-2003-02-00874 grant, and the European BONE NoE. 978-1-4244-2626-3/08/$25.00 ©2008 IEEE ...

Research paper thumbnail of Channel crosstalk in ultra-dense WDM PON using time-switched phase diversity optical homodyne reception

… Optical Networks, 2007. ICTON'07. 9th …, Jan 1, 2007

Research paper thumbnail of New intradyne receiver with electronic-driven phase and polarization diversity

Optical Fiber Communication Conference, Jan 1, 2006

Page 1. New intradyne receiver with electronic-driven phase and polarization diversity Josep M. F... more Page 1. New intradyne receiver with electronic-driven phase and polarization diversity Josep M. Fabrega, Josep Prat Universitat Politècnica de Catalunya (UPC), Dept. Signal Theory and Communications, Jordi Girona 1, D4-D5, 08034 Barcelona (Spain). ...

Research paper thumbnail of All-Optical Intra-PON Data Routing Between ONUs with a MG-Y Tunable Laser as 2.5 Gbps Burst-Mode Transmitter

National Fiber Optic …, Jan 1, 2011

Abstract: Direct communication between ONUs is experimentally demonstrated with a tunable MG-Y la... more Abstract: Direct communication between ONUs is experimentally demonstrated with a tunable MG-Y laser in a ring+tree PON for 640 users, without passing electrically powered equipment. 2011 Optical Society of America OCIS codes: (060.2330) Fiber optics ...

Research paper thumbnail of Enhanced Transmission Techniques

Next-Generation FTTH …, Jan 1, 2008

Research paper thumbnail of Design of a wavelength control for coherent detection of high order modulation formats

… Optical Networks, 2009. …, Jan 1, 2009

Research paper thumbnail of Characterization of Fast and Power Efficient Optical OFDM Transmission System Based on Hartley Transform

CLEO: Science and …, Jan 1, 2011

Research paper thumbnail of Homodyne PSK Receiver with Electronic-Driven Phase Diversity and Fuzzy Logic Data Estimation

…, Jan 1, 2006

A novel phase shift keying (PSK) receiver technique is proposed based on fuzzy logic digital sign... more A novel phase shift keying (PSK) receiver technique is proposed based on fuzzy logic digital signal processing and electronic-driven diversity. It achieves high tolerance to phase noise and feasible implementation with off-the-shelf electronic and optical components.

Research paper thumbnail of Deployment analysis of TDM/WDM single fiber PON with colourless ONU operating at 2.5 Gbps subcarrier multiplexed downstream and 1.25 Gbps upstream

Research paper thumbnail of Experimental investigation of channel crosstalk in a time-switched phase-diversity optical homodyne receiver

Optics letters, Jan 1, 2009

Research paper thumbnail of Ultra-dense, transparent and resilient ring-tree access network using coupler-based remote nodes and homodyne transceivers

… Optical Networks, 2009. ICTON'09. 11th …, Jan 1, 2009

Research paper thumbnail of Homodyne Receiver Implementation with Diversity Switching and Analogue Processing

Research paper thumbnail of SOA/REAM as Vector Modulator for QAM Upstream

Optical Fiber …, Jan 1, 2011

Research paper thumbnail of Digital Phase Estimation Method based on Karhunen-Loève series expansion for Coherent Phase Diversity Detection

Optical Fiber Communication Conference, Jan 1, 2010

Research paper thumbnail of Homodyne receiver prototype with time-switching phase diversity and feedforward analog processing

Optics letters, Jan 1, 2007

Research paper thumbnail of Demonstration of a full duplex PON featuring 2.5 Gbps sub carrier multiplexing downstream and 1.25 Gbps upstream with colourless ONU and simple optics

… , 2008. ECOC 2008. …, Jan 1, 2008

Research paper thumbnail of Ultra-Dense WDM PON based on Homodyne Detection and Local Oscillator Reuse for Upstream Transmission

Optical Communications, Jan 1, 2006

Page 1. Ultra-Dense WDM PON based on Homodyne Detection and Local Oscillator Reuse for Upstream T... more Page 1. Ultra-Dense WDM PON based on Homodyne Detection and Local Oscillator Reuse for Upstream Transmission Carlos Bock, Josep M. Fabrega and Josep Prat Universitat Politècnica de Catalunya, Dept. of Signal Theory ...

Research paper thumbnail of Tuning Characteristics and Switching Speed of a Modulated Grating Y Structure Laser for Wavelength Routed PONs

… Networks and In- …, Jan 1, 2010

Page 1. OSA / ANIC 2010 Tuning Characteristics and Switching Speed of a Modulated Grating Y Struc... more Page 1. OSA / ANIC 2010 Tuning Characteristics and Switching Speed of a Modulated Grating Y Structure Laser for Wavelength Routed PONs M. Mestre1, JM Fàbrega1, JA Lázaro1, V. Polo1, A. Djupsjöbacka2, M. Forzati2, P.-J. Rigole3, J. Prat1 ...

Research paper thumbnail of New homodyne receiver with electronic I&Q differential demodulation

Optical Communication, 2005. ECOC …, Jan 1, 2005

Page 1. ECOC 2005 Proceedings - Vol.3 Paper We4.P.104 New homodyne receiver with electronic I&amp... more Page 1. ECOC 2005 Proceedings - Vol.3 Paper We4.P.104 New homodyne receiver with electronic I&Q differential demodulation Josep Prat, Josep M. Fabrega Universitat Politecnica de Catalunya (UPC), Dept. Signal Theory ...

Research paper thumbnail of Experimental demonstration of heterodyne phase-locked loop for optical homodyne PSK receivers in PONs

Transparent Optical Networks, …, Jan 1, 2008

Page 1. We.C1.5 222 ICTON 2008 ————— The work reported in this paper was supported in part by the... more Page 1. We.C1.5 222 ICTON 2008 ————— The work reported in this paper was supported in part by the Spanish MEC PTA-2003-02-00874 grant, and the European BONE NoE. 978-1-4244-2626-3/08/$25.00 ©2008 IEEE ...

Research paper thumbnail of Channel crosstalk in ultra-dense WDM PON using time-switched phase diversity optical homodyne reception

… Optical Networks, 2007. ICTON'07. 9th …, Jan 1, 2007

Research paper thumbnail of New intradyne receiver with electronic-driven phase and polarization diversity

Optical Fiber Communication Conference, Jan 1, 2006

Page 1. New intradyne receiver with electronic-driven phase and polarization diversity Josep M. F... more Page 1. New intradyne receiver with electronic-driven phase and polarization diversity Josep M. Fabrega, Josep Prat Universitat Politècnica de Catalunya (UPC), Dept. Signal Theory and Communications, Jordi Girona 1, D4-D5, 08034 Barcelona (Spain). ...

Research paper thumbnail of All-Optical Intra-PON Data Routing Between ONUs with a MG-Y Tunable Laser as 2.5 Gbps Burst-Mode Transmitter

National Fiber Optic …, Jan 1, 2011

Abstract: Direct communication between ONUs is experimentally demonstrated with a tunable MG-Y la... more Abstract: Direct communication between ONUs is experimentally demonstrated with a tunable MG-Y laser in a ring+tree PON for 640 users, without passing electrically powered equipment. 2011 Optical Society of America OCIS codes: (060.2330) Fiber optics ...

Research paper thumbnail of Enhanced Transmission Techniques

Next-Generation FTTH …, Jan 1, 2008

Research paper thumbnail of Design of a wavelength control for coherent detection of high order modulation formats

… Optical Networks, 2009. …, Jan 1, 2009

Research paper thumbnail of Characterization of Fast and Power Efficient Optical OFDM Transmission System Based on Hartley Transform

CLEO: Science and …, Jan 1, 2011

Research paper thumbnail of Homodyne PSK Receiver with Electronic-Driven Phase Diversity and Fuzzy Logic Data Estimation

…, Jan 1, 2006

A novel phase shift keying (PSK) receiver technique is proposed based on fuzzy logic digital sign... more A novel phase shift keying (PSK) receiver technique is proposed based on fuzzy logic digital signal processing and electronic-driven diversity. It achieves high tolerance to phase noise and feasible implementation with off-the-shelf electronic and optical components.

Research paper thumbnail of Deployment analysis of TDM/WDM single fiber PON with colourless ONU operating at 2.5 Gbps subcarrier multiplexed downstream and 1.25 Gbps upstream

Research paper thumbnail of Experimental investigation of channel crosstalk in a time-switched phase-diversity optical homodyne receiver

Optics letters, Jan 1, 2009

Research paper thumbnail of Ultra-dense, transparent and resilient ring-tree access network using coupler-based remote nodes and homodyne transceivers

… Optical Networks, 2009. ICTON'09. 11th …, Jan 1, 2009

Research paper thumbnail of Homodyne Receiver Implementation with Diversity Switching and Analogue Processing

Research paper thumbnail of SOA/REAM as Vector Modulator for QAM Upstream

Optical Fiber …, Jan 1, 2011

Research paper thumbnail of Digital Phase Estimation Method based on Karhunen-Loève series expansion for Coherent Phase Diversity Detection

Optical Fiber Communication Conference, Jan 1, 2010

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