An Opto-Electronic Interferometer and Its Use in Subcarrier Add/Drop Multiplexing

Conventional interferometers split and recombine an optical signal after some limited optical processing in one or more of their interference paths. We study an interferometer structure that converts the signal to a different wavelength range for processing and converts it back to the original wavelength for interference. In particular, we consider intradyne conversion of the optical signal in one interferometer arm to digital electronic baseband, followed by digital electronic signal processing and subsequent electro-optic conversion, using the same laser for local oscillator and retransmitted signal. This allows for arbitrary time/frequency manipulations of an optical signal within the system's bandwidth capabilities while letting the other frequency portions of the signal pass through the system unchanged. We quantify the performance of such an opto-electronic interferometer as a subcarrier add/drop node in a digital optical communication system and study its tolerance to important practical hardware limitations.

[1]  Peter J. Winzer,et al.  Coherent crosstalk in ultra-dense WDM systems , 2004 .

[2]  S. L. Danielsen,et al.  All-optical wavelength conversion by semiconductor optical amplifiers , 1996 .

[3]  David J. Richardson,et al.  All-optical phase and amplitude regenerator for next-generation telecommunications systems , 2010 .

[4]  S. Suzuki,et al.  Arrayed-waveguide grating for wavelength division multi/demultiplexer with nanometre resolution , 1990 .

[5]  Stylianos Sygletos,et al.  A practical phase sensitive amplification scheme for two channel phase regeneration. , 2011, Optics express.

[6]  A. Gnauck,et al.  Penalties from in-band crosstalk for advanced optical modulation formats , 2011, 2011 37th European Conference and Exhibition on Optical Communication.

[7]  M. Smit.  New focusing and dispersive planar component based on an optical phased array , 1988 .

[8]  S. Chandrasekhar,et al.  Experimental demonstration of fiber nonlinearity mitigation using digital phase conjugation , 2012, OFC/NFOEC.

[9]  A.H. Gnauck,et al.  Optical phase-shift-keyed transmission , 2005, Journal of Lightwave Technology.

[10]  G. Bosco,et al.  Single- and multi-carrier techniques to build up Tb/s per channel transmission systems , 2010, 2010 12th International Conference on Transparent Optical Networks.

[11]  Atsushi Takada,et al.  Gain characteristics of coherent optical amplifiers using a Mach-Zehnder interferometer with Kerr media , 1999 .

[12]  R. Noe,et al.  Hardware-Efficient Coherent Digital Receiver Concept With Feedforward Carrier Recovery for $M$ -QAM Constellations , 2009, Journal of Lightwave Technology.

[13]  Seb J Savory,et al.  Digital filters for coherent optical receivers. , 2008, Optics express.

[14]  N. Doran,et al.  Nonlinear-optical loop mirror. , 1988, Optics letters.

[15]  Masahiko Jinno,et al.  Enabling technologies for adaptive resource allocation in elastic optical path network (SLICE) , 2010, Asia Communications and Photonics Conference and Exhibition.

[16]  F. Derr,et al.  Coherent optical QPSK intradyne system: concept and digital receiver realization , 1992 .

[17]  Xiang Zhou,et al.  Electronic phase conjugation for nonlinearity compensation in fiber communication systems , 2011, 2011 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference.

[18]  Yuanyuan Zhang,et al.  Digital subcarrier multiplexing for flexible spectral allocation in optical transport network. , 2011, Optics express.

[19]  C. Dragone.  An N*N optical multiplexer using a planar arrangement of two star couplers , 1991, IEEE Photonics Technology Letters.

[20]  Norman C. Beaulieu,et al.  Communication Theory Analysis of the effects of Nyquist pulse-shaping on the performance of OFDM systems with carrier frequency offset , 2009, Eur. Trans. Telecommun..

[21]  H. Melchior,et al.  Low-power compact 2/spl times/2 thermooptic silica-on-silicon waveguide switch with fast response , 1998, IEEE Photonics Technology Letters.

[22]  Fred Buchali,et al.  Demonstration of bit rate variable ROADM functionality on an optical OFDM superchannel , 2010, 2010 Conference on Optical Fiber Communication (OFC/NFOEC), collocated National Fiber Optic Engineers Conference.

[23]  R. Alferness.  Guided-wave devices for optical communication , 1981 .

[24]  Xiang Liu,et al.  Experimental investigation on the performance of closely spaced multi-carrier PDM-QPSK with digital coherent detection. , 2009, Optics express.

[25]  Christi K. Madsen,et al.  A general planar waveguide autoregressive optical filter , 1996 .

[26]  R.-J. Essiambre,et al.  Coherent crosstalk in ultradense WDM systems , 2005, Journal of Lightwave Technology.

[27]  Stylianos Sygletos,et al.  Novel real-time homodyne coherent receiver using a feed-forward based carrier extraction scheme for phase modulated signals. , 2011, Optics express.

[28]  Hoon Kim,et al.  Degradations in balanced DPSK receivers , 2003, IEEE Photonics Technology Letters.

[29]  P. Andrekson,et al.  Ultralow Noise, Broadband Phase-Sensitive Optical Amplifiers, and Their Applications , 2012, IEEE Journal of Selected Topics in Quantum Electronics.

[30]  M. Magarini,et al.  Spectrally Efficient Long-Haul Optical Networking Using 112-Gb/s Polarization-Multiplexed 16-QAM , 2010, Journal of Lightwave Technology.