Polarization insensitive 320 Gb/s RZ-DQPSK single channel wavelength conversion was demonstrated using a Ti:PPLN-waveguide as all-optical wavelength converter in a bidirectional mode of operation.
The vector theory of four-wave mixing (FWM) in semiconductor optical amplifiers (SOA) is studied and experimentally validated, and a polarization insensitive all-optical wavelength converter is designed, suitable for advanced modulation formats. We study and experimentally validate the vector theory of four-wave mixing (FWM) in …
We have theoretically and experimentally investigated polarization insensitive all-optical wavelength conversion for polarization multiplexing signal …
The converter has an internal conversion efficiency of -8 dB, a conversion bandwidth of 76 nm, and a constant conversion efficiency for the 50-dB range of signal powers tested. We report wavelength conversion and spectral inversion using cascaded second-order nonlinearity in periodically poled LiNbO/sub 3/ waveguides pumped at 1.5 …
A single pump polarization-insensitive and widely tunable all-optical wavelength conversion for 10 Gbit/s non-return-to-zero (NRZ) signal is experimentally demonstrated by means of four-wave ...
We study and experimentally validate the vector theory of four-wave mixing (FWM) in semiconductor optical amplifiers (SOA). We use the vector theory of FWM to …
Polarisation-insensitive wavelength conversion by four-wave mixing (FWM) has been demonstrated in a 20 m short nonlinear photonics crystal fibre. Theoretical analysis confirms that the combination of a 45° pump launch and a minimum pump-probe detuning is required to reduce the polarisation sensitivity of FWM to ∼1 dB.
We demonstrate polarization insensitive FWM-based wavelength conversion of 40-Gb/s DPSK signals in a SiGe waveguide, with 0.42-dB polarization-dependent loss. A 1.5-dB power penalty was measured at a BER of 10−9.
A polarisation-insensitive wavelength converter is proposed using bi-directional nondegenerate forward four-wave mixing in a lasing DFB-LD in which the lasing beams are used as pump waves. The converter suppresses the polarisation sensitivity of conversion efficiency to within 0.4 dB, and demonstrates a 10 Gbit/s wavelength …
666 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 14, NO. 5, MAY 2002 Broad-Band Polarization-Insensitive Wavelength Conversion at 10 Gb/s G. Contestabile, A. D'Ottavi, Faustino Martelli, P. Spano, and J. Eckner Abstract—In this letter, we use four-wave mixing in semicon- ductor optical amplifiers to obtain wavelength conversion of data stream at …
At the device level, polarization-insensitive wavelength conversion has been demonstrated in semiconductor optical amplifiers (SOAs) [9,10] and periodically-poled lithium niobate (PPLN) waveguides ...
Polarization insensitive wavelength conversion in a dispersion-engineered silicon waveguide Minhao Pu,* Hao Hu, Christophe Peucheret, Hua Ji, Michael Galili, Leif K. Oxenløwe, Palle Jeppesen, Jørn M. Hvam, and Kresten Yvind DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Build. 343, DK-2800 Kongens …
Polarization insensitive 320 Gb/s RZ-DQPSK single channel wavelength conversion was demonstrated using a Ti:PPLN-waveguide as all-optical wavelength converter in a bidirectional mode of operation. ... H. Suche, R. Ludwig, B. Huettl, C. Schmidt-Langhorst, R. Nouroozi, W. Sohler, and C. Schubert, "Polarization Insensitive All-Optical Wavelength ...
JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 27, NO. 24, DECEMBER 15, 2009 5767 Polarization Insensitive Wavelength Conversion Based on Orthogonal Pump Four-Wave Mixing for Polarization Multiplexing Signal in High-Nonlinear Fiber Jia Lu, Lin Chen, Z. Dong, Z. Cao, and Shuangchun Wen Abstract—We have theoretically and …
The external waveguide coupling provides an optical interface to the wavelength converter, and in this work consists of a single-transverse-mode waveguide, bidirectionally coupled to each cavity ...
Polarization insensitive wavelength conversion by employing a dual pump scheme in 112-Gb/s polarization-multiplexed RZ-QPSK system has been realized by using a 2-m Bismuth-Oxide-based nonlinear ...
This paper presents a polarization-insensitive semiconductor optical amplifier Mach–Zehnder Interferometer (SOA-MZI) wavelength converter with a wide dynamic range. Direct detection of the wavelength-converted output signal power and feedback control of the signal power input to the SOA-MZI are proposed and are confirmed to be …
All-optical wavelength conversion technology based on four-wave mixing (FWM) effect is a promising development need of the modern high-speed optical signal processing system.
In this paper, polarization-insensitive wavelength conversion based on orthogonal-pumps and four-wave mixing in HNLF is experimentally demonstrated for high-speed 112-Gb/s PolMux-RZ-QPSK ...
In this paper, we proposed a 40Gbps 16QAM-OFDM polarization insensitive all-optical wavelength conversion (AOWC) system based on self-pumping structure of wide optical comb. In this scheme, the carrier suppression modulation is carried out by a laser with Mach-Zehnder modulator (MZM) to generate a wide comb with only 3 dB odd …
An all optical wavelength conversion of over 72 nm is achieved by four-wave mixing in a polarization-maintaining highly nonlinear dispersion-shifted fiber. Simultaneous wavelength conversion and optical phase conjugation of 320 Gb/s (32/spl times/10 Gb/s) WDM signal between the 1.55-/spl mu/m band and 1.58-/spl mu/m band is successfully …
We report theoretical and experimental results on a wavelength converter based on intermodal phase matching in a graded index three-mode elliptical-core fiber. Here, two copolarized pump waves propagate in one spatial mode, whereas a signal and the corresponding generated idler propagate in another mode. We demonstrate that the …
Polarization insensitive wavelength conversion in a dispersion-engineered silicon waveguide Minhao Pu,* Hao Hu, Christophe Peucheret, Hua Ji, Michael Galili, Leif K. Oxenløwe, Palle Jeppesen, Jørn M. Hvam, and Kresten Yvind DTU Fotonik, Department of Photonics Engineering, Technical University of Denmark, Build. 343, DK-2800 Kongens …
H. Hu et al. conversion efficiency and the fundamental power. The fun-damental wavelength is kept at 1546.2 nm while the power is changed. The maximum external conversion efficiency of
We study and experimentally validate the vector theory of four-wave mixing (FWM) in semiconductor optical amplifiers (SOA). We use the vector theory of FWM to design a …
The resultant polarization insensitive conversion efficiency and bandwidth are then mainly limited by those of the mode (TE or TM) that has the lower conversion efficiency and narrower bandwidth. Therefore, it is important to design and fabricate a silicon waveguide with similar FWM conversion performances for both the TE
Polarization-insensitive wavelength conversion is demonstrated for a 40 Gb/s non-return-to-zero differential phase-shift keying (NRZ-DPSK) data signal. Error-free performance of the converted signal is achieved with only 0.5 dB of power penalty at a bit-error-ratio (BER) of 10−9 compared to the case of an idler generated from an input …
Free-space optical (FSO) network is an effective way to enhance the interoperability and improve the resource utilization of the FSO communication systems. Since the structure is relatively simple and the nodes are not so many, wavelength conversion-based optical circuit switching (WC-OCS) is an appropriate candidate for …
Polarization-insensitive wavelength conversion is demonstrated for a 40 Gb/s non-return-to-zero differential phase-shift keying (NRZ-DPSK) data signal. Error-free performance of the converted signal is achieved with …
Here we report on the experimental demonstration of a polarization-insensitive solid-state quantum frequency conversion to a telecom photon from a short …
Polarization-insensitive widely tunable wavelength conversion has been demonstrated using four-wave mixing in a 64-m-long dispersion-flattened nonlinear photonic crystal …
A wavelength converter based on counterpropagating quasi-phase matched cascaded sum and difference frequency generation in lossy lithium niobate waveguide is numerically evaluated and compared to ...
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Abstract. Backward Raman amplification is applied to improve the conversion efficiency of two-orthogonal-pump four-wave mixing (FWM) with polarization insensitivity. Wavelength conversion with ~0dB efficiency and negligible polarization dependency is demonstrated by using a common highly nonlinear fiber without pump …
We report the first demonstration of polarisation insensitive all-optical wavelength conversion (AOWC) for single wavelength channel 640 Gbit/s return-to-zero differential-phase-shift-keying (RZ-DPSK) signal and 1.28 Tbit/s polarisation multiplexed (Pol-Mux) RZ-DPSK signals using a 100-m polarisatio …
We have theoretically and experimentally investigated polarization insensitive of all optical wavelength conversion for polarization multiplexing signal based on four-wave mixing (FWM) in nonlinear optical fiber. Optical polarization multiplexing technique can be used to double the transmission bit rate by adding data on each of two …
