Flexible all-optical wavelength conversions of 1.57-ps pulses exploiting cascaded sum- and difference frequency generation (cSFG/DFG) in a PPLN waveguide

Wang, J.; Sun, Junqiang; Luo, Chengzhi; Sun, Qizhen

doi:10.1007/s00340-006-2240-z

Cited by 17 publications

(5 citation statements)

References 19 publications

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“…cSHG/DFG and cSFG/DFG are the two most commonly used nonlinear processes for PPLN-based wavelength conversion in the communication band. Besides simultaneous multi-channel wavelength conversion, it is also possible to perform flexible (fixed-in variable-out, variable-in fixed-out, variable-in variable-out) wavelength conversion [31][32][33] and multicasting wavelength conversion [34,35].…”

Section: All-optical Wavelength Conversionsmentioning

confidence: 99%

Potential optoelectronic devices for all-optical signal processing

Huang

2008

Passive Components and Fiber-Based Devices V

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Section: All-optical Wavelength Conversionsmentioning

confidence: 99%

Potential optoelectronic devices for all-optical signal processing

Huang

2008

Passive Components and Fiber-Based Devices V

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“…In the various reports of wavelength conversion schemes based on either cSHG/DFG or cSFG/DFG, continuous wave (CW) and pulsed light have both been employed as either pump or signal waves for nonlinear cascading in the PPLN waveguide [11][12][13][14][15][16]. In order to apply these cascaded processes to practical digital communication systems, the transmitted signals should have the form of pulsed waves rather than CW signalsmaking a proper investigation of the wavelength conversion properties in the pulsed-pump regime especially important.…”

Section: Introductionmentioning

confidence: 99%

Analysis of acceptable spectral windows of quadratic cascaded nonlinear processes in a periodically poled lithium niobate waveguide

et al. 2011

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We report a systematic and comparative study of the acceptance bandwidths of two cascaded quadratic nonlinear processes in periodically poled lithium niobate waveguides, namely cascaded second-harmonic generation and difference-frequency generation (cSHG/DFG) and cascaded sum-frequency generation and difference-frequency generation (cSFG/DFG). We first theoretically and experimentally study the acceptance bandwidths of both the individual second-harmonic generation (SHG) and sum-frequency generation (SFG) processes in the continuous wave (CW) and pulsed-pump regimes. Our results show that the SHG bandwidth is approximately half that of the SFG process in the CW regime, whereas the SHG acceptance bandwidth can approach the CW SFG bandwidth limit when pulsed-pump is used. As a consequence we conclude that the tuning bandwidths of both cascaded processes should be similar in the pulsed pump regime once the pump pulse bandwidths approach that of SFG (i.e. the cSHG/DFG bandwidth is not limited by the CW SHG bandwidth). We confirm that this is the case experimentally.

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“…Mainly, we distinguish between materials relying on ultra-fast parametric nonlinear processes as e.g. exploited in nonlinear fibers [4] [5] , holey fibers [6] [7] , or periodically poled LiNbO 3 materials [8] [9] , and non-parametric nonlinear material processes as e.g. found in semiconductor materials such as lasers [10] [11] , electroabsorption modulators(EAM) [12] [13] , or semiconductor optical amplifiers (SOAs) [ [20] .…”

Section: Introductionmentioning

confidence: 99%

All-optical wavelength conversion based on cascaded effect of cross-gain modulation and cross-phase modulation in SOAs

Huang

Weng

et al. 2007

SPIE Proceedings

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All-optical wavelength conversion plays a major role in providing the wavelength flexibility in optical communication networks. All-optical wavelength converters (AOWCs) based on cross-gain modulation (XGM) and cross-phase modulation (XPM) in semiconductor optical amplifiers (SOAs) have attracted considerable research interest. In this paper, we propose a novel scheme for cascaded wavelength conversion based on cross-gain modulation and cross-phase modulation in SOAs. The wavelength conversion operation in the proposed scheme includes two stages, that is, XGM in the first stage followed by the stage of XPM, and thus is expected to have a high ER and a large input power dynamic range simultaneously.

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Flexible all-optical wavelength conversions of 1.57-ps pulses exploiting cascaded sum- and difference frequency generation (cSFG/DFG) in a PPLN waveguide

Cited by 17 publications

References 19 publications

Potential optoelectronic devices for all-optical signal processing

Potential optoelectronic devices for all-optical signal processing

Analysis of acceptable spectral windows of quadratic cascaded nonlinear processes in a periodically poled lithium niobate waveguide

All-optical wavelength conversion based on cascaded effect of cross-gain modulation and cross-phase modulation in SOAs

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