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Title: Cross-phase-modulation-induced temporal reflection and waveguiding of optical pulses

Abstract

Cross-phase modulation (XPM) is commonly viewed as a nonlinear process that chirps a probe pulse and modifies its spectrum when an intense pump pulse overlaps with it. Here we present an alternative view of XPM in which the pump pulse creates a moving refractive-index boundary that splits the probe pulse into two parts with distinct optical spectra through temporal reflection and refraction inside a dispersive nonlinear medium. The probe even undergoes a temporal version of total internal reflection for sufficiently intense pump pulses, a phenomenon that can be exploited for making temporal waveguides. In this paper we investigate the practical conditions under which XPM can be exploited for temporal reflection and waveguiding. The width and shape of pump pulses as well as the nature of medium dispersion at the pump and probe wavelength (normal versus anomalous) play important roles. A super-Gaussian shape of pump pulses is particularly helpful because of its relatively sharp edges. When the pump wavelength lies in the anomalous-dispersion regime, the pump pulse can form a soliton,whose unique properties can be exploited to advantage. We also discuss a potential application of XPM-induced temporal waveguides for compensating timing jitter.

Authors:
 [1];  [2];  [1]
  1. Univ. of Rochester, NY (United States). Lab. for Laser Energetics and Inst. of Optics
  2. Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Publication Date:
Research Org.:
Univ. of Rochester, NY (United States). Lab. for Laser Energetics
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); Univ. of Rochester, NY (United States); New York State Energy Research and Development Authority (NYSERDA); National Science Foundation (NSF); New York State Energy Research and Development Authority
OSTI Identifier:
1423130
Alternate Identifier(s):
OSTI ID: 1418729
Report Number(s):
2017-219; 1375
Journal ID: ISSN 0740-3224; JOBPDE; 2017-219, 2332, 1375; TRN: US1801714
Grant/Contract Number:  
NA0001944; ECCS-1505636; ECCS- 1505636
Resource Type:
Accepted Manuscript
Journal Name:
Journal of the Optical Society of America. Part B, Optical Physics
Additional Journal Information:
Journal Volume: 35; Journal Issue: 2; Journal ID: ISSN 0740-3224
Publisher:
Optical Society of America (OSA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; pulse propagation and temporal solitons; ultrafast nonlinear optics

Citation Formats

Plansinis, Brent W., Donaldson, William R., and Agrawal, Govind P. Cross-phase-modulation-induced temporal reflection and waveguiding of optical pulses. United States: N. p., 2018. Web. doi:10.1364/JOSAB.35.000436.
Plansinis, Brent W., Donaldson, William R., & Agrawal, Govind P. Cross-phase-modulation-induced temporal reflection and waveguiding of optical pulses. United States. doi:10.1364/JOSAB.35.000436.
Plansinis, Brent W., Donaldson, William R., and Agrawal, Govind P. Wed . "Cross-phase-modulation-induced temporal reflection and waveguiding of optical pulses". United States. doi:10.1364/JOSAB.35.000436. https://www.osti.gov/servlets/purl/1423130.
@article{osti_1423130,
title = {Cross-phase-modulation-induced temporal reflection and waveguiding of optical pulses},
author = {Plansinis, Brent W. and Donaldson, William R. and Agrawal, Govind P.},
abstractNote = {Cross-phase modulation (XPM) is commonly viewed as a nonlinear process that chirps a probe pulse and modifies its spectrum when an intense pump pulse overlaps with it. Here we present an alternative view of XPM in which the pump pulse creates a moving refractive-index boundary that splits the probe pulse into two parts with distinct optical spectra through temporal reflection and refraction inside a dispersive nonlinear medium. The probe even undergoes a temporal version of total internal reflection for sufficiently intense pump pulses, a phenomenon that can be exploited for making temporal waveguides. In this paper we investigate the practical conditions under which XPM can be exploited for temporal reflection and waveguiding. The width and shape of pump pulses as well as the nature of medium dispersion at the pump and probe wavelength (normal versus anomalous) play important roles. A super-Gaussian shape of pump pulses is particularly helpful because of its relatively sharp edges. When the pump wavelength lies in the anomalous-dispersion regime, the pump pulse can form a soliton,whose unique properties can be exploited to advantage. We also discuss a potential application of XPM-induced temporal waveguides for compensating timing jitter.},
doi = {10.1364/JOSAB.35.000436},
journal = {Journal of the Optical Society of America. Part B, Optical Physics},
number = 2,
volume = 35,
place = {United States},
year = {2018},
month = {1}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

Figures / Tables:

Fig. 1 Fig. 1: Temporal (left column) and spectral (right column) evolutions over a 3-km-long fiber for the probe [(a),(b)] and pump [(c),(d)] pulse. The pump pulse has a super-Gaussian shape and is propagating at the zerodispersion wavelength of the fiber. See text for other parameter values. The time axis is measuredmore » in a reference frame that is moving with the pump pulse such that t − T − z/vg1« less

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.