Reducing pulse distortion in fast-light pulse propagation through an erbium-doped fiber amplifier

Shin, Heedeuk; Schweinsberg, Aaron; Gehring, George M.; Schwertz, Katie; Chang, Hye Jeong; Boyd, Robert W.; Park, Q-Han; Gauthier, Daniel J.

doi:10.1364/ol.32.000906

Cited by 35 publications

(24 citation statements)

References 16 publications

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“…Larger delays/advancements have been obtained for ultra-highly EDFs [10,11,12]. By using the same experimental system, fast light pulse propagation has been studied in more detail in [13,14,15]. Furthermore, a change from superluminal to subluminal propagation solely based upon increasing the beat frequency between the weak and the control field sharing a common atomic transition has been reported [16,17].…”

Section: Introductionmentioning

confidence: 94%

Group velocity coupling and synchronization-like phenomenon of two light beams based on coherent population oscillations

Melle

Calderón

Moreno

2010

J. Phys. B: At. Mol. Opt. Phys.

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Abstract. We report on the control of the slow and fast light propagation velocity of two light beams (at 1550 nm and 980 nm) through an erbium doped fiber amplifier by means of coherent population oscillations. We modulate the amplitude of both beams with the same frequency so that the relative phase between both modulations allows us to control their group velocities. The same group velocity, in absolute value, is achieved when beams are modulated in phase or phase opposition. The experimental results are explained by a rate equation model. Confidential: not for distribution.

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Section: Introductionmentioning

confidence: 94%

Group velocity coupling and synchronization-like phenomenon of two light beams based on coherent population oscillations

Melle

Calderón

Moreno

2010

J. Phys. B: At. Mol. Opt. Phys.

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“…To engineer dispersion characteristics in optical fibers, various physical phenomena have been utilized over the last few years, such as stimulated Brillouin [42,44] and stimulated Raman [46] scatterings, narrow-band optical parametric amplification [40] and coherent population oscillation [41,59]. However, it turns out that stimulated Brillouin scattering in fibers is the most efficient nonlinear mechanism for the generation of slow light due to its high intrinsic gain and its large flexibility for spectral tailoring at any operating wavelength.…”

Section: Laser and Photonics Reviewsmentioning

confidence: 99%

Tunable photonic delay lines in optical fibers

Chin

Thévenaz

2012

Laser & Photonics Reviews

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A comprehensive overview is presented about optical fiber-based tunable photonic delay lines, which have been steadily developed over the last decade for the realization of all-optically controlled timing functions. The most widely used techniques, such as those based on slow & fast light and wavelength conversion associated to dispersion, are described and their physical limitations are discussed in terms of the maximal achievable delay, the associated signal distortion and signal bandwidth. Besides, an entirely different approach for all-optical signal delaying is introduced. This technique is based on movable grating reflectors dynamically generated in highly birefringent optical fibers. This type of delay line has experimentally demonstrated large tunable delaying with a moderate signal distortion for high capacity optical data streams and even for wideband analog signals.

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“…Slow light propagation was also demonstrated in Er-doped fibers [107,108] using coherent population oscillations, but the bandwidth, related to the relaxation time in the Er ion was only of the order of kilohertz. Other methods included using the parametric gain [109] in the optical fiber as well as taking advantage of EIT in hollow optical fibers.…”

Section: Slow Light In Optical Fibersmentioning

confidence: 99%

Single-Photon Nonlinear Optics in Integrated Hollow-Core Waveguides

Schmidt¹,

Hawkins²,

Wu³

et al. 2010

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The overarching goal of the project was to develop a brand new type of miniaturized rubidium (Rb) cells in integrated ARROW waveguides and to demonstrate their use for quantum interference effects such as EIT, slow light, and low-level quantum-optical devices.The project was extraordinarily successful. We successfully demonstrated the first fully self-contained chip-scale atomic spectroscopy chip along with world record slow light on a photonic chip. These results have been disseminated in numerous publications and invited conference presentations (see below), most notably two seminal Nature Photonics articles and an invited review for Laser and Photonics Reviews. Our new technology is attracting growing interest from researchers and media across the globe and has large potential for future expansion and improvement.Two student theses were completed in direct connection with this project. Both are attached here as appendices to provide further details on the methods and results developed under this grant:(a) PhD thesis, Bin Wu (UCSC), Executive summary: A novel integrated optical device based on antiresonant reflecting optical waveguide (ARROW) for atomic spectroscopy was proposed and demonstrated. A new type of hollow-core waveguide called self-aligned pedestal (SAP) waveguides with vastly improved performance developed. The first linear and nonlinear Rb spectroscopy on a photonic chip was demonstrated. The optical density is comparable with the commercially available Rb cell at higher temperatures. Electromagnetically induced transparency (EIT) and the first slow light experiment in atomic vapors on chip are reported. The group velocity of the light pulse was slowed down by a world-record factor of 1,200.(b) M.S. thesis, Don Conkey (BYU), Executive summary: The integration of atomic vapor cells with antiresonant reflecting optical waveguides (ARROWs) fabricated on silicon chips is presented. To demonstrate the effectiveness of the ARROW as a vapor cell, a platform consisting of solid and hollow core waveguides integrated with rubidium vapor cells was developed. A variety of sealing techniques were tested for vapor cell integration with the ARROW chip and for compatibility with rubidium. Liquefied rubidium was transferred from a bulk supply into an on-chip vapor cell in an anaerobic atmosphere glovebox. Optical absorption measurements confirmed the presence of rubidium vapor within the hollow waveguide platform. Further analysis of the measurements revealed high optical density of rubidium atoms in the hollow core. Saturated absorption spectroscopy measurements verified that the on-chip integrated vapor cell was suitable for common precision spectroscopy applications. People involved in project: [5] H. Schmidt, "Atomic spectroscopy on a chip using hollow-core waveguides", Invited Talk [12] H. Schmidt, "Integrated semiconductor chips for EIT", Invited talk, CLEO/QELS conference, Baltimore, MD, May 6-11, 2007.[ In the following pages, we summarize the work carried out in the areas of hollow-core waveguide design,...

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Reducing pulse distortion in fast-light pulse propagation through an erbium-doped fiber amplifier

Cited by 35 publications

References 16 publications

Group velocity coupling and synchronization-like phenomenon of two light beams based on coherent population oscillations

Group velocity coupling and synchronization-like phenomenon of two light beams based on coherent population oscillations

Tunable photonic delay lines in optical fibers

Single-Photon Nonlinear Optics in Integrated Hollow-Core Waveguides

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