Erbium-doped spiral amplifiers with 20 dB of net gain on silicon

Vázquez-Córdova, Sergio Andrés; Dijkstra, M.; Bernhardi, E.H.; Ay, F.; Wörhoff, Kerstin; Herek, Jennifer Lynn; García-Blanco, Sonia M.; Pollnau, Markus

doi:10.1364/oe.22.025993

Cited by 89 publications

(77 citation statements)

References 30 publications

(57 reference statements)

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“…To increase the absorption cross section, ytterbium ions (Yb 3+ ) are usually codoped as a sensitizer. Er 3+ -Yb 3+ codoped waveguide amplifiers (EYCDWAs) are therefore expected to be an attractive high-gain medium material for optical amplification15161718. With the development of optical communication, optical waveguide amplifiers with high gain are required urgently.…”

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confidence: 99%

High-gain polymer optical waveguide amplifiers based on core-shell NaYF4/NaLuF4: Yb3+, Er3+ NPs-PMMA covalent-linking nanocomposites

Zhang

Wang

et al. 2016

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Waveguide amplifiers have always been significant key components for optical communication. Unfortunately, the low concentration of rare earth ions doped in the host material and the inadequate optimization of the waveguide structure have been the common bottleneck limitations. Here, a novel material, NaYF4/NaLuF4: 20% Yb3+, 2% Er3+ nanoparticle-Polymeric Methyl Methacrylate covalent-linking nanocomposite, was synthesized. The concentrations of Er3+ and Yb3+ doping increased an order of magnitude. Under a 980 nm laser excitation, highly efficient emission at 1.53 μm was obtained. The characteristic parameters of the single mode waveguide were carefully designed and optimized by using a finite difference method. A formulized iteration method is presented for solving the rate equations and the propagation equations of the EYCDWA, and both the steady state behavior and the gain were numerically simulated. The optimal Er3+ and Yb3+ concentrations are 2.8 × 1026 m−3 and 2.8 × 1027 m−3, and the optimal waveguide length is 1.3 cm. Both theoretical and experimental results indicated that, for an input signal power of 0.1 mW and a pump power of 400 mW, a net gain of 15.1 dB at 1530 nm is demonstrated. This result is the highest gain ever reported in polymer-based waveguide amplifiers doped with inorganic Er3+-Yb3+ codoped nanocrystals.

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confidence: 99%

High-gain polymer optical waveguide amplifiers based on core-shell NaYF4/NaLuF4: Yb3+, Er3+ NPs-PMMA covalent-linking nanocomposites

Zhang

Wang

et al. 2016

Sci Rep

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“…Demonstrated applications include an Al 2 O 3 :Er 3+ waveguide amplifier with 170 GBit/s transmission [23], an Al 2 O 3 :Er 3+ spiral-shaped waveguide amplifier with 20 dB total internal net gain [112], a zero-loss power splitter [113], as well as monolithic integration of Al 2 O 3 :Er 3+ amplifiers with silicon-on-insulator waveguides [114], see Fig. 6, and Al 2 O 3 :Nd 3+ amplifiers with polymer optical backplanes [115].…”

Section: B Spectroscopy and Gainmentioning

confidence: 99%

Rare-Earth-Ion-Doped Channel Waveguide Lasers on Silicon

Pollnau

2015

IEEE J. Select. Topics Quantum Electron.

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This paper reviews the recent developments in rareearth-ion-doped planar and channel waveguide lasers. Optical gain in rare-earth-ion-doped waveguides has been increased by two orders of magnitude to ~1000 dB/cm and waveguide lasers with extremely high slope efficiencies and output powers exceeding the Watt level have been demonstrated. Of particular interest in integrated optics is the recent integration of rareearth-ion-doped channel waveguide lasers in amorphous materials directly deposited on a silicon substrate. Remarkable performance with respect to slope efficiency, output power, and laser linewidth has been achieved.

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“…The great success of erbium-doped fiber amplifiers near 1.5 µm has triggered significant research on host materials and fabrication techniques for erbium-doped waveguide amplifiers (EDWA) [1][2][3][4][5]. Optical losses have limited the widespread application of integrated-optical circuit chips.…”

Section: Introductionmentioning

confidence: 99%

High optical gain in erbium-doped potassium double tungstate channel waveguide amplifiers

et al. 2018

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Abstract:We report on the optical-gain properties of channel waveguides patterned into lattice-matched KGd x Lu y Er 1-x-y (WO 4 ) 2 layers grown onto undoped KY(WO 4 ) 2 substrates by liquid phase epitaxy. A systematic investigation of gain is performed for five different Er 3+ concentrations in the range of 0.75 to 10at.% and different pump powers and signal wavelengths. In pump-probe-beam experiments, relative internal gain, i.e., signal enhancement minus absorption loss of light propagating in the channel waveguide, is experimentally demonstrated, with a maximum value of 12 ± 5 dB/cm for signals at the peakemission wavelength of 1534.7 nm.

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Erbium-doped spiral amplifiers with 20 dB of net gain on silicon

Cited by 89 publications

References 30 publications

High-gain polymer optical waveguide amplifiers based on core-shell NaYF4/NaLuF4: Yb3+, Er3+ NPs-PMMA covalent-linking nanocomposites

High-gain polymer optical waveguide amplifiers based on core-shell NaYF4/NaLuF4: Yb3+, Er3+ NPs-PMMA covalent-linking nanocomposites

Rare-Earth-Ion-Doped Channel Waveguide Lasers on Silicon

High optical gain in erbium-doped potassium double tungstate channel waveguide amplifiers

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