Ultrahigh-efficiency apodized grating coupler using fully etched photonic crystals

Ding, Yunhong; Ou, Haiyan; Peucheret, Christophe

doi:10.1364/ol.38.002732

Cited by 153 publications

(103 citation statements)

References 14 publications

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“…Moreover, the CE of such uniform shallowly etched grating couplers is limited not only by power leakage to the substrate, but also by the intrinsic mode mismatch between the gratings and SSMFs. For applications where only fully etched silicon waveguides are present on a photonic-integrated circuit, such as multimode multiplexers [9] or multicore fiber couplers [10], fully etched grating couplers are preferred [11][12][13][14][15][16] in order to simplify the fabrication process. Table 1 summarizes the performances of state-of-theart fully etched and shallowly etched grating couplers that have been demonstrated over the past few years.…”

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confidence: 99%

Fully etched apodized grating coupler on the SOI platform with −058 dB coupling efficiency

et al. 2014

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Fully etched apodized grating coupler on the SOI platform with −058 dB coupling efficiency

et al. 2014

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“…1(d). Apodized grating couplers [10] are used to couple light in and out of the MRR and the in-to-through total insertion loss of the MRR away from resonance is 9 dB. The diameter of the MRR is 120 µm, which corresponds to a measured free-spectral range (FSR) of ̴ 100 GHz.…”

Section: Static Characterization Of the Dfb Laser And Mrr Structurementioning

confidence: 99%

Directly Modulated and ER Enhanced Hybrid III-V/SOI DFB Laser Operating up to 20 Gb/s for Extended Reach Applications in PONs

Cristofori

Ros

Chaibi

et al. 2017

Optical Fiber Communication Conference

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“…The size of our pulse shaper is about 4 mm 2 . We use fully etched apodized grating couplers [26] for the coupling between fiber and chip. There are five steps in the fabrication.…”

Section: Vol 24 No 21 | 17 Oct 2016 | Optics Express 24393mentioning

confidence: 99%

Photonic arbitrary waveform generator based on Taylor synthesis method

Liao¹,

Ding²,

Dong³

et al. 2016

Opt. Express

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Arbitrary waveform generation has been widely used in optical communication, radar system and many other applications. We propose and experimentally demonstrate a silicon-on-insulator (SOI) on chip optical arbitrary waveform generator, which is based on Taylor synthesis method. In our scheme, a Gaussian pulse is launched to some cascaded microrings to obtain first-, second-and third-order differentiations. By controlling amplitude and phase of the initial pulse and successive differentiations, we can realize an arbitrary waveform generator according to Taylor expansion. We obtain several typical waveforms such as square waveform, triangular waveform, flat-top waveform, sawtooth waveform, Gaussian waveform and so on. Unlike other schemes based on Fourier synthesis or frequency-to-time mapping, our scheme is based on Taylor synthesis method. Our scheme does not require any spectral disperser or large dispersion, which are difficult to fabricate on chip. Our scheme is compact and capable for integration with electronics.

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Ultrahigh-efficiency apodized grating coupler using fully etched photonic crystals

Cited by 153 publications

References 14 publications

Fully etched apodized grating coupler on the SOI platform with −058 dB coupling efficiency

Fully etched apodized grating coupler on the SOI platform with −058 dB coupling efficiency

Directly Modulated and ER Enhanced Hybrid III-V/SOI DFB Laser Operating up to 20 Gb/s for Extended Reach Applications in PONs

Photonic arbitrary waveform generator based on Taylor synthesis method

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