Wavelength Division Multiplexing/Demultiplexing (WDM) Using Diffraction Gratings

Laude, J. P.; Lerner, Jeremy M.

doi:10.1117/12.944807

Cited by 20 publications

(5 citation statements)

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“…Diffraction grating is a dispersion element widely applied in optical systems, and its main applications include spectrometers [15], wavelength division multiplexing (WDM) [16], and external-cavity lasers [17]. As diffraction grating is a key component in optical systems, researchers are devoted to developing tunable diffraction gratings.…”

Section: Introductionmentioning

confidence: 99%

Diffraction and Polarization Properties of Electrically–Tunable Nematic Liquid Crystal Grating

Huang

Kang

et al. 2020

Polymers

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This work demonstrates an electrically-tunable nematic liquid crystal (NLC) diffraction grating with a periodic electrode structure, and discusses the polarization properties of its diffraction. The efficiency of the first-order diffraction can be gradually controlled by applying external electric fields cross the NLC, and the maximum diffraction efficiency of the first-order diffraction that can be obtained is around 12.5% under the applied voltage of 5.0 V. In addition to the applied electric field, the efficiency of the first-order diffraction can also vary by changing the polarized state of the incident beam. Antisymmetric polarization states with symmetrical intensities in the diffractions corresponding to the +1 and −1 order diffraction signals are also demonstrated.

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Section: Introductionmentioning

confidence: 99%

Diffraction and Polarization Properties of Electrically–Tunable Nematic Liquid Crystal Grating

Huang

Kang

et al. 2020

Polymers

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“…It can be a reflection grating, diffraction grating, ring resonator, or arrayed waveguide grating (AWG). [53][54][55][56] Most semiconductor single-wavelength lasers are made of reflection gratings, such as distributed feedback lasers (DFB) with uniform grating, quarter wavelength shift grating, chirp grating, and multiple phase shift grating.…”

Section: Technologies and Challengesmentioning

confidence: 99%

Wavelength division multiplexing laser arrays for applications in optical networking and sensing: Overview and perspectives

Lee

Pukhrambam

2018

Jpn. J. Appl. Phys.

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Wavelength division multiplexing (WDM) laser arrays (WLAs) can provide compact light sources for optical telecommunications, interconnections, switching, and optical sensing applications. The technologies to realize WLAs are reviewed and discussed with focus on wavelength registration and manufacturing complexity. WLAs can be realized in monolithic or hybrid integration approaches. The issues and challenges for applying monolithic or hybrid integration to realize WLAs will be discussed. The laser arrays based on hybrid laser structure and the silicon photonics foundry fabrication model will be highlighted.

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“…By choosing the correct glasses the device can be passively thermally compensated. 13 The advantages of the free space diffraction grating demultiplexer are the low insertion loss that comes from the parallel paths for each channel; the low cross-talk that results from the low scatter level at the grating and the accurate channel centering that is achieved by fine tuning the optical alignment. Typical device parameters for a 42 channel device are shown in Table 1.…”

Section: Free Space Diffraction Gratingsmentioning

confidence: 99%

Technology Trends in Dense WDM Demultiplexers

Nyman

Farries

2001

Optical Fiber Technology

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Wavelength Division Multiplexing/Demultiplexing (WDM) Using Diffraction Gratings

Cited by 20 publications

References 0 publications

Diffraction and Polarization Properties of Electrically–Tunable Nematic Liquid Crystal Grating

Diffraction and Polarization Properties of Electrically–Tunable Nematic Liquid Crystal Grating

Wavelength division multiplexing laser arrays for applications in optical networking and sensing: Overview and perspectives

Technology Trends in Dense WDM Demultiplexers

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