Photonics | Top 10 Downloaded Papers of 2020

• Dual-Core Fiber-Based Interferometer for Detection of Gas Refractive Index
  Haijin Chen et al.
  Photonics 2020, 7(4), 111; doi:10.3390/photonics7040111
  Available online: https://www.mdpi.com/2304-6732/7/4/111
• A Refractive Index Sensitive Liquid Level Monitoring Sensor Based on Multimode Interference
  Fan Zhang et al.
  Photonics 2020, 7(4), 89; doi:10.3390/photonics7040089
  Available online: http://www.mdpi.com/2304-6732/7/4/89 
• Development of an Interference Filter-Stabilized External-Cavity Diode Laser for Space Applications
  Linbo Zhang et al.
  Photonics 2020, 7(1), 12; doi:10.3390/photonics7010012
  Available online: https://www.mdpi.com/2304-6732/7/1/12
• Equivalent Circuit Model of High-Performance VCSELs
  Marwan Bou Sanayeh et al.
  Photonics 2020, 7(1), 13; doi:10.3390/photonics7010013
  Available online: https://www.mdpi.com/2304-6732/7/1/13
• The Interband Cascade Laser
  Jerry R. Meyer et al.
  Photonics 2020, 7(3), 75; doi:10.3390/photonics7030075
  Available online: https://www.mdpi.com/2304-6732/7/3/75
• Wide-Angle Beam-Steering Using an Optical Phased Array with Non-Uniform-Width Waveguide Radiators
  Youngin Kim et al.
  Photonics 2020, 7(3), 56; doi:10.3390/photonics7030056
  Available online: https://www.mdpi.com/2304-6732/7/3/56
• Nonreciprocal Wavefront Manipulation in Synthetically Moving Metagratings
  Younes Ra’di et al.
  Photonics 2020, 7(2), 28; doi:10.3390/photonics7020028
  Available online: http://www.mdpi.com/2304-6732/7/2/28
• Ultra-Wideband WDM Optical Network Optimization
  Stanisław Kozdrowski et al.
  Photonics 2020, 7(1), 16; doi:10.3390/photonics7010016
  Available online: http://www.mdpi.com/2304-6732/7/1/16
• Raman-Laser System for Absolute Gravimeter Based On ⁸⁷Rb Atom Interferometer
  Yang Zhao et al.
  Photonics 2020, 7(2), 32; doi:10.3390/photonics7020032
  Available online: http://www.mdpi.com/2304-6732/7/2/32
• Ultrahigh-Resolution Optical Vector Analyzers
  Oleg Morozov et al.
  Photonics 2020, 7(1), 14; doi:10.3390/photonics7010014
  Available online: https://www.mdpi.com/2304-6732/7/1/14 

(Data as of 25 June 2021)