- Multi-channel light source with high power and highly flattened output
  - Thin film for optical applications, light-emitting structure using the same and
     the fabrication method thereof
  - Top-pumped waveguide amplifier
  - Top-pumped optical device
  - Array-type optical device having enhanced pump efficiency
  - Gain-providing optical power equalizer

  - Optical fiber amplifier with monitoring and control for gain flatness
  - Method for monitoring WDM amplified systems using counter-propagating OTDR pulses
  - Optical Power Meter
  - Thin film for optical applications, Light-Emitting Structure using the same and
     the fabrication method there of
  - Multi-channel light source with high power and highly flattened output
  - Top-pumped optical device
  - Arrayed optical device having enhanced pump efficiency
  - Top-pumped optical device and its array
  - Gain-providing optical power equalizer
  - Multi-channel light source with high power and highly flattened output
  - Gain-providing optical power equalizer
  - Fiber Raman amplifier
  - Method for compensating polarization mode dispersion

  - Pending and to be granted