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1310nm Laser Diode Chips, 2.5 Gbps

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Key Features
  • Uncooled DFB Laser Diode Chips
  • Lasing wavelength 1310nm
  • Designed for 2.5Gbps high speed transmission
  • Typical SMSR ≥ 35dB

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MODEL DL-DFB310055B-025A
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applications
  • Uncooled PON Applications
  • FTTx Networks
ELECTRO-OPTICAL CHARACTERISTICS
  • Center wavelength (typ at 25C): 1310nm
  • Optical output power (typ at 25C): 11mW
  • Forward voltage (typ at 25C): 1.3V
  • Threshold current (typ at 25C): 9mA
  • Slope efficiency (typ): 0.55 W/A
  • Rear Power (typ): >250 uW
  • SMSR (typ): >45dB
  • Temperature dependence of center wavelength (typ): 0.1 nm / deg. C
  • Beam divergence angle (parallel): 25 degrees
  • Beam divergence angle (perpendicular): 35 degrees
  • Modulation bandwidth: >5 GHz
PACKAGING
  • DFB Laser diode die (chip) with coated facets

Product Overview:

DenseLight DL-DFB310055B-025A are uncooled DFB laser diodes operating with an output power of 5mW at 25C at the 1310nm wavelength. These devices are engineered 2.5Gbps transmission rates. They operate over a wide temperature range from -10C to 85C without any need for a Peltier/ TEC cooler or temperature controller.

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