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Reliable High-Performance Photonics
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    • DFB Lasers and Modules
      • 7 pin 10 or 18 mW – AA0701 Series
      • 14 pin 40-80 mW DFB – AA1401 Series
      • Laser driver w/integrated 14 pin DFB – EM650 Series
      • Laser driver w/integrated 7 pin DFB (line width <1MHz) - EM655 Series
      • Laser driver w/integrated 7 pin DFB (line width <4MHz) - EM657 Series
    • Fiber coupled pump lasers
      • 808 nm Cooled Multi-Mode Lasers EM339
      • 976 nm Uncooled Mini-DIL Pump Lasers EM586
      • 9XX Cooled Multi-Mode Lasers EM33X
      • 9XX Cooled Single Mode Pump Lasers AC1405
      • 9XX Cooled Single Mode Pump Lasers AC1409
      • 9XX Uncooled Multi-Mode Lasers EM32X
    • Planar Lightwave Circuits
      • Planar Lightwave Circuit – 81 Series
      • PM Planar Lightwave Circuit – 85 Series
    • Photodetectors
      • Multiple bandwidth option: 6-120 mW – DTXXX Series
      • 6 mW max power handling – EM169
    • Optical Collimators
      • Single/dual fiber collimator – EM590
  • Quality
  • Company
  • Careers
  • News
  • Contact
  • Home
  • Applications
  • Products
    • DFB Lasers and Modules
      • 7 pin 10 or 18 mW – AA0701 Series
      • 14 pin 40-80 mW DFB – AA1401 Series
      • Laser driver w/integrated 14 pin DFB – EM650 Series
      • Laser driver w/integrated 7 pin DFB (line width <1MHz) - EM655 Series
      • Laser driver w/integrated 7 pin DFB (line width <4MHz) - EM657 Series
    • Fiber coupled pump lasers
      • 808 nm Cooled Multi-Mode Lasers EM339
      • 976 nm Uncooled Mini-DIL Pump Lasers EM586
      • 9XX Cooled Multi-Mode Lasers EM33X
      • 9XX Cooled Single Mode Pump Lasers AC1405
      • 9XX Cooled Single Mode Pump Lasers AC1409
      • 9XX Uncooled Multi-Mode Lasers EM32X
    • Planar Lightwave Circuits
      • Planar Lightwave Circuit – 81 Series
      • PM Planar Lightwave Circuit – 85 Series
    • Photodetectors
      • Multiple bandwidth option: 6-120 mW – DTXXX Series
      • 6 mW max power handling – EM169
    • Optical Collimators
      • Single/dual fiber collimator – EM590
  • Quality
  • Company
  • Careers
  • News
  • Contact

Author Archives: EM4

Breaking News

Accelerating Growth: Luminar Sells Photonics Business to Quantum Computing

NewsBy EM4December 15, 2025

We are pleased to announce that our parent company, Luminar Technologies, has entered into an agreement to sell Luminar Semiconductor to @Quantum Computing. The combination will position us to accelerate our growth and capitalize on the growing demand for high-performance photonics solutions while continuing to support our customers and existing programs as usual. Read more…

EM586

976 nm Uncooled Mini-DIL Pump Lasers EM586

Fiber Coupled Pump LasersBy EM4December 11, 2025
  • High power: up to 200 mW
  • Low power dissipation
  • Mini-DIL form factor
  • PM fiber
  • Ruggedized for harsh conditions

DTXXX

DTXXX High Speed Detector Series

PhotodetectorsBy EM4March 25, 2025
  • 3 dB bandwidth options: 5, 10, 22 GHz – More options available by request
  • Power options: 6 to 120 mW (responsivity 0.4 to 0.95 A/W dependent on power opt.)
  • Wavelength range of 1280 to 1620 nm
  • Very low dark current
  • SMF-28, PM, or specialty MFD fiber

EM590 Collimator

EM590 Collimator

Optical CollimatorsBy EM4January 24, 2025
  • High reliability
  • 1 W power handling
  • Low wave front error
  • Single or dual fiber
  • PM and SM fiber options

FA1401 High Power DFB Laser

DFB Lasers and ModulesBy EM4January 24, 2025
  • C-band wavelengths (1545-1565 nm)
  • 120 mW output power
  • Low RIN
  • PM250 fiber
  • Laser welded and hermetically sealed
  • Built-in thermistor and monitor photodiode

EM4 manufacturing

EM4 launches as a subsidiary of a global U.S. based high-technology company

NewsBy EM4March 18, 2024

We’re excited about our road ahead, supporting our existing customers, and developing new generations of products for A&D and other markets.

EM4
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