External Cavity Laser Diodes

SemiNex Corporation's range of External Cavity Lasers (ECLs) are precision laser solutions offering narrow linewidth and high power performance for a range of demanding applications:-

 

• Optical Frequency Domain Reflectometry (OFDR)
• Optical Coherence Tomography (OCT)
• Frequency Modulated Continuous Wave (FMCW) LiDAR
• High-resolution spectroscopy
• Optical metrology and interferometry

 

ECLs are a cost effective coherent laser source supplied in an industry standard butterfly package with TEC, thermistor and monitor photodiode. Designed to deliver exceptional optical performance for high-precision applications, these lasers are ultra-stable narrow-linewidth sources with high output power which are enabling state-of-the-art measurement and imaging systems.

 

SemiNex's 10mW ECLs feature their Reflective Semiconducor Amplifier (RSOA) to create a lasing cavity with an external grating, whilst their high power ECLs also feature a Semiconductor Optical Amplifier (SOA) for in-line amplification to achieve an impressive 200mW output. The use of an external grating for wavelength stabilisation results in a substantially longer coherence length than other semiconductor lasers (including DFBs), and a low phase noise. Sub-MHz linewidth and wavelength stability are assured by design, eliminating the need for wavelength lockers and complex feedback control circuits.

 

ECL Butterfly Key Features:

 

• Narrow linewidth: 3 kHz to 15 kHz Lorentzian
• High output power: > 200 mW
• Central wavelengths: C-band and O-band available
• Ultra-low noise: Ultra-low Relative Intensity Noise (RIN) and excellent Side Mode Suppression Ratio (SMSR)
• Superior stability: Excellent wavelength stability with low power dissipation
• Integrated platform: SemiNex ROSA and SOA chips inside
• Flexible operation: Single-frequency or wavelength-swept configurations

 

Customised configurations and wavelength options are available so please contact APT to discuss specifications, lead times, and integration support.

 

	Part Number	Wavelength	Linewidth	Output Power
Butterfly Package External Cavity Laser Diodes
	14BF-312	1310nm	15kHz	10mW
	14BF-312-200	1310nm	15kHz	200mW
	14BF-314	1310nm	3kHz	10mW
	14BF-314-200	1310nm	3kHz	200mW
	14BF-310	1550nm	15kHz	10mW
	14BF-310-200	1550nm	15kHz	200mW
	14BF-313	1550nm	3kHz	10mW
	14BF-313-200	1550nm	3kHz	200mW
	Product Brief: SemiNex's ECL component and wavelength-swept module range

 

To meet the demands of next-generation sensing and measurement systems, SemiNex offers fully-integrated Wavelength-Swept ECL Modules. These module’s architecture simplifies system development by providing all key components, including power, temperature, and tuning control, within a single compact unit. Host communication and TTL synchronisation enable seamless operation with external systems.

 

• ECL laser with low-noise driver and integrated sweep control
• Built-in TEC controller, tuning driver, and CMU electronics
• Linear wavelength sweep with 99.99999% linearity
• Sweep ranges: 10 GHz (0.8 nm) and 600 GHz (4.8 nm) at 1550 nm
• Available in C-band and O-band upon request
• Compact footprint with fast lead time and easy host integration

 

 

	Part Number	Wavelength	Linewidth	Wavelength Sweep Range	Wavelength Sweep Rate	Output Power
Wavelength-Swept External Cavity Laser Modules
	ECL-310-S1	1550nm	15kHz	10GHz	300kHz	200mW
	ECL-310-S3	1550nm	100kHz	600GHz	20kHz	100mW
	Application Note: Wavelength-swept external cavity laser module
	Product Brief: SemiNex's ECL component and wavelength-swept module range

 

For more information on SemiNex's range of external cavity laser products and to discuss your application, please Contact Us.