Optical Communication – Laser Source
Tunable Laser Source
In the rapidly advancing fields of optical communication, photonics research, and laser-based testing, compactness, precision, and stability are paramount. The CoBrite DX1 Tunable Laser Source is designed to meet these needs, offering a high-performance, ultra-compact tunable light source with flexible configurations for C, L, and C+L bands.
Understanding Tunable Laser Source
The CoBrite DX1 is engineered for optical engineers, researchers, and telecom professionals who demand reliable performance without compromising space efficiency. Whether you’re testing Dense Wavelength Division Multiplexing (DWDM) channels, conducting coherent modulation research, or building automated optical setups, the DX1 delivers the right mix of power, tunability, and usability.
Technical Specifications
| Parameter | N-Type | S-Type | G-Type |
| Line Width | < 25 kHz | ~80 kHz | < 25 kHz |
| Output Power (C-band) | 10 – 16 dBm | Up to 17.8 dBm | Fixed or variable |
| Output Power (L-band) | 9 – 14.5 dBm | – | – |
| Frequency Range | C / L / C+L bands | C / C+L bands | C / L bands |
| Tuning Resolution | 1 MHz | 10 MHz | 10 MHz |
| Control Interface | USB + PC GUI + SCPI | USB + PC GUI + SCPI | USB + PC GUI |
| Set-and-Forget Memory | Yes | Yes | Yes |
| Power Supply | 100–240 VAC → 12 VDC / 10W | Same | Same |
| Dimensions | 32 x 82 x 150 mm | Same | Same |
| Weight | 0.5 kg | 0.5 kg | 0.5 kg |
| Operating Temp. Range | 0 to 40°C | 0 to 40°C | 0 to 40°C |
Key Features and Advantages
Engineered for Compact Versatility
• Multiple Laser Types – Choose from N-Type, S-Type, or G-Type for tailored applications from coherent transmission to cost-effective telecom testing and general-purpose optical experiments.
• Wide Frequency Tuning – Covers C-band, L-band, and optional C+L with fine resolution (1 MHz for N-Type, 10 MHz for S/G-Type) for wavelength-selective testing and advanced modulation.
• Ultra-Compact Design – At just 32 × 82 × 150 mm and 0.5 kg, the DX1 is stackable, portable, and easy to integrate into multi-channel setups or confined optical benches.
• Precise Power Control – Adjustable output (C-band: 10–16 dBm, up to 17.8 dBm on S-Type; L-band: 9–14.5 dBm) ensures consistent performance for lab, R&D, and production environments.
• USB Control & PC GUI – Intuitive software interface plus SCPI command support for seamless automation with Python, LabVIEW, MATLAB, and more.
• Set-and-Forget Memory – Automatically stores last operational state for fast repeat testing with minimal setup.
Why It Delivers More
Application Flexibility
• N-Type: <25 kHz linewidth, ideal for coherent transmission and interferometry.
• S-Type: ~80 kHz linewidth with higher output power for DWDM and telecom testing.
• G-Type: Balanced option for labs and manufacturing environments.
Compact Yet Powerful
• Smallest tunable laser in its class—only 0.5 kg.
• Stackable form factor for multi-channel expansion without rack space limitations.
Precision in Every Wavelength
• Fine-tuning resolution down to 1 MHz.
• Stable optical power for repeatable, high-quality measurements.
Seamless Integration
• Plug-and-play USB connectivity with modern GUI.
• Full automation capability through SCPI-style commands.
Applications Across Industries
DWDM Testing in Telecommunications
The CoBrite DX1 is a preferred solution for DWDM transport layer validation, offering:
- High channel resolution with narrow linewidth
- Stable power output for precise signal injection
- Cost-efficient testing with the S-type variant
Coherent Optical Transmission
In high-speed transmission systems using QPSK, 16-QAM, or 64-QAM, the N-Type DX1 functions as:
- A stable transmitter source
- A local oscillator for coherent receivers
- A signal reference for IQ modulator tests
Optical Research & Development
From quantum photonics to interferometric sensing, researchers benefit from:
- Broad tunability for wavelength-specific experiments
- Remote automation for high-throughput studies
- Compact design for shared bench space or mobile labs
Optical Component Characterisation
The DX1 enables testing of:
- Modulators, filters, isolators, and amplifiers
- Waveguides and fibre components
- Integrated photonics chips
Its stability and accurate control are crucial for component validation.
Multi-Purpose Lab Source
Educational institutions and prototyping labs use the G-Type DX1 as a universal laser tool for:
- General optics experiments
- Wavelength sweep demonstrations
- Alignment procedures
Why Choose United Spectrum Instruments?
United Spectrum Instruments is the official distributor for ID Photonics GmbH’s product – CoBrite DX1 in India, offering comprehensive support, application consultation, and technical integration for your test labs, networks, and R&D setups. Backed by global photonics expertise and local engineering support, we help clients deploy and optimise advanced laser solutions tailored to their unique requirements.
FAQs
What makes the CoBrite DX1 ideal for coherent transmission?
The DX1 N-type offers a <25 kHz line width and highly stable output—perfect for use in coherent optical systems requiring phase stability for modulation schemes like QPSK or QAM.
Can I automate the DX1 for use in a test setup?
Yes. The DX1 supports SCPI-style command integration, enabling scripting and automation via LabVIEW, Python, or MATLAB.
Does the DX1 remember its previous state after power-off?
Yes, it features a set-and-forget memory, retaining frequency, power, and operational state for consistent reuse.
Can I use multiple DX1 units in one setup?
Absolutely. Its compact design supports stacking multiple DX1s side-by-side for multi-channel systems, all controllable via a single PC.
How does the DX1 compare to the CoBrite DX?
The CoBrite DX1 is ultra-compact and USB-controlled with one laser port, ideal for lab use. The CoBrite DX is rack-mounted, offers up to 4 ports, and is better suited for telecom testbeds requiring multi-channel outputs and integrated GUI or web control.
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FAQs
What makes the CoBrite DX1 ideal for coherent transmission?
The DX1 N-type offers a <25 kHz line width and highly stable output—perfect for use in coherent optical systems requiring phase stability for modulation schemes like QPSK or QAM.
Can I automate the DX1 for use in a test setup?
Yes. The DX1 supports SCPI-style command integration, enabling scripting and automation via LabVIEW, Python, or MATLAB.
Does the DX1 remember its previous state after power-off?
Yes, it features a set-and-forget memory, retaining frequency, power, and operational state for consistent reuse.
Can I use multiple DX1 units in one setup?
Absolutely. Its compact design supports stacking multiple DX1s side-by-side for multi-channel systems, all controllable via a single PC.
How does the DX1 compare to the CoBrite DX?
The CoBrite DX1 is ultra-compact and USB-controlled with one laser port, ideal for lab use. The CoBrite DX is rack-mounted, offers up to 4 ports, and is better suited for telecom testbeds requiring multi-channel outputs and integrated GUI or web control.

