1230nm DFB Laser
The 1230nm DFB laser (Distributed Feedback) is a semiconductor laser using a distributed feedback structure, with its peak wavelength precisely set in the 1230 nanometer (nm) range. This type of laser is typically designed as fiber-coupled to facilitate integration with fiber optic systems, providing stable and high-quality laser output.
Specification Snapshot
Forward Current
350/400 mA
Threshold Current
50/90 mA
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Overview
The 1230nm DFB laser (Distributed Feedback) is a semiconductor laser using a distributed feedback structure, with its peak wavelength precisely set in the 1230 nanometer (nm) range. This type of laser is typically designed as fiber-coupled to facilitate integration with fiber optic systems, providing stable and high-quality laser output.
Specifications
| Parameter | Value |
|---|---|
| Chip Temperature [may vary depending on selected wavelength] | 20/25/40 ℃ |
| Forward Current | 350/400 mA |
| Output Power [no kinks over the entire range] | 5/50 mW |
| Forward Current @50mW | 400 mA |
| Forward Voltage @50mW | 1.7/3.5 V |
| Threshold Current | 50/90 mA |
| Monitor photodiode current | 25 µA |
| Monitor photodiode responsivity | 0.4 µA/mW |
| Peak Wavelength (Selectable on Demand) [When power is greater than 50mW, achievability within the wavelength tolerance range can be realized; selectable on demand] | 1200/1280 nm |
| Peak wavelength tolerance | ±1 nm |
| Wavelength Temperature Tuning Capability | 120 pm/℃ |
| Wavelength current tunability | 2 pm/mA |
| Side mode suppression ratio (SMSR) | 40/50 dB |
| Linewidth (Self-heterodyne modulation @80MHz) | 1/5 dB |
| Polarization Extinction Ratio (PER) | 15/18 dB |
| Degree of Polarization | TE |
| Absolute Maximum Ratings - Forward Current | 450 mA |
| Absolute Maximum Ratings - Reverse Voltage | 2 V |
| Absolute Maximum Ratings - TEC Current | 3 A |
| Absolute Maximum Ratings - TEC Voltage | 4 V |
| Absolute Maximum Ratings - Chip Operating Temperature | 5/50 ℃ |
| Absolute Maximum Ratings - Case Operating Temperature | 0/70 ℃ |
| Absolute maximum ratings - monitor photodiode bias voltage | 5 V |
| Absolute Maximum Ratings - Pin Soldering Temperature (Max 10 seconds, Max case temperature 85°C) | 300 ℃ |
| Absolute Maximum Ratings - Storage Temperature | -40/85 ℃ |
| Absolute Maximum Ratings - Fiber Ribbon Radius | 3 cm |
| Thermistor - Type | NTC |
| Thermistor - Resistance @ 25℃ | 10±0.1 kΩ |
| Thermistor - Beta 25-85℃ | 3435±1 % |
| Fiber Type | HI1060 |
| Fiber Type | PM980 |
| Fiber - Numerical Aperture (Typical) [HI1060; typical] | 0.14 |
| Fiber - Numerical Aperture (Typical) [PM980; typical] | 0.12 |
| Fiber - Cutoff Wavelength [HI1060] | 920±50 nm |
| Fiber - Cutoff Wavelength [PM980] | 900±70 nm |
| Fiber - Mode Field Diameter [HI1060;@1060nm;1060nm] | 6.2±0.3 μm@1060 nm |
| Fiber - Mode Field Diameter [PM980;@1060nm;1060nm] | 6.6±0.3 μm@1060 nm |
| Fiber - Cladding Diameter [HI1060/PM980] | 125±1 μm |
| Fiber - Coating (Buffer) Diameter [HI1060/PM980] | 245±15 μm |
| Fiber - Loose Tube Diameter (Optional) [HI1060/PM980; optional] | 900 μm |
| Fiber - Connector [HI1060/PM980] | FC/APC |
| Fiber - Key [HI1060/PM980] | narrow |
Applications
Optical Communication Systems; Quantum and Nonlinear Optics; Metrology and Atomic References; Sensing and Spectroscopy; Testing and Instrumentation
Key Features
Integrated free-space optical isolator (dual-stage); precise wavelength control; high stability; low noise; high efficiency; fiber-coupled design
Datasheet
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Supplier Information
Sichuan Ziguan Photonics Technology Co., Ltd. was established in March 2015, located in Mianyang, the Science and Technology City of China. It is mainly engaged in the R&D, design, production, and sales of optical communication equipment and optical communication chips; it is a high-tech enterprise in optical communication with independent R&D capabilities and large-scale production capacity.
Since its establishment, Ziguan Photonics has continuously invested in R&D and attracted technical talents in the communication industry. The company's projects are led by PhDs, with masters and bachelors collaborating in research and development. The company's products are increasingly diversified, including optical switches, optical attenuators, fiber delay lines, silicon-based optical chips, polarization controllers, MEMS optical switches, high-speed photodetectors, silicon-based high-speed devices, pulsed fiber lasers, femtosecond fiber lasers, semiconductor lasers, and optical path protection equipment (OXC). At the same time, the company also provides core high-precision optical components for lidar systems, quantum communication systems, laser fusion imaging transmission systems, etc. Among them, fiber delay lines, optical switches, and optical attenuators are mass-produced products with core technologies, and the product technologies have obtained multiple patent certifications, including 6 invention patents, and a total of 16 appearance, software copyright, and utility model patents.
In 2024, the Xi'an Technology Center was established, focusing on three major fields: radio frequency, radar, and high-speed optoelectronic systems, dedicated to the industrialization of cutting-edge technologies. In the field of RF technology, it has full-chain capabilities from chip design to system integration. Its self-developed RF transceiver modules support ultra-wide frequency bands such as 0.1GHz~18GHz, and the innovative adaptive interference suppression algorithm can dynamically optimize signals to ensure communication stability in complex environments. In the field of radar technology, products cover industrial surveying (clearance radar), security (phased array), meteorology (wind measurement radar), etc., providing key data and early warning efficiency for wind power generation and regional security. Currently, it is exploring the integration of radar and AI, using machine learning to improve target recognition accuracy and response speed. In the field of high-speed optoelectronic systems, in response to the urgent demand for high-speed data transmission in scenarios such as data centers and supercomputing centers, we have developed high-speed acquisition card series, high-speed optical attenuation matrices, and other products, using silicon photonics technology to achieve low-loss, high-stability, and high-speed transmission, breaking through the bottleneck of traditional optoelectronic conversion.
In 2026, the Wuhan Optoelectronics R&D Center was established, dedicated to breakthroughs in ultrafast and high-power laser technologies such as high-speed fiber lasers and femtosecond lasers, as well as the R&D and production of fiber amplifiers. In the same year, the Jiaxing Optical Chip R&D Center was established, focusing on the potential needs of future AI computing centers, drones, robots, medical equipment, microwave photonic radar, etc., specializing in the process R&D and manufacturing of silicon-based optical chips, ferroelectric crystal (thin-film lithium niobate, poled electro-optic polymer, PZT) modulation chips, III-V (GaAs/InP) chips, and subsequent chip packaging processes, consolidating the core chip foundation.
The company has more than 150 customers and has established long-term stable strategic cooperation with well-known enterprises and institutions such as Huawei, AVIC, CETC, CAEP, universities, and aerospace. The company has successively obtained honorary titles such as "Technology-based Small and Medium-sized Enterprise", "National High-tech Enterprise", "Mianyang Civilized Youth", "2016 Honest Entrepreneurial Youth", "Military-Civilian Integration Enterprise", "2019 Outstanding Unit in Intellectual Property Work", etc.
Sichuan Ziguan Photonics Technology Co., Ltd. adheres to the principle of technological innovation and has always integrated innovation into the core values of the enterprise. The company emphasizes a harmonious corporate innovation atmosphere and provides a broad development platform for every employee; in internal management, it attaches great importance to team spirit, promotes the development of the enterprise with the team's collective creativity, and is more systematic and professional, continuously providing customers with high-quality and comprehensive services, making Ziguan Optical Communication's products at the forefront of the industry.
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