GREEN PEPPER INTERNATIONAL
GREEN PEPPER INTERNATIONAL LIMITED
Precision Semiconductor Laser Solutions Portfolio
High-Coherence Seed Sources, Integrated Photonic Modules & Industrial Gas Sensing Systems.
High-Power CW DFB & EML Laser Chips
Bare high-power continuous-wave DFB laser chips and 100G PAM4 EML chips engineered for silicon photonics, co-packaged optics, and high-speed optical transceiver applications.
High-Power CW DFB Laser Chips
Bare high-power continuous-wave DFB laser chips delivering 70 mW to 400 mW output, covering 1310 nm and CWDM wavelengths for high-power seed and transceiver integration.
- KEY SPECIFICATIONS
- Output Power: 70 mW / 100 mW / 200 mW / 400 mW
- Wavelength: 1310 nm & CWDM band options
- Form Factor: Bare chip (COC) for direct integration
100G 1310 nm PAM4 EML Chips
High-speed electro-absorption modulated laser (EML) chips optimized for 100G PAM4 optical interconnects and next-generation data center applications.
- KEY SPECIFICATIONS
- Modulation: 100G PAM4
- Wavelength: 1310 nm
- Bandwidth: Typical 35 GHz
Laser Seed Sources & Transmitters
High-power, ultra-narrow linewidth, and high-coherence semiconductor lasers compliant with Telcordia GR-468-CORE standards.
DFB / ECL Series Lasers
High-power & ultra-narrow linewidth solutions for coherent sensing and seeding.
- KEY SPECIFICATIONS
- Linewidth:As low as 2 kHz
- Output Power:Up to 250 mW
- RIN:-150 dBc/Hz（Typical）
OTDR Series Lasers
High-peak-power pulsed sources optimizedfor precision optical fiber testing.
- KEY SPECIFICATIONS
- Peak Power: Customizable
- Pulse Width: ns-level pulse width
- Spectral Width: ≤ 5 nm (-20dB)
DML Direct Modulated Lasers
DML Direct Modulated Lasers
High-bandwidth direct modulation enginesoptimized for next-generation data links.
- KEY SPECIFICATIONS
- Modulation Bandwidth: Up to 18GHZ
- Output Power: ≥ 10 mW (CW Operation)
- RF Interface: 50 Ω K-Connector Input
CWDM DFB Lasers
High-stability multi-quantum well DFB lasers packaged in standard 14-pin butterfly housing, offering wide wavelength coverage and high reliability for optical communications.
- KEY SPECIFICATIONS
- Wavelengths: Full ITU Gridcoverage
- Tuning Range: Precision ThermalTuning
- Package: Standard 14-pin Butterfly Datasheet
DWDM DFB Lasers
Premium single-mode DFB lasers designed for dense wavelength division multiplexing and high-sensitivity gas detection, featuring ultra-narrow spectral width and excellent slope efficiency.
- KEY SPECIFICATIONS
- Wavelength Range: 1278～1654 nm
- Spectral Width (Δλ): ≦0.1nm(@20dB)
- Slope Efficiency: 0.05～0.1 mW/mA
Optical Receivers & Photo detectors
High-sensitivity, low-noise optical receivers and photodetectors engineered for precision sensing, long-range LiDAR, and high-speed optical fiber communications.
Avalanche Photodetectors (APD)
High-gain, low-noise InGaAs avalanche photodetectors optimized for weak-signal telecom receivers and long-range LiDAR systems.
- KEY SPECIFICATIONS
- Signal Gain: High internal multiplication gain
- Sensitivity: Ultra-low dark current for weak signals
- Coverage: Optimized for O/E band infrared spectrum
Integrated Photonic Modules
Plug-and-play precision modules combining low-noise driving electronics and ultra-stable optical engines.
Integrated Narrow-Linewidth Laser Modules
Compact, low-power laser modules available in DFB and ECL configurations, integrating low-noise drive circuits for exceptional phase stability.
- KEY SPECIFICATIONS
- Architecture Options:Available in both DFB and ECL narrow linewidth configurations
- Noise Reduction:Optimized internal drive circuits minimizing electrical noise
- Form Factor:Highly compact, low-power design tailored for system integration
Ultra-Narrow Linewidth LaserModule (<100Hz)
Ultra-coherent, single-frequency semiconductor lasers utilizing advanced self-injection locking to deliver sub-100Hz linewidths for high-precision optical sensing.
- KEY SPECIFICATIONS
- Coherence:Sub-100Hz ultra-narrow Lorentz linewidth
- Spectral Purity:Outstanding side-mode suppression ratio (SMSR)
- Stability:Exceptionally low long-term frequency drift
Industrial Sensing Solutions
High-performance TDLAS gas sensing modules and instruments offering maintenance-free operations and zero cross-sensitivity.
Enhanced Laser Spectral Trace Gas Sensing Module
High-sensitivity laser spectroscopic modules integrating ultra-stable sources and enhanced optical paths for real-time, precision trace gas detection.
- KEY SPECIFICATIONS
- Target Gas: Acetylene (C2H2) -ideal for DGA
- Detection Limit /Resolution: 0.01ppm
- Lifespan: > 5 years maintenance-free solid-state architecture
Laser Methane Remote Sensing Module
Advanced coaxial TDLAS telemetry solutionfor safe, long-distance gas leak detection.
- KEY SPECIFICATIONS
- Power consumption of ≤ 5W
- Sensing Distance: Safe monitoringup to 50 meters
- Response Time: Fast 150 msrefresh rate
High-Precision Laser GasSensing Module
Standardized Multi-Gas integration platformadaptable for industrial process control.
- KEY SPECIFICATIONS
- Gases: High-sensitivity CH4, C2H4,and C2H2 detection
- Resolution: 1 ppm trace-levelmeasurement
- Power consumption of ≤ 5W
Laser Water Vapor (H2O) Sensor
High-precision absolute trace moistureanalyzer immune to chemical contaminants.
- KEY SPECIFICATIONS
- Power consumption of ≤ 5W
- Detection Range: 0 ~ 20000 ppm(Customizable)
- Real-time dew point calculation andzero drift performance
Pipeline Laser Methane Sensor
High-precision, TDLAS-based laser methane sensors engineered for continuous monitoring and early leak detection in natural gas pipelines.
- KEY SPECIFICATIONS
- Power consumption of ≤ 0.6W
- Response Time:Ultra-fast T90 response in < 35s
- Lifespan & Stability:Maintenance-free operation with over 5-year sensor life
Environmental Laser Methane Sensor
High-precision, sub-ppm level methane gas sensors utilizing Tunable Laser Diode Absorption Spectroscopy (TDLAS) for reliable environmental monitoring.
- KEY SPECIFICATIONS
- Detection Limit:Ultra-precise 0.1 ppm minimum resolution
- Power consumption of ≤ 0.6W
- Response Speed:Fast response time of T90 < 15 s
Laser Methane Point-type Sensor
High-precision optical gas sensors utilizing tunable diode laser absorption spectroscopy (TDLAS) for continuous and reliable point-source methane detection.
- KEY SPECIFICATIONS
- Power consumption of ≤ 0.3W
- Measurement Range:3～100% LEL with continuous real-time output
- Response Speed:Fast response time (T90) with in ≤ 30 s
Portable Laser Methane Module for Mining
Ultra-low power, TDLS-based methane detection modules explicitly designed for integration into intrinsically safe mining portables and handheld gas detectors.
- KEY SPECIFICATIONS
- Power consumption of ≤ 0.3W
- Detection Range:0 to 100% VOL measurement
- Response Speed:Fast response time (T90) with in ≤ 30 s
Gas Sensing Specialized Laser (DFB / VCSEL)
High-precision, mode-hop-free DFB and VCSEL laser sources custom-engineered for Tunable Laser Diode Absorption Spectroscopy (TDLAS) gas sensing.
- KEY SPECIFICATIONS
- Typical 1.5V / 80mA (Ideal for portable detectors)
- Tuning Reliability:Continuous mode-hop-free tuning with ≥35dB SMSR
- Target Gases:Tailored for O2, HF, CO,NH3，C2H2，CH4, H2S，C2H4，CO2, and H2O detection
(Airborne) Laser Remote Sensing Module
An ultra-lightweight, low-power laser remote sensing module custom-engineered for drone-integrated methane (CH4) leak detection and airborne environmental monitoring.
- KEY SPECIFICATIONS
- Power consumption of ≤ 3W
- Detection Sensitivity:20ppm·m @30～100m
- Form Factor:Ultra-lightweight 250g design optimized for UAV payloads
Green Pepper International LIMITED
Providing premium telecom-grade laser elements and integrated photonics modules for global industrial sensing and next-gen AI infrastructures.
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- sales@greenpepperintl.com
- Room 704, 7/F., Tower A, New Mandarin Plaza, 14 Science Museum Road, TST East, Kowloon, Hong Kong
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