Photonics for what’s next
Western Optronics supplies ELSFP continuous-wave laser sources for co-packaged optics (CPO), optical components and precision test equipment.
Featured laser sources
Explore our CWDM4 and 1311 nm external laser sources for CPO optical engines.
CY-ELSFP-8PMF-UHP1-CWDM4-B
Two CWDM4 wavelength sets deliver continuous-wave light to compatible CPO optical engines.
CY-ELSFP-8PMF-UHP1-1311-B
Eight 1311 nm laser channels, arranged in two banks of four, supply external light for CPO applications.
| Parameter | CWDM4 ELSFP | 1311 nm ELSFP |
|---|---|---|
| Model | CY-ELSFP-8PMF-UHP1-CWDM4-B | CY-ELSFP-8PMF-UHP1-1311-B |
| CW channels | 8 — two CWDM4 wavelength sets | 8 — two banks of four |
| Wavelengths | 2 × (1271 / 1291 / 1311 / 1331 nm) | 1311 nm nominal |
| Output per channel | ≥ +23 dBm | ≥ +23 dBm |
| Management / supply | CMIS / 3.3 V nominal | CMIS / 3.3 V nominal |
These modules provide continuous-wave light for external modulation. Select the wavelength arrangement required by your optical engine.
Need help choosing a wavelength configuration? Read the ELSFP selection guide →
For a quotation, include the model, quantity, delivery schedule, optical connector, fiber assignment and host platform.
1.6T optical transceiver
Silicon photonics connectivity for single-mode fiber links up to 500 m.
CP-OSFP-1.6T-2DR4
An OSFP224 silicon photonics transceiver with eight parallel optical channels and dual MPO-12/APC connectors, designed for 2×800GBASE-DR4 optical links.
Optical transceivers
Explore DR8 and 2×FR4 silicon photonics transceivers for single-mode fiber links.
CP-OSFP-800G-DR8
An 800G OSFP transceiver for single-mode fiber links up to 500 m, with CMIS 5.0 management.
CP-OSFP-800G-2FR4
An 800G OSFP transceiver for single-mode fiber links up to 2 km, with CMIS 5.0 management.
Components & equipment
Tools and components for optical development, measurement and inspection.
CW DFB lasers, tunable sources, modulators and semiconductor optical amplifiers.
Light sources, BERTs, power meters, attenuators and polarization controllers.
Precision polishing, slicing, cutting and sample preparation equipment.
Measuring, biomedical, metallurgical and zoom microscopes.
Equipment for purchase, rental, leasing and trade-in.
Explore purchase & rental optionsFrom the blog
Explore articles on optical communication and photonics, from core concepts to emerging technologies.
Talk to our team
Share your target wavelengths, optical power and host platform. We’ll help you identify the relevant product configuration.
Arabic 
English 
Chinese 
German 
French 
Russian 
Panjabi