FiberLabs
FiberLabs Inc. is a privately held Japanese specialty photonics manufacturer that designs and produces fiber amplifiers, fiber-coupled light sources, and proprietary fluoride fibers (ZBLAN, AlF3) for telecom operators, datacom companies, medical/industrial equipment makers, and academic research labs worldwide.
- Company typePrivate
- Founded2000
- HeadquartersFujimino, Japan
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What FiberLabs does
FiberLabs Inc. is a privately held Japanese specialty photonics manufacturer, founded in 2000 and headquartered in the KDDI Research building in Fujimino, Saitama. The company designs and manufactures fiber amplifiers, fiber-coupled light sources, and specialty fluoride fibers, with a reported focus on providing the world's widest wavelength coverage (O/S/C/L-bands plus 850-nm-band) for telecom and datacom applications. Its core technical platform is built around proprietary in-house fluoride fiber manufacturing — ZBLAN and AlF3-based fibers with losses below 0.1 dB/m — which underpins both its amplifier products and standalone fluoride fiber SKUs sold to external customers.
The product portfolio spans three main categories. Fiber amplifiers include S-band TDFA (Thulium-doped), O-band PDFA (Praseodymium-doped), and C/L-band EDFA products, offered in bench-top, 1U rack-mount, and OEM module form factors to serve R&D, telecom network deployment, and OEM integration. Fiber-coupled light sources include ASE, SLD, and LD (FBG-stabilized, DFB, Fabry-Perot) sources spanning 750–1750 nm. Fluoride fibers include rare-earth-doped ZBLAN (Er, Tm, Ho, Pr, Dy), non-doped ZBLAN, and AlF3 fibers for Mid-IR transmission up to 4 μm, supporting fiber laser, medical laser delivery, and spectroscopy applications. Rack-mount amplifier products carry CE marking (EN 61010-1, EN 61326-1) and compliance with IEC 60825-1 and JIS C 6802 laser safety standards.
FiberLabs operates a direct-sales, B2B hardware model: products are quoted on request via the company website, pricing is not publicly disclosed, and the company states multi-year contract cadences are used. It serves four horizontal customer segments — telecom/network operators, datacom/tech companies (data center and high-speed Ethernet), medical/industrial equipment manufacturers, and university research labs. The company has no disclosed funding, parent entity, or ownership structure, and appears to be a self-sustaining, independent specialty manufacturer with a strategic co-development relationship with KDDI Research.
FiberLabs firmographics
Firmographics- Name
- FiberLabs
- Legal name
- FiberLabs Inc.
- Website
- https://fiberlabs.com
- Company type
- Private
- Founded year
- 2000
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- FiberLabs Inc. is a privately held Japanese specialty photonics manufacturer that designs and produces fiber amplifiers, fiber-coupled light sources, and proprietary fluoride fibers (ZBLAN, AlF3) for telecom operators, datacom companies, medical/industrial equipment makers, and academic research labs worldwide.
- Ownership category
- akta.pro rank
FiberLabs industry classification
Industry- Product category
- Specialty Optical Fiber Components
- NAICS
- Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing (334220), Fiber Optic Cable Manufacturing (335921)
- SIC
- Radio & Tv Broadcasting & Communications Equipment (3663)
- akta.pro primary industry
- Fiber-Optic Interconnects (Connectors/Cables/Transceivers Interfaces) (HDAHAOAE)
- akta.pro secondary industry
- Data, Communications & Fiber Optic Cable (IMADAMAD)
Keywords
Where FiberLabs is headquartered
LocationHeadquarters
- HQ city
- Fujimino
- HQ country
- Japan
- HQ region
- Asia
Offices1 record
Markets served
FiberLabs business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Supply Chain, Operations, Infrastructure
Revenue model
- Fiber Amplifier Sales: Sale of specialty fiber amplifiers including O-band PDFA, S-band TDFA, C/L-band EDFA products in various form factors (bench-top, rack-mount, OEM modules) for telecom and datacom applications
- Fluoride Fiber Sales: Sale of specialty fluoride fibers including ZBLAN (doped and non-doped), AlF3 fibers for medical/industrial products and university research
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | B2B enterprise sales - quote-based pricing |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
FiberLabs product offering
Product offeringCore offering
FiberLabs manufactures and sells specialty fiber amplifiers (O-band PDFA/BDFA, S-band TDFA, C/L-band EDFA) covering O/S/C/L-bands and 850-nm-band, along with proprietary fluoride fibers (ZBLAN and AlF3) and fiber-coupled light sources (ASE, SLD, LD). Products are offered in bench-top, rack-mount, and OEM module form factors for telecom, datacom, medical/industrial, and university research applications.
Product overview
FiberLabs is a specialty fiber amplifier and fluoride fiber manufacturer headquartered in Japan, offering the world's widest wavelength coverage (O/S/C/L-bands and 850-nm-band) for telecom and datacom fiber amplifiers. The product portfolio is organized into three main categories: (1) Fiber Amplifiers — including S-band TDFA (Thulium-doped), O-band PDFA (Praseodymium-doped), C-band EDFA, L-band EDFA, and C+L-band amplifiers, each available in bench-top, 1U rack-mount, and OEM module form factors; (2) Fiber-Coupled Light Sources — spanning ASE (Amplified Spontaneous Emission) sources across O-, S-, C-, L-, C+L-, and S+C+L-band wavelengths, SLD (Superluminescent Diode) sources in single-band and multiband configurations, and LD (Laser Diode) sources including Fabry-Perot, DFB, and FBG-stabilized types; and (3) Fluoride Fibers — including standard and rare-earth-doped ZBLAN fibers (Er, Tm, Ho, Pr, Dy), non-doped ZBLAN fibers, inventory fibers, custom fiber draw services, and AlF3-based fluoride fibers for Mid-IR applications. The company's proprietary fluoride fiber technology underpins both its fiber amplifiers and is also sold externally for medical, industrial, and research applications.
Differentiator
Problem solved
Functional benefit
Products and services
- S-band amplifier (TDFA) Thulium-doped fiber amplifier operating in the S-band (1460–1520 nm), available in bench-top, 1U rack-mount, and OEM module formats. Provides >20 dBm output power and >30 dB gain for next-generation high-capacity optical fiber communication beyond C-band and L-band.
- O-band amplifier (PDFA) Praseodymium-doped fiber amplifier operating in the O-band (1280–1320 nm), available in bench-top, 1U rack-mount, and OEM module formats. Generates >200 mW output power and >30 dB gain for high-speed Ethernet (100G, 400G, 800G and beyond) and bio imaging applications.
- O-band amplifier (BDFA) Bismuth-doped fiber amplifier for O-band WDM signal amplification. Positioned alongside the PDFA as a next-generation flagship amplifier for the O-band (1280–1320 nm) supporting high-capacity optical fiber communication.
- Extended L-band EDFA Erbium-doped fiber amplifier with extended wavelength range for L-band optical communication applications.
- FBG-LD light source Fiber Bragg Grating-stabilized laser diode light source covering wavelengths from 750 nm to 1750 nm, available in bench-top format. Provides wavelength-stabilized single-wavelength output with optional optical power control.
- DFB-LD light source Distributed Feedback laser diode light source covering 750–1750 nm, available in bench-top format. Offers narrow spectral width and low noise for long-haul optical communication applications.
- Fabry-Perot LD light source Fabry-Perot laser diode light source covering 750–1750 nm, available in bench-top format. Cost-effective LD source for general optical measurement and fiber laser excitation applications.
- SLD light source Superluminescent diode light source covering 750–1750 nm, available in bench-top and OEM module formats. Emits low-coherence broad-spectrum light used for optical sensors such as OCT and fiber gyroscopes.
- Telecom SLD (Multiband) Multi-SLD combined ultra-wideband light source covering O-, E-, S-, C-, L-, and U-bands from 1250 nm to 1750 nm, available in bench-top format. Used for measurement of optical devices including CWDM components and sensors.
- O-band ASE source Amplified Spontaneous Emission light source for O-band (1280–1320 nm) using Pr-doped fluoride fiber, available in bench-top and OEM module formats. Features high spectral density, stable output power, and low degree of polarization for test and measurement.
- C-band ASE source C-band ASE light source using Er-doped fibers (1525–1570 nm), available in bench-top and OEM module formats. Multiple models offer different spectral characteristics including economical, flat, wide-range, and high-power variants.
- L-band ASE source L-band ASE light source (1570–1600 nm) for evaluation of L-band optical devices and optical sensing, available in bench-top and OEM module formats.
- C+L-band ASE light source C+L-band ASE light source (1530–1600 nm) combining C-band and L-band coverage, available in bench-top and OEM module formats for wideband optical measurement.
- S-band ASE source S-band ASE light source using Tm-doped fluoride fiber (1460–1490 nm), available in bench-top and OEM module formats. High-brightness ASE source for S-band optical device testing.
- S+C+L-band ASE light source Ultra-wideband ASE light source covering S-, C-, and L-bands (1460–1610 nm) using combined Tm-doped, Er-doped fluoride, and Er-doped silica fibers, available in bench-top format.
- ZBLAN Bare Fiber (Rare-Earth Doped) Standard mass-produced rare-earth-doped ZBLAN fluoride fiber products (Er, Tm, Ho, Pr, Dy doped) with Mid-IR transmission up to 4 μm, for fiber amplifiers, lasers, and exotic wavelength applications in scientific research, industrial, and medical fields.
- ZBLAN Bare Fiber (Non-Doped) Standard non-doped ZBLAN single-mode and multimode fluoride fibers for Mid-IR light delivery, spectroscopy, and as a host for custom rare-earth doping. Single-mode variants include ZSF series; multimode includes ZMF series.
- ZBLAN Bare Fiber (Inventory) Currently stocked ZBLAN fibers including doped (single-clad and double-clad for core/cladding pumping) and non-doped variants. Includes elliptical-core PM fibers and coreless fibers for endcapping.
- ZBLAN Bare Fiber (Customized) Custom ZBLAN fiber draw service for specific application requirements not met by standard or inventory fibers. Specifications determined through consultation with technical sales team.
- AlF3 Bare Fiber AlF3-based fluoride fiber with superior laser damage threshold and water resistance compared to ZBLAN. Used for beam delivery of high-power medical/dental lasers (e.g., 2.94 μm Er-YAG), Mid-IR spectroscopy, and as end caps for Mid-IR fiber lasers. Transmission range 300 nm to 3.5 μm.
- Tunable Optical Filter Tunable optical filter for bench-top use, enabling selection of specific wavelengths within the O/S/C/L-band range for optical communication test and measurement.
Quantifiable outcome
- Output power >20 dBm and gain >30 dB for S-band amplifiers
- +2 more outcomes
Companies that use FiberLabs
Customer profileSegments4 records
Ideal customer profiles4 records
FiberLabs technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
FiberLabs partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- KDDI ResearchcoreFiberLabs is headquartered in the KDDI Research building, indicating a strategic relationship with KDDI Research for optical communication research and development collaboration.
Scale indicators5 records
Recent moves5 records
Expansion highlights5 records
FiberLabs competitors and assessment
Company assessmentBroad incumbents
- IPG Photonics: Dominant manufacturer of fiber lasers and amplifiers using active specialty fibers for industrial, medical, and telecom applications. Comparable on the fiber amplifier/laser technology side though IPG focuses on high-power industrial lasers rather than telecom/datacom-grade amplifiers.
- Coherent: Major diversified photonics manufacturer with broad portfolio in optical communications, materials processing, and semiconductor equipment. Offers fiber amplifiers and components as part of a much wider portfolio, serving similar telecom/datacom customers as FiberLabs.
- Sumitomo Electric Industries: Large Japanese conglomerate with significant optical fiber and fiber laser operations. Comparable in fluoride-based fiber and optical amplifier technology, though as part of a much broader electronics and industrial portfolio.
Emerging players
- nLIGHT: Manufacturer of specialty fibers (including double-clad and active fibers) and fiber lasers for industrial and medical applications. Comparable on the specialty fluoride and active fiber manufacturing side, with overlap in medical/industrial laser end markets.
- Thorlabs: Manufacturer of fiber-coupled light sources (SLD, ASE), specialty fibers, and optical test equipment. Comparable on the bench-top light source and test equipment side, though Thorlabs is broader and does not focus on telecommunications-grade amplifiers.
Direct peers
- Lumentum: Leading US-based manufacturer of optical components including fiber amplifiers (EDFA, Raman) and specialty fiber products serving telecom and datacom. Directly comparable in fiber amplifier product category, though Lumentum is broader and does not specialize in fluoride-fiber-based amplifiers.
- Furukawa Electric: Japanese optical fiber and component manufacturer with similar product portfolio including specialty fibers, fiber lasers, and EDFA products. Strongly comparable due to geographic overlap (Japan) and overlapping specialty fiber/amplifier offerings.
- NTT Electronics (NEL): Japanese manufacturer of optical amplifiers including fluoride-fiber-based amplifiers for telecom and research applications. Highly comparable product portfolio with overlapping focus on EDFA, TDFA, and PDFA technologies.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
FiberLabs social profiles
Digital presenceFiberLabs compliance and trust
Trust signalCompliance3 records
FiberLabs financial estimates
Financial estimateRevenue estimate
Valuation estimate
FiberLabs leadership team
Management profileNumber of profiles
Profiles1 record
FiberLabs funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
FiberLabs M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about FiberLabs
What does FiberLabs do?
FiberLabs manufactures and sells specialty fiber amplifiers (O-band PDFA/BDFA, S-band TDFA, C/L-band EDFA) covering O/S/C/L-bands and 850-nm-band, along with proprietary fluoride fibers (ZBLAN and AlF3) and fiber-coupled light sources (ASE, SLD, LD). Products are offered in bench-top, rack-mount, and OEM module form factors for telecom, datacom, medical/industrial, and university research applications.
Is FiberLabs a public or private company?
FiberLabs is a private company. It is classified as unknown and is currently operating.
When was FiberLabs founded?
FiberLabs was founded in 2000. It employs 11 to 50 people.
Where is FiberLabs based?
FiberLabs is headquartered in Fujimino, Japan, in the Asia region.
How does FiberLabs make money?
Two revenue lines are on record. Fiber Amplifier Sales are the primary driver. The others are fluoride Fiber Sales.
Who are FiberLabs's main competitors?
Broad incumbents on record are IPG Photonics, Coherent and Sumitomo Electric Industries. Emerging players are nLIGHT and Thorlabs. Direct peers are Lumentum, Furukawa Electric and NTT Electronics (NEL).
Does FiberLabs have an API?
No public API is recorded for FiberLabs.
What industry is FiberLabs in?
FiberLabs's product category is Specialty Optical Fiber Components. Its primary akta.pro industry code is HDAHAOAE, Fiber-Optic Interconnects (Connectors/Cables/Transceivers Interfaces), with a secondary code of IMADAMAD, Data, Communications & Fiber Optic Cable. Its NAICS code is 334220 and its SIC code is 3663.