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High Precision Axis Alignment PM Fiber Array Unit Low Insertion Loss High Channel Scalability

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High Precision Axis Alignment PM Fiber Array Unit Low Insertion Loss High Channel Scalability

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Brand Name :	Gracyfiber
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High Precision Axis Alignment PM Fiber Array Unit Low Insertion Loss High Channel Scalability

High-Precision Axis Alignment PM Fiber Array

1. Product Overview

GRACYFIBER's polarization-maintaining fiber array (PMFA) is a high-precision micro-optical interconnect component designed for stringent polarization control and high coupling stability. This product ensures extremely high polarization extinction ratio (PER) and excellent signal consistency across multiple channels by precisely aligning polarization-maintaining fibers in a V-groove substrate. Whether you are developing next-generation silicon photonics (SiPh) packages, co-packaged optics (CPO), lithium niobate (LiNbO₃) modulators, or coherent optical communication systems, we offer highly scalable customization options (supporting 1 to 128 channels). With flexible lidded or lidless structures, this component seamlessly integrates into edge-coupled and end-face coupling processes, directly helping optical module manufacturers reduce polarization-dependent losses and accelerate the mass production process of high-end chip-scale packaging.

2. Product Features (Key Features)

Parameter		Unit	1	2	4	8	12	16	24	32	48	64	96	128
Wavelength		nm	460,630,780,850,980,1060,1310,1550,1650,1950
Materials		-	Pyrex, Tempax, Quartz, Silicon
Lid Option			Lid / Lidless
CorePitch		-	-	250	127/250	127/250	127/250	127	127	127	127	127	127
Core Pitch Tolerance		μm	+/-0.3				+/-0.5				+/-0.7		+/-1.0
Polish Angle		Degree	8°,41°,82°,90° or customized (12°, 21°,...) (±0.5°)
Angle Type		-	A Type or V Type
Insertion Loss		dB	≤0.5(Typical 0.3)
Polarization Extinction Ratio (PER)		dB	≥20 (Typical ≥23)								≥18 (Typical ≥20)
Polarization Axis Reference		-	Slow axis / Fast axis
Axis Orientation		Degree	0° /45°/ 90° / Customized
Axis Alignment Accuracy		Degree	≤ ±2° (Typ. ±1°)
Return Loss		dB	UPC≥45, APC≥55
FA Dimension	W	mm	2.5	2.5	2.5	2.5	3.5	3.5	5.7	5.7	9	10	15	19.2
	H	mm	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5	2.5
	L	mm	10	10	10	10	10	12	12	12	12	12	15	18
	-	-	Standard or Customized
PM Fiber Type		-	Panda PM (standard) / Bow-tie (optional)
Fiber Coating		um	250 µm / 900 µm loose tube / ribbon (optional)
Fiber Type Length		cm	100+/-10 or customized
Connector		-	.FC/LC/SC/E2000/MT/MPO/MMC
Operation Temperature		°C	-5~65
Storage Temperature		°C	-40~85

Features: Extremely high polarization extinction ratio (PER ≥20 dB, typical ≥23 dB)

Benefit: Ensures extremely high polarization purity of optical signals in multi-channel transmission, effectively eliminating polarization crosstalk. This provides unparalleled signal integrity for your high-speed coherent optical modules and high-end optical sensing systems.

Features:High-precision polarization axis alignment (≤ ±2°, typical ±1°) and flexible axial control (0° / 45° / 90° or custom)

Benefit:Ensures perfect polarization axis matching between the array and the silicon photonics chip or LiNbO₃ modulator. This significantly reduces polarization dependent loss (PDL) during active alignment, improving overall optical coupling efficiency and system stability.

Features:Submicron-level fiber core pitch tolerance (±0.3 μm to ±1.0 μm) and ultra-high channel scalability (1 to 128 channels)

Benefit: Precisely supports standard pitches such as 127 μm and 250 μm. This not only meets the stringent space requirements from simple interconnects to complex CPO systems, but also helps your hardware architecture easily achieve high-density photonic integration and smooth upgrades.

Features:Ultra-low insertion loss (≤0.5 dB, typical 0.3 dB) and high return loss (APC ≥55 dB)

Benefit:Maximizes your system optical power budget, meeting the stringent optical power requirements of high-order coherent modulation formats, thereby effectively extending transmission distance and reducing network bit error rate.

3.Applications

Silicon Photonics (SiPh) Coupling: Used for efficient edge coupling and high-density integration of photonic chips.
Co-packaged Optics (CPO) Systems: Provide low-profile, high-density optical signal routing for ASIC switching chips.
Lithium Niobate (LiNbO₃) Modulators: Provide highly consistent polarization input/output interfaces.
Coherent Optical Modules: Core components for 400G/800G coherent communication in backbone networks and DCI interconnects.
High-end Optical Sensing Systems: Used in interferometric measurement and optical computing systems that are extremely sensitive to phase and polarization.

4.Packaging Options

Pigtailed
FAU
Hermetic
Lidless
Hybrid Integration Ready

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