1×N (N×N) Monolithic Multi-Mode Coupler

Multimode fiber couplers (MMC) are used for multimode fiber LAN systems. LightComm builds a series of  MMC with low insertion loss, high reliability.


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1xN(NxN)Monolithic Multi-Mode Coupler.pdf(doc:018)


Specifications:

Parameter

1×2 (2×2)MMC

P

A

Operating wavelength (nm)

850 or 1310, others on request

Operating bandwidth (nm)

±40

Typical excess loss (dB)

0.4

0.7

Insertion loss (dB)

50/50

≤3.7/3.7

≤4.0/4.0

40/60

≤4.7/2.7

≤5.0/3.0

30/70

≤6.0/2.1

≤6.3/2.4

20/80

≤7.8/1.4

≤8.1/1.7

10/90

≤11.2/0.9

≤11.6/1.2

5/95

≤14.5/0.7

≤15.0/1.0

2/98

≤18.6/0.6

≤19.4/0.9

1/99

≤22.0/0.5

≤22.8/0.8

Uniformity (50/50)   (dB)

≤0.5

≤0.8

Directivity (dB)

≥40

Operating   temperature ()

-40 ~ +85

Fiber type (μm)

50/125 or   62.5/125 Multi-Mode or others


           Parameter

1×3 MMC

3×3 MMC

1×4 MMC

Operating wavelength(nm)

850 or   1310, others on request

Operating bandwidth (nm)

±40

Grade

P

A

P

A

P

A

Typical excess loss (dB)

0.7

1.0

1.0

1.3

0.9

1.2

Insertion loss (dB)

≤6.0

≤6.3

≤6.3

≤6.6

≤7.8

≤8.3

Uniformity (dB)

≤0.6

≤0.9

≤1.2

≤1.6

≤1.2

≤1.5

Directivity (dB)

≥40

Operating temperature ()

-40 ~ +85

Fiber type (μm)

50/125 or   62.5/125 Multi-Mode or others

* The above specification is without connector.

**Other specifications can be made on customer request.