Configuration

2

FUSED COUPLER, NEAR INFRARED

1x2

2x2

P4 (Blue)

P1 (Red) COMMON (Input)

P2 (Blue) SIGNAL (Input)

P3 (Red) TAP (Output)

P1 (Red) COMMON (Input)

P2 (Blue) SIGNAL (Input)

P3 (Red) TAP (Output)

Insertion Loss

Coupling Ratio

Grade

Available Housing Option

(Maximum)

(Maximum)

10%

A

3, 4, 5, 6

0.9 dB

12.2 dB

10%

B

3, 4, 5, 6

1.1 dB

12.4 dB

20%

A

3, 4, 5, 6

1.5 dB

8.4 dB

20%

B

3, 4, 5, 6

1.7 dB

8.6 dB

30%

A

3, 4, 5, 6

2.2 dB

6.4 dB

30%

B

3, 4, 5, 6

2.4 dB

6.5 dB

40%

A

3, 4, 5, 6

3.0 dB

4.9 dB

40%

B

3, 4, 5, 6

3.2 dB

5.1 dB

50%

A

3, 4, 5, 6

3.8 dB

3.8 dB

50%

B

3, 4, 5, 6

4.0 dB

4.0 dB

1. Insertion loss at operating wavelength range (not including PDL, TDL or connector losses).

2. In 2x2 couplers with a coupling ratio of 20% or lower, insertion loss is not specified for launch through second input port (P4).