Datasheet 1738UCA, 1738UBA, 1738UAA Datasheet (AGERE)

1738U-Type Small Form-Factor
Erbium-Doped Fiber Amplifier with Uncooled Pump

Preliminary Data Sheet

March 2001

Compact size and extremely low power consumption make
the 1738U-Type EDFA an ideal solution for single-channel,
preamplification applications in C-band.

Features

■

Economical, compact package:
90 mm x 70 mm x 12 mm

■

Extremely low power consumption: <875 mW

■

Single-channel amplification in C-band
(1528 nm—1562 nm)

■

Uncooled 980 nm pump laser module

■

Wide operating temperature range:
–5 °C to +70 °C

■

Optical input tap

■

Isolated input and output

■

Connectorized single-mode fiber pigtail

Applications

■

Single-channel links in:
— Metro systems
— Long-haul transport
— Switch matrix

Description

The 1738U-Type Uncooled Small Form-Factor
Erbium-Doped Fiber Amplifier (SFF EDF A) is
designed for single-channel amplification in C-band
applications. The device is manufactured in an eco­nomical SFF package and exhibits extremely low
power dissipation over a wide operating temperature
range.

Optimum performance and system stability are sup­ported through the use of optical isolation at the input
and output. Optical input and output functions are
achieved through single-mode fiber pigtails termi­nated with optical connectors. The EDFA incorpo­rates an optical input tap and monitor photodiode.

2

Agere Systems Inc.

1738U-Type Small Form-Factor Preliminary Data Sheet
Erbium-Doped Fiber Amplifier with Uncooled Pump March 2001

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso­lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess
of those given in the operational sections of the data sheet. Exposure to absolute maximum ratings for extended
periods can adversely affect device reliability.

Electrical/Optical Operational Characteristics

Parameter Symbol Min Max Unit

Operating Case Temperature Range T

OP

–5 70 °C
Storage Case Temperature Range Tstg –40 85 °C
Laser Forward Current I

F

— 500 mA
Laser Reverse Voltage V

R

—2.5V

Table 1. Optical/Electrical Characteristics

Parameter Symbol Conditions Min Max Unit

Wavelength Range λ — 1528 1562 nm
Optical Output Power P

OUT

P

IN

= –30 dBm to –8 dBm –5 — dBm

Optical Input Power P

IN

— –30 –8 dBm

Noise Figure NF P

IN

= –30 dBm

P

IN

= –20 dBm

P

IN

= –15 dBm

P

IN

= –8 dBm

—
—
—
—

5.5

5.7

6.8

8.5

dB
dB
dB
dB

Operating Laser Forward Current I

F,OP

——350mA

Operating Laser Forward Voltage V

F,OP

——2.5V

Power Consumption P

C

——875mW

ASE Noise Power at Optical Input Port P

ASE,I

PIN = –30 dBm,
P

OUT

= –5 dBm

— –20 dBm

Output Leakage Pump Power P

LEAK,O

PIN = –30 dBm,

P

OUT

= –5 dBm,

λ = 1562 nm

— –26 dBm

Reverse Isolation I

ISO

PIN = –30 dBm 25 — dB

Input Monitor Tap Responsivity R

TAP

— 0.032 0.063 A/W
Polarization Sensitivity PDG — — 0.5 dBp-p
Polarization Mode Dispersion PMD — — 0.5 ps
Optical Input Return Loss RL

I

—30—dB
Optical Output Return Loss RL

O

—30—dB

3

Agere Systems Inc.

Preliminary Data Sheet 1738U-Type Small Form-Factor
March 2001 Erbium-Doped Fiber Amplifier with Uncooled Pump

Pin Information

Table 2. Pin Descriptions

Pin Description Pin Description

1 Ground Monitor Photodiode 11 Not Connected
2 Input Monitor Photodiode Cathode 12 Not Connected
3 Input Monitor Photodiode Anode 13 Not Connected
4 Not Connec ted 14 Not Connec ted
5 Not Connec ted 15 Not Connec ted
6 Thermistor 1 16 Not Connected
7 LD+ (pump anode) 17 Ground Pump
8 LD+ (pump anode) 18 Thermistor 2
9 Pump Monitor Photodiode Cathode 19 LD– (pump cathode)

10 Pump Monitor Photodiode Anode 20 LD– (pump cathode)

4

Agere Systems Inc.

1738U-Type Small Form-Factor Preliminary Data Sheet
Erbium-Doped Fiber Amplifier with Uncooled Pump March 2001

Outline Diagram

Dimensions are in inches and (millimeters): 2.75 x 3.54 x 0.47 (70 x 90 x 12).

0.353
(8.98)

2x M2.5 TAPPED HOLES

2.834

(72.00)

0.098
(2.50)

2x 0.77
(4.50)

0.285

(7.24)

0.324

(8.24)

0.472

(11.99)

0.768
(9.50)

0.353
(8.96)

2.834

(72.00)

2x M2.5 TAPPED H O LES

0.098
(2.50)

60.0°

OUTIN

3.540

(89.92)

3.268

(83.00)

2.750

(69.85)

0.136
(3.46)

9x 0.079

(2.0)

1.024
(26.00)
(PIN 1)

0.079
(2.01)

LABEL AS REQUIRED/
PRODUCT INFO R MATION

(PIN1)

PIN 19

PIN 20

2.480

(63.00)

0.135

(3.43)

4x M4.0

THUR HOLES

1-1257(F)

5

Agere Systems Inc.

Preliminary Data Sheet 1738U-Type Small Form-Factor
March 2001 Erbium-Doped Fiber Amplifier with Uncooled Pump

Laser Safety Information

Class IIIb Laser Product

FDA/CDRH Class IIIb laser product. All versions of the device are Class IIIb laser products per CDRH, 21 CFR
1040 Laser Safety requirements. All versions are Class IIIb laser products per

IEC

* 60825-1:1993. The devices

have been classified with the FDA under an accession number to be determined.
This product complies with 21 CFR 1040.10 and 1040.11.

8.8 µm/125 µm single-mode fiber pigtail with connector options
Wavelength = 1.5 µm
Maximum power = 10 mW

Product is not shipped with power supply.

CAUTION: Use of controls, adjustments, and procedures other than those specified herein may result in

hazardous laser radiation exposure.

*

IEC

is a registered trademark of the International Electrotechnical Commission.

DANGER

INVISIBLE LASER RADIATION
EMITTED FROM END OF
FIBER OR CONNECTOR
Avoid direct exposure to beam

Do not view beam directly with
optical instruments

LASER APERTURE

INVISIBLE LASER RADIATION EMITTED FROM END OF FIBER OR CONNECTOR

Avoid exposure to beam
Class 3B Laser Product IEC-60825M 1993 Max. Output: 10 mW Wavelength 1.5 µm

For additional information, contact your Agere Systems Account Ma nager or the following:
INTERNET: http://www.agere.com
E-MAIL: [e-mail]
N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286

1-800-372-2447, FAX [phone] (In CANADA: 1-800-553-2448, FAX [phone])

ASIA PACIFIC: Agere Systems Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256

Tel. [phone], FAX [phone]

CHINA: Agere Systems (Shanghai) Co., Ltd., 33/F Jin Mao Tower, 88 Century Boulevard Pudong, Shanghai 200121 PRC

Tel. [phone], FAX [phone]

JAPAN: Agere Systems Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan

Tel. [phone], FAX [phone]

EUROPE: Data Requests: DATALINE: Tel. [phone], FAX [phone]

Technical Inquiries: OPTOELECTRONICS MARKETING: (44) 1344 865 900 (Ascot UK)

Agere Systems Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application.

Copyright © 2001 Agere Systems Inc.
All Rights Reserved

March 2001
DS01-101OPTO

1738U-Type Small Form-Factor Preliminary Data Sheet
Erbium-Doped Fiber Amplifier with Uncooled Pump March 2001

Ordering Information

* For additional ordering information, please contact an Agere Systems account manager at OPTO West, 1-800-362-3891 (for sales staff,

please press option 2).

Coding Scheme

Example: 1738U

αβγ

α

= Optical connector indicator:

A = SC/APC
B = LC/APC
C = FC/APC

β

= Electrical connection:

A = Male 2 x 10 at 2 mm spacing
B = future use

γ

= Future use

Table 3. Ordering Information

*

Device Code Connector

Electrical Connection Comcode

1738UAA SC/APC Male 2 x 10 at 2 mm spacing TBD
1738UBA LC/APC Male 2 x 10 at 2 mm spacing TBD
1738UBA FC/SPC Male 2 x 10 at 2 mm spacing TBD