CQF915/408-19630 datasheet, PDF

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CQF915/408-19630: DescriptionFiber Optic Device,; CategoryWireless rf/communication Optical fiber; File Size93KB，4 Pages; ManufacturerLumentum Operations LLC

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CQF915/408-19630 Overview

Fiber Optic Device,

CQF915/408-19630 Parametric

Parameter Name	Attribute value
Maker	Lumentum Operations LLC
Reach Compliance Code	compliant
Base Number Matches	1

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Product Bulletin

1550 nm WDM DFB Lasers

with Extended Case

Temperature for Direct

Digital Modulation

CQF915/408 Series

The CQF915/408 is a high-power, directly

modulated laser source in a butterfly package with

extended case temperature for metro WDM

systems up to 100 km. The laser is pigtailed with a

single-mode fiber and shows excellent thermal

stability (e.g. wavelength drift with case

temperature is much better than 1 pm/°C).

Dependence of the optical isolation on case

temperature is minimized by a cooled isolator. The

internal bias-T network and built-in monitor

diode enable simple DC-bias conditioning and

output power stabilization of the laser diode.

Under small signal modulation conditions, the

bandwidth of the device exceeds 3 GHz. Due to the

intrinsic low chirp characteristic of the DFB laser,

the device is especially suitable for digital transmis-

sion at 1550 nm. Based on standard single-mode

fiber with non-zero dispersion, the maximum

dispersion penalty at BER = 10

-10

is less than 1.5

dB, for a total dispersion of up to 1800 ps/nm at

1550 nm. Long-term wavelength stability has been

established by wavelength drift tests.

Key Features

•

1550 nm (WDM) DFB laser diode

•

2.5 Gb/s suitable for OC-48/STM-16

•

Built-in high-performance thermo-electric

cooler

•

Built-in cooled optical isolator

•

Wavelengths available from 1527 to 1610 nm

(C and L bands)

•

Ω

electrical impedance matching

•

100 km distance (1800 ps/nm dispersion at

1550 nm)

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