Slim, hermetic package Excellent long-term bias stability modulation v

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Slim, hermetic package Excellent long-term bias stability modulation v

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Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Slim, hermetic package Excellent long-term bias stability modulation voltages Patented dual-drive technology (single-drive also available) Integrated optical attenuator available singledrive Gbits/s modulator Patented Ti-diffusion process Operation 1.55 wavelength Ti-LiNbO3 technology Angled interfaces minimal optical reflections design minimal electrical reflections Bandwidths Operational over temperature range Tested Bellcore
Offered new, low-profile hermetic package, Lithium Niobate SLIM-PAC Modulator features patented dual-drive configuration that allows chirp dispersion penalty. Gbits/s, transmission distances achieved.
Benefits
Adjustable chirp long distances high rate Configurable customer specifications: Integrated optical attenuator Dual-drive Single-drive Internal polarizer
Applications
Digital high-speed telecommunications SONET: OC-1 through OC-192 SDH: STM-16, STM-64 Analog digital cellular communication Analog CATV Military radar remoting
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Description
Lucent Technologies Microelectronics Group's SLIM-PAC Electro-Optic Modulator designed long-wavelength, single-mode external amplitude modulation applications. employs integrated Mach-Zehnder configuration convert single polarization light from semiconductor (DFB) solid-state (frequency-optimized Nd:YAG) laser into time-varying optical output signal. Using source mode eliminates need demanding, high-speed performance from laser reduces cost. Ti-diffusion process standard feature modulator devices, available with either single-drive with Microelectronics Group's patented dual-drive configuration. Modules incorporating dual-drive design advantage exhibit balanced drive voltage, which produces zero-chirp modulation operation. addition, redesigned package hermetic protect LiNbO3 from environment. Novel processing techniques make possible achieve 20-year operation with little drift dc-bias point. SLIM-PAC modulator tested meets intent TR-NWT-00468. Other standard features include Panda-type polarization-maintaining fiber (PMF) optical input fiber single-mode fiber output fiber. required customer, polarizers added. Modulators available with either rotary mechanical splice FC-type connectors that keyed axis polarization.
1-684
Figure Equivalent Circuit (2624-Type)
1-685
Figure Typical Interconnection
1-686
Figure Typical Circuit Schematic Lucent Technologies Inc.
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Description (continued)
1-688(C).a
Figure Recommended Operating Circuit Diagram 2624-Type (Dual-Drive) SLIM-PAC Modulators
1-689 (C).a
Figure Recommended Operating Circuit Diagram 2623-Type (Dual-Drive) SLIM-PAC Modulators
Lucent Technologies Inc.
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Absolute Maximum Ratings
Stresses excess absolute maximum ratings cause permanent damage device. These absolute stress ratings only. Functional operation device implied these other conditions excess those given operational sections data sheet. Exposure absolute maximum ratings extended periods adversely affect device reliability. Parameter Storage Temperature Optical Input Power Voltage (peak peak) Voltage Operating Temperature Symbol Tstg Unit
Optical/Electrical Characteristics (Nominal)
Device Code Wavelength (µm) 1.55 1.55 Bandwidth* (GHz) Switching Voltage
Extinct. Ratio (dB)
Impedance
Insertion Loss (dB)
Electrical Return Loss (dB)
Optical Return Loss (dB)
2623
2624
Bandwidth stated electrical-optical-electrical determined ratio received electrical power photodiode) relative electrical power used drive modulator. This response referenced value MHz. switching voltage listed voltage tested GHz. total voltage swing approximately same regardless whether modulator used single- dual-drive operation. However, driving modulator differentially requires only half voltage each driver. swing required single-sided operation requires only swing each output differential driver.) Single-drive configuration available. Single drive with optical attenuator configuration available.
Lucent Technologies Inc.
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Optical/Electrical Characteristics
(continued)
Electrical Signal Input
Electrical signal input made through coaxial connectors. standard device includes internal termination network. Care must taken exceed recommended in-lb. torque when making connections these inputs. High-frequency coaxial cable recommended.
Packaging
Designed NEBS (inside plant) standards, SLIMPAC hermetic package design incorporates lasersealed soldered fibers. minimum bend radius fiber prevent warping, only center screws mount device.
1-898
Figure Typical Lithium Niobate Modulator Frequency Response
Lucent Technologies Inc.
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Outline Diagram
2624-Type SLIM-PAC LIthium Niobate Modulator
Dimensions inches (millimeters).
1-889
Lucent Technologies Inc.
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
Ordering Information
Table Device Information Description* High-Speed ElectroOptic Modulators Part Number 2623AA 2624AA 2623C 2624C Optical Connector Type Rotary Rotary Comcode 107683682 107683708 107683690 107683716
Bias drive circuitry information available request. Higher operating speeds custom designs also available. Single drive with optical attenuator available.
Table Related Product Information Description Lithium Niobate Intensity (Amplitude) Modulator Using Lithium Niobate Modulator: Electro-Optical Mechanical Connections Relationship Between Chirp Voltage Mach-Zehnder Lithium Niobate Modulators Document Number TN94-017LWP TN98-004LWP TN95-009LWP
Lucent Technologies Inc.
Gbits/s Gbits/s Lithium Niobate SLIM-PAC Electro-Optic Modulator
additional information, contact your Microelectronics Group Account Manager following: http://www.lucent.com/micro, Optoelectronics information, INTERNET: docmaster@micro.lucent.com E-MAIL: AMERICA: Microelectronics Group, Lucent Technologies Inc., Union Boulevard, Room 30L-15P-BA, Allentown, 18103 1-800-372-2447, 610-712-4106 CANADA: 1-800-553-2448, 610-712-4106) ASIA PACIFIC: Microelectronics Group, Lucent Technologies Singapore Pte. Ltd., Science Park Drive, #03-18 Cintech III, Singapore 118256 Tel. (65) 8833, (65) 7495 CHINA: Microelectronics Group, Lucent Technologies (China) Co., Ltd., A-F2, 23/F, Fong Universe Building, 1800 Zhong Shan Road, Shanghai 200233 China Tel. (86) 6440 0468, ext. 316, (86) 6440 0652 JAPAN: Microelectronics Group, Lucent Technologies Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 5421 1600, (81) 5421 1700 EUROPE: Data Requests: MICROELECTRONICS GROUP DATALINE: Tel. (44) 1189 299, (44) 1189 Technical Inquiries: OPTOELECTRONICS MARKETING: (44) 1344 (Bracknell
Lucent Technologies Inc. reserves right make changes product(s) information contained herein without notice. liability assumed result their application. rights under patent accompany sale such product(s) information.
Copyright 1998 Lucent Technologies Inc. Rights Reserved Printed U.S.A.
September 1998 DS98-110LWP (Replaces DS96-135LWP)

Slim, hermetic package Excellent long-term bias stability modulation v

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