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| Preliminary Data Sheet, Rev.2 June 2001 40 Gbits/s Lithium Niobate Electro-Optic Modulator Applications s Digital high-speed telecommunications: -- SONET OC-768 -- Undersea communications Internet data communications SONET test equipment s s The Lithium Niobate 40 Gbits/s Modulator (2625C) is a higherspeed addition to the Agere Systems' family of modulators that also includes 10 Gbits/s and 20 Gbits/s versions. Description Representing the latest advancements in high-speed lithium niobate technology, the 40 Gbits/s electrooptic modulator is designed for long-wavelength, single-mode, external amplitude modulation applications. It uses an integrated Mach-Zehnder configuration to convert single polarization CW light from a semiconductor (DFB) laser into a time-varying optical output signal. Using the source in the CW mode eliminates the need for demanding, high-speed performance from the laser and reduces its cost. The dual-drive design inherently offers the capability to adjust the phase of the voltages on the electrodes, which produces zero-chirp modulation operation. The modulator is tested to, and meets the intent of, TR-NWT-00468. Features s s s Ti-diffusion process Dual-drive technology Thin-film, 50 termination in package for minimal reflections Low modulation voltages Tested to Telcordia Technologies * 468 Angled interfaces for minimal optical reflections Hermetic package Separate dc bias electrode s s s s s Benefits s Excellent long-term bias stability over a full operational temperature range of 0 C to 70 C Adjustable chirp for long distances at high bit rates Internal polarizer s s * Telcordia Technologies is a trademark of Telcordia Technologies, Inc. 40 Gbits/s Lithium Niobate Electro-Optic Modulator Preliminary Data Sheet, Rev. 2 June 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. Parameter Storage Temperature Optical Input Power at 1.5 m RF Voltage (peak to peak) dc Voltage (dc input) Operating Temperature Symbol Tstg PIN VRF Vdc TOP Min -40 -- -- -20 0 Max 85 30 10 20 70 Unit C mW V V C Characteristics Table 1. Optical/Electrical Characteristics (TC = 25 C) Parameter Operating Wavelength Optical Insertion Loss Extinction Ratio at dc Extinction Ratio at RF S11 Optical Return Loss Bandwidth Drive Voltage (V) at 1 GHz Electrode Impedance S11 Electrical Return Loss Min 1525 -- 20 13 -- 30 -- -- -- Typ -- -- -- -- -- -- -- 47 -- Max 1620 6 -- -- -30 -- 3 -- -10 Unit nm dB dB dB dB GHz V/side dB 2625C Characteristic Curves -36 -39 REFLECTION S11 (dB) 0 10 20 FREQUENCY (GHz) 1-1961 (F) 0 -5 EOE RESPONSE (dBe) -10 -15 -20 -25 -30 -42 -45 -48 -51 30 40 -35 0 5 10 15 20 25 30 35 40 1-1962 (F) FREQUENCY (GHz) Figure 1. Magnitude of Electro-Optic Response 2 Figure 2. S11 Electrical Return Loss Agere Systems Inc. Preliminary Data Sheet, Rev. 2 June 2001 40 Gbits/s Lithium Niobate Electro-Optic Modulator Outline Diagram Dimensions are in inches and (millimeters). 4.64 (119.) 0.14 (3.6) 0.40 (10.2) 1.00 (25.4) 0.07 (1.7) 0.60 (15.2) TBD 0.39 (10) 0.30 (9.6) 0.32 (8.1) 4.0 (101.6) 0.20 (5.1) 4-40 UNC-26 0.12 (3.04) DEEP MIN. 0.06 (1.5) 0.43 (10.9) 1.32 (33.5) V-FEMALE 1.10 (27.9) 1-890(F).a Agere Systems Inc. 3 40 Gbits/s Lithium Niobate Electro-Optic Modulator Preliminary Data Sheet, Rev. 2 June 2001 Package Information Designed to NEBS (inside plant) standards, the hermetic package design incorporates a laser-sealed lid and soldered fibers. The minimum bend radius for the fiber is 1.5 in. Table 3. Package Information Description Input Optical Fiber Output Optical Fiber Fiber Connectors Fiber Length RF Connector Package Dimensions Type PANDA-type PMF PANDA-type PMF FC 1.5 m max V-type See Outline Diagram, page 3 Ordering Information Table 4. Device Information Part Number 2625C Comcode 109036483 For additional information, contact your Agere Systems Account Manager or the following: http://www.agere.com INTERNET: docmaster@micro.lucent.com E-MAIL: N. AMERICA: Agere Systems Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286 1-800-372-2447, FAX 610-712-4106 (In CANADA: 1-800-553-2448, FAX 610-712-4106) ASIA PACIFIC: Agere Systems Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256 Tel. (65) 778 8833, FAX (65) 777 7495 CHINA: Agere Systems (Shanghai) Co., Ltd., 33/F Jin Mao Tower, 88 Century Boulevard Pudong, Shanghai 200121 PRC Tel. (86) 21 50471212, FAX (86) 21 50472266 JAPAN: Agere Systems Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan Tel. (81) 3 5421 1600, FAX (81) 3 5421 1700 EUROPE: Data Requests: DATALINE: Tel. (44) 7000 582 368, FAX (44) 1189 328 148 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 (c) 2001 Agere Systems Inc. All Rights Reserved June 2001 DS99-365LWP-2 (Replaces DS99-365LWP-1) |
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