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公开(公告)号：JP2001284694A
公开(公告)日：2001-10-12
申请号：JP2001077666
申请日：2001-03-19
Applicant: LUCENT TECHNOLOGIES INC
Abstract: PROBLEM TO BE SOLVED: To provide a protruding/retracting pin optical tap on an optical sub-assembly for transmitting a laser beam signal generated from one laser beam source to a plurality of optical elements disposed at different distances from the source. SOLUTION: An apparatus and a method for supplying individual laser beam signals supplied from one laser beam source to the plurality of optical elements use a base for a first optical element. Thus, a part of the signals supplied from the one source is received by the first element. The residue of the signals is propagated over the first element, and received by the second optical element. The obtained individual signals are constituted without using a beam splitter.
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Patent Agency Ranking
公开(公告)号：JPH1056232A
公开(公告)日：1998-02-24
申请号：JP11896497
申请日：1997-05-09
Applicant: LUCENT TECHNOLOGIES INC
Inventor： CHAKRABARTI UTPAL KUMAR , CHEN PAUL SANGONE , PRZYBYLEK GEORGE JOHN , RINAUDO DOMINIC PAUL
Abstract: PROBLEM TO BE SOLVED: To realize more uniform coating of material by securing a parallel hexagonal device to a holder on a pair of device holding surfaces, setting the holder in a vacuum chamber and realizing a surface coating environment in the vacuum chamber thereby holding a laser bar in a small region. SOLUTION: When meshed thin plates 50 (50-1, 50-2,..., 50-n) are fully opened, a laser bar 90 is set on a laser bar holding surface such that a first pair of facing major surfaces 96, 98 abut on the laser bar holding surface. When a cross member 32 is pulled toward a second end 38 by the tensile force of a spring 34 and fastened thereto, the surfaces 100, 102 of the laser bar 90 are flush with each major surface of a securing unit 20 and exposed to coating process while being secured. A plurality of carrier frames loaded with the securing unit 20 are arranged in the vacuum chamber of a CVD system. Each carrier frame turns to pass the container of coating material and the major surfaces 100, 102 facing the steam through the steam.
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公开(公告)号：JP2001015856A
公开(公告)日：2001-01-19
申请号：JP2000142472
申请日：2000-05-15
Applicant: LUCENT TECHNOLOGIES INC
Abstract: PROBLEM TO BE SOLVED: To realize a stepped etalon which is suitable for a very accurate laser tuning application that is required to be accurately tuned to a laser output frequency in a narrow range of 1 nm or below. SOLUTION: The nominal thickness (d) of an etalon 30 is selected so that a transmission peak occurs at a wavelength substantially equal to a selected light communication channel (e.g. 1,550 nm) and a next peak occurs at the wavelength of an adjacent communication channel (e.g. in a system where a channel space is approx. 0.4 nm, 1550.4 nm). A plurality of steps are formed on the one side 14 of the etalon 30. The size Δd of a step is smaller than a channel space cs and substantially optimized so that a peak or a trough in a transmission curve in the region of one step overlaps with a steep slope portion of the transmission curve for one or more other steps.
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公开(公告)号：CA2335892A1
公开(公告)日：2001-09-20
申请号：CA2335892
申请日：2001-02-13
Applicant: LUCENT TECHNOLOGIES INC
Abstract: An apparatus and method for providing multiple optical components with an individual laser light signal provided from one laser light source is disclosed. The apparatus and method provide for the use of a mount for a first optical component, which allows a portion of the laser light signal provided from the one laser source to be received by the first optical component. The remainder of the laser light signal travels beyond the first optical component and is received by a second optical component. The resultant individual signals are constructed without the use of a beam splitter.
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公开(公告)号：DE69611282D1
公开(公告)日：2001-01-25
申请号：DE69611282
申请日：1996-12-13
Applicant: LUCENT TECHNOLOGIES INC
Inventor： ANIGBO FELIX , DAUTARTAS MINDAUGAS FERNAND , MACDONALD WILLIAM MICHAEL , PITMAN EDWARD A , RAMSEY DAVID ANDREW , RINAUDO DOMINIC PAUL , WONG YIU-HUEN
Abstract: There is disclosed, an optical subassembly (10) includes a platform (12) on which a laser (18) and photodiode (14) are mounted. The laser (18) has a rear facet (42) through which passes a small portion of the light emitted by the laser (18). The photodiode (14) is mounted on the surface of the platform with a light admitting facet (44) for receiving a portion of the light emitted from the rear facet (42) of the laser being substantially perpendicular to the light emitting facet (42) of the laser. The surface of the platform may include a channel (34). The channel (34) may be tapered from a narrower end (36) near the laser (18) to a wider end (38) near the photodiode (14), and may be coated with a light-reflective material.
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公开(公告)号：DE69611282T2
公开(公告)日：2001-04-26
申请号：DE69611282
申请日：1996-12-13
Applicant: LUCENT TECHNOLOGIES INC
Inventor： ANIGBO FELIX , DAUTARTAS MINDAUGAS FERNAND , MACDONALD WILLIAM MICHAEL , PITMAN EDWARD A , RAMSEY DAVID ANDREW , RINAUDO DOMINIC PAUL , WONG YIU-HUEN
Abstract: There is disclosed, an optical subassembly (10) includes a platform (12) on which a laser (18) and photodiode (14) are mounted. The laser (18) has a rear facet (42) through which passes a small portion of the light emitted by the laser (18). The photodiode (14) is mounted on the surface of the platform with a light admitting facet (44) for receiving a portion of the light emitted from the rear facet (42) of the laser being substantially perpendicular to the light emitting facet (42) of the laser. The surface of the platform may include a channel (34). The channel (34) may be tapered from a narrower end (36) near the laser (18) to a wider end (38) near the photodiode (14), and may be coated with a light-reflective material.
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