JPS6482022A - Waveguide type wavelength converting element - Google Patents

Waveguide type wavelength converting element

Info

Publication number
JPS6482022A
JPS6482022A JP24131987A JP24131987A JPS6482022A JP S6482022 A JPS6482022 A JP S6482022A JP 24131987 A JP24131987 A JP 24131987A JP 24131987 A JP24131987 A JP 24131987A JP S6482022 A JPS6482022 A JP S6482022A
Authority
JP
Japan
Prior art keywords
shg
waveguide
refractive index
2omega
omega
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP24131987A
Other languages
Japanese (ja)
Other versions
JP2676743B2 (en
Inventor
Yoshinori Ota
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP62241319A priority Critical patent/JP2676743B2/en
Publication of JPS6482022A publication Critical patent/JPS6482022A/en
Application granted granted Critical
Publication of JP2676743B2 publication Critical patent/JP2676743B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/37—Non-linear optics for second-harmonic generation
    • G02F1/377—Non-linear optics for second-harmonic generation in an optical waveguide structure
    • G02F1/3775—Non-linear optics for second-harmonic generation in an optical waveguide structure with a periodic structure, e.g. domain inversion, for quasi-phase-matching [QPM]

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)

Abstract

PURPOSE:To perform efficient SHG conversion by specifying the relation between the wave number of an optical waveguide to the basic wave of a 1st channel optical waveguide and the wave number of a 2nd channel optical waveguide to the 2nd higher harmonic of said basic wave. CONSTITUTION:The converting element consists of two optical waveguides 2 and 3 formed on a crystal substrate 1 at the same place and a dielectric 4 which is provided on those waveguides and varies the period of the equivalent refractive index of waveguide light. In this case, the equivalent refractive index n(omega) to the basic wave of 0.83mum wavelength of the Ti diffused waveguide 2 is 2.177 and the equivalent refractive index n(2omega) to SHG light of 0.415 wavelength of the H<+> converting waveguide 3 where SHG should to be propagated is 2.387. Consequently, the two waves have a difference in phase constant (b) and conversion from the basic wave to SHG light is not performed in this state. The SHG conversion, however, is performed on condition that there is variation in refractive index of a period lambdamum satisfying beta(2omega)-2beta(omega)=2pi/lambda, namely, n(2omega)-n(omega)=0.415/lambda.
JP62241319A 1987-09-25 1987-09-25 Waveguide type wavelength conversion element Expired - Lifetime JP2676743B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62241319A JP2676743B2 (en) 1987-09-25 1987-09-25 Waveguide type wavelength conversion element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62241319A JP2676743B2 (en) 1987-09-25 1987-09-25 Waveguide type wavelength conversion element

Publications (2)

Publication Number Publication Date
JPS6482022A true JPS6482022A (en) 1989-03-28
JP2676743B2 JP2676743B2 (en) 1997-11-17

Family

ID=17072523

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62241319A Expired - Lifetime JP2676743B2 (en) 1987-09-25 1987-09-25 Waveguide type wavelength conversion element

Country Status (1)

Country Link
JP (1) JP2676743B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02281243A (en) * 1989-04-21 1990-11-16 Nec Corp Wavelength converting element and production thereof
JPH02282232A (en) * 1989-04-24 1990-11-19 Nec Corp Waveguide type wavelength converting element
JPH03197932A (en) * 1989-12-26 1991-08-29 Sharp Corp Light wavelength converter
JPH0498227A (en) * 1990-08-17 1992-03-30 Nec Corp Waveguide type wavelength conversion element
JPH04107536A (en) * 1990-08-29 1992-04-09 Oki Electric Ind Co Ltd Second harmonic generation device
JPH04172427A (en) * 1990-11-06 1992-06-19 Matsushita Electric Ind Co Ltd Light wave length converting element and short wave length laser light source

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119066A (en) * 1977-03-23 1978-10-18 Thomson Csf Nonnlinear thin membrane device and method of manufacturing thereof
JPS6014222A (en) * 1983-07-06 1985-01-24 Matsushita Electric Ind Co Ltd Optical wavelength converting element
JPS61290426A (en) * 1985-06-18 1986-12-20 Sharp Corp Higher harmonic generator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53119066A (en) * 1977-03-23 1978-10-18 Thomson Csf Nonnlinear thin membrane device and method of manufacturing thereof
JPS6014222A (en) * 1983-07-06 1985-01-24 Matsushita Electric Ind Co Ltd Optical wavelength converting element
JPS61290426A (en) * 1985-06-18 1986-12-20 Sharp Corp Higher harmonic generator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02281243A (en) * 1989-04-21 1990-11-16 Nec Corp Wavelength converting element and production thereof
JPH02282232A (en) * 1989-04-24 1990-11-19 Nec Corp Waveguide type wavelength converting element
JPH03197932A (en) * 1989-12-26 1991-08-29 Sharp Corp Light wavelength converter
JPH0498227A (en) * 1990-08-17 1992-03-30 Nec Corp Waveguide type wavelength conversion element
JPH04107536A (en) * 1990-08-29 1992-04-09 Oki Electric Ind Co Ltd Second harmonic generation device
JPH04172427A (en) * 1990-11-06 1992-06-19 Matsushita Electric Ind Co Ltd Light wave length converting element and short wave length laser light source

Also Published As

Publication number Publication date
JP2676743B2 (en) 1997-11-17

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