Abstract

A planar microlens beam guide that is based on the lateral focusing property of gradient-index planar microlenses is realized for a wavelength-division multiplexer (WDM) component without precision alignment. By stacking two planar microlenses, we obtain a nearly circular focused spot of ~ 5-μm diameter by lateral focusing, which is comparable with that of a single-mode fibers. A fabricated WDM component that consists of four stacked lenses and microfilters inserted into the slits made in a substrate is demonstrated. The port-to-port coupling loss is 3–5 dB, and an extinction ratio of larger than 20 dB for multiplexed-demultiplexed wavelengths of 780 and 633 nm, respectively, is achieved.

© 1994 Optical Society of America

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References

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  1. N. Nourschargh, E. M. Starr, T. M. Ong, “Integrated optic 1 × 4 splitter in SiO2/GeO2,” Electron. Lett. 25, 981–982 (1989).
    [CrossRef]
  2. B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
    [CrossRef]
  3. K. Iga, M. Oikawa, S. Misawa, J. Banno, Y. Kokubun, “Stacked planar optics: an application of the planar microlens,” Appl. Opt. 21, 3456–3460 (1982).
    [CrossRef] [PubMed]
  4. K. Hamanaka, “Optical bus interconnection system using Selfoc lenses,” presented at Optoelectronics Conference ’92, Makuhari, Japan, 1992.
  5. M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
    [CrossRef]
  6. H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
    [CrossRef]
  7. D. Intani, T. Baba, K. Iga, “Planar microlens relay optics utilizing lateral focusing,” Appl. Opt. 31, 5255–5258 (1992).
    [CrossRef] [PubMed]
  8. D. Intani, T. Baba, K. Iga, “A new optical WDM component based on planar microlens relay optics using lateral focusing,” presented at the meeting on gradient-index optical systems, Santiago de Compostela, Spain, October 1992.
  9. M. Oikawa, K. Iga, “Distributed-index planar microlens,” Appl. Opt. 21, 1052–1056 (1982).
    [CrossRef] [PubMed]
  10. T. Kinoshita, K. Sano, E. Yoneda, “Tunable 8-channel wavelength demultiplexer using an acousto-optic light deflector,” Electron. Lett. 22, 669–670 (1986).
    [CrossRef]

1992 (1)

1989 (2)

N. Nourschargh, E. M. Starr, T. M. Ong, “Integrated optic 1 × 4 splitter in SiO2/GeO2,” Electron. Lett. 25, 981–982 (1989).
[CrossRef]

H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
[CrossRef]

1988 (1)

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

1986 (1)

T. Kinoshita, K. Sano, E. Yoneda, “Tunable 8-channel wavelength demultiplexer using an acousto-optic light deflector,” Electron. Lett. 22, 669–670 (1986).
[CrossRef]

1985 (1)

M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
[CrossRef]

1982 (2)

Baba, T.

D. Intani, T. Baba, K. Iga, “Planar microlens relay optics utilizing lateral focusing,” Appl. Opt. 31, 5255–5258 (1992).
[CrossRef] [PubMed]

D. Intani, T. Baba, K. Iga, “A new optical WDM component based on planar microlens relay optics using lateral focusing,” presented at the meeting on gradient-index optical systems, Santiago de Compostela, Spain, October 1992.

Banno, J.

Hamanaka, K.

K. Hamanaka, “Optical bus interconnection system using Selfoc lenses,” presented at Optoelectronics Conference ’92, Makuhari, Japan, 1992.

Hayakawa, H.

H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
[CrossRef]

Henry, C. H.

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

Iga, K.

Intani, D.

D. Intani, T. Baba, K. Iga, “Planar microlens relay optics utilizing lateral focusing,” Appl. Opt. 31, 5255–5258 (1992).
[CrossRef] [PubMed]

D. Intani, T. Baba, K. Iga, “A new optical WDM component based on planar microlens relay optics using lateral focusing,” presented at the meeting on gradient-index optical systems, Santiago de Compostela, Spain, October 1992.

Johnson, B. H.

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

Kawachi, M.

M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
[CrossRef]

Kazarinov, R. F.

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

Kinoshita, T.

T. Kinoshita, K. Sano, E. Yoneda, “Tunable 8-channel wavelength demultiplexer using an acousto-optic light deflector,” Electron. Lett. 22, 669–670 (1986).
[CrossRef]

Kobayashi, M.

M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
[CrossRef]

Kokubun, Y.

Misawa, S.

Miyazawa, H.

H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
[CrossRef]

Nourschargh, N.

N. Nourschargh, E. M. Starr, T. M. Ong, “Integrated optic 1 × 4 splitter in SiO2/GeO2,” Electron. Lett. 25, 981–982 (1989).
[CrossRef]

Ochiai, T.

H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
[CrossRef]

Oikawa, M.

Olsson, N. A.

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

Ong, T. M.

N. Nourschargh, E. M. Starr, T. M. Ong, “Integrated optic 1 × 4 splitter in SiO2/GeO2,” Electron. Lett. 25, 981–982 (1989).
[CrossRef]

Orlowsky, K. J.

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

Sano, K.

T. Kinoshita, K. Sano, E. Yoneda, “Tunable 8-channel wavelength demultiplexer using an acousto-optic light deflector,” Electron. Lett. 22, 669–670 (1986).
[CrossRef]

Starr, E. M.

N. Nourschargh, E. M. Starr, T. M. Ong, “Integrated optic 1 × 4 splitter in SiO2/GeO2,” Electron. Lett. 25, 981–982 (1989).
[CrossRef]

Verbeek, B. H.

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

Yamada, Y.

M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
[CrossRef]

Yanagawa, H.

H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
[CrossRef]

Yasu, M.

M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
[CrossRef]

Yoneda, E.

T. Kinoshita, K. Sano, E. Yoneda, “Tunable 8-channel wavelength demultiplexer using an acousto-optic light deflector,” Electron. Lett. 22, 669–670 (1986).
[CrossRef]

Appl. Opt. (3)

Electron. Lett. (3)

T. Kinoshita, K. Sano, E. Yoneda, “Tunable 8-channel wavelength demultiplexer using an acousto-optic light deflector,” Electron. Lett. 22, 669–670 (1986).
[CrossRef]

M. Kawachi, Y. Yamada, M. Yasu, M. Kobayashi, “Guided-wave optical wavelength division multi/demultiplexer using high-silica channel waveguides,” Electron. Lett. 21, 314–316 (1985).
[CrossRef]

N. Nourschargh, E. M. Starr, T. M. Ong, “Integrated optic 1 × 4 splitter in SiO2/GeO2,” Electron. Lett. 25, 981–982 (1989).
[CrossRef]

J. Lightwave Technol. (2)

B. H. Verbeek, C. H. Henry, N. A. Olsson, K. J. Orlowsky, R. F. Kazarinov, B. H. Johnson, “Integrated four channel Mach–Zehnder multi/demultiplexer fabricated with phosphorous doped SiO2 waveguides on Si,” J. Lightwave Technol. 6, 1011–1015 (1988).
[CrossRef]

H. Yanagawa, T. Ochiai, H. Hayakawa, H. Miyazawa, “Filter embedded design and its applications to passive components,” J. Lightwave Technol. 7, 1646–1653 (1989).
[CrossRef]

Other (2)

D. Intani, T. Baba, K. Iga, “A new optical WDM component based on planar microlens relay optics using lateral focusing,” presented at the meeting on gradient-index optical systems, Santiago de Compostela, Spain, October 1992.

K. Hamanaka, “Optical bus interconnection system using Selfoc lenses,” presented at Optoelectronics Conference ’92, Makuhari, Japan, 1992.

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Figures (7)

Fig. 1
Fig. 1

Configuration of a stacked planar microlens.

Fig. 2
Fig. 2

Cross-sectional view of the stacked lenses.

Fig. 3
Fig. 3

Focused spot profile of a collimated light beam.

Fig. 4
Fig. 4

(a) Pair of stacked lenses in the coupler structure, (b) coupling efficiency: MM, multimode; PML, planar microlens.

Fig. 5
Fig. 5

Configuration of an optical WDM component: LD, laser diode; HM, half-mirror.

Fig. 6
Fig. 6

Slit formation in the substrate.

Fig. 7
Fig. 7

WDM component that is fabricated based on planar microlens relay optics.

Tables (1)

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Table 1 Measurement Result of an Optical WDM Component

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