Abstract

A polarization-independent magneto-optical waveguide isolator using nonreciprocal phase shift for a TM mode is proposed. The isolator is a Mach–Zehnder interferometer (MZI) that is composed of transverse electric (TE)–transverse magnetic (TM) polarization converters and nonreciprocal phase shifters. The MZI induces a phase difference between the reciprocal TE and nonreciprocal TM modes that are converted to each other by the polarization converter. Since the design uses a nonreciprocal phase shift only for the TM mode, it allows fabrication of an integrated structure. This paper describes the principle of operation and its design.

© 2007 IEEE

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  7. Y. Okamura, T. Negami, S. Yamamoto, "Integrated optical isolator and circulator using nonreciprocal phase shifters: A proposal ," J. Lightw. Technol. LT-4, 711-714 (1986).
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  21. J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, R. M. Osgood, Jr."Realization of a compact and single-mode optical passive polarization converter," IEEE Photon. Technol. Lett. 12, 317-319 (2000).
  22. B. M. Holmes, D. C. Hutchings, "Realization of novel low-loss monolithically integrated passive waveguide mode converters ," IEEE Photon. Technol. Lett. 18, 43-45 (2006).
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  25. H. Deng, D. O. Yevick, C. Brooks, P. E. Jessop, "Design rules for slanted-angle polarization rotators," J. Lightw. Technol. 23, 432-445 (2005).
  26. M. Gomi, K. Satoh, M. Abe, "Giant Faraday rotation of Ce-substituted YIG films epitaxially grown by RF sputtering ," Jpn. J. Appl. Phys. 27, L1 536-L1 538 (1988).
  27. BeamPROPRSoft Design Group, Inc. http://www.rsoftdesign.com.

2006 (2)

T. R. Zaman, X. Guo, R. J. Ram, "Proposal for a polarization-independent integrated optical circulator," IEEE Photon. Technol. Lett. 18, 1359-1368 (2006).

B. M. Holmes, D. C. Hutchings, "Realization of novel low-loss monolithically integrated passive waveguide mode converters ," IEEE Photon. Technol. Lett. 18, 43-45 (2006).

2005 (3)

M. V. Kotlyar, L. Bolla, M. Midrio, L. O'Faolain, T. F. Krauss, "Compact polarization converter in InP-based material," Opt. Express 13, 5040-5045 (2005).

H. Deng, D. O. Yevick, C. Brooks, P. E. Jessop, "Design rules for slanted-angle polarization rotators," J. Lightw. Technol. 23, 432-445 (2005).

H. Dötsch, N. Bahlmann, O. Zhuromskyy, M. Hemmer, L. Wilkens, R. Gerhardt, P. Hertel, "Application of magneto-optical waveguides in integrated optics: Review," J. Opt. Soc. Amer. B, Opt. Phys. 22, 240-253 (2005).

2004 (1)

2003 (2)

H. Yokoi, T. Mizumoto, Y. Shoji, "Optical nonreciprocal devices with a silicon guiding layer fabricated by wafer bonding ," Appl. Opt. 42, 6605-6612 (2003).

D. C. Hutchings, "Prospect for the implementation of magneto-optic elements in optoelectronic integrated circuits: A personal perspective," J. Phys. D, Appl. Phys. 36, 2222-2229 (2003).

2000 (5)

J. Fujita, M. Levy, R. M. Osgood, Jr.L. Wilkens, H. Dötsch, "Waveguide optical isolator based on Mach–Zehnder interferometer," Appl. Phys. Lett. 76, 2158-2160 (2000).

H. Yokoi, T. Mizumoto, N. Shinjo, N. Futakuchi, Y. Nakano, "Demonstration of an optical isolator with a semiconductor guiding layer that was obtained by use of a nonreciprocal phase shift," Appl. Opt. 39, 6158-6164 (2000).

J. Fujita, M. Levy, R. M. Osgood, Jr.L. Wilkens, H. Dötsch, "Polarization-independent waveguide optical isolator based on nonreciprocal phase shift ," IEEE Photon. Technol. Lett. 12, 1510-1512 (2000).

A. M. Radojevic, R. M. Osgood, Jr.M. Levy, A. Kumar, H. Bakhru, "Zeroth-order half-wave plates of $\hbox{LiNbO}_{3}$ for integrated optics application at 1.55 $\mu\hbox{m}$," IEEE Photon. Technol. Lett. 12, 1653-1655 (2000).

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, R. M. Osgood, Jr."Realization of a compact and single-mode optical passive polarization converter," IEEE Photon. Technol. Lett. 12, 317-319 (2000).

1999 (2)

N. Sugimoto, T. Shintaku, A. Tate, H. Terui, M. Shimokozono, E. Kubota, M. Ishi, Y. Inoue, "Waveguide polarization-independent optical circulator," IEEE Photon. Technol. Lett. 11, 355-357 (1999).

O. Zhuromskyy, M. Lohmeyer, N. Bahlmann, H. Dötsch, P. Hertel, T. Popkov, "Analysis of polarization independent Mach–Zehnder-type integrated optical isolator ," J. Lightw. Technol. 17, 1200-1205 (1999).

1998 (3)

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, H. Dötsch, P. Hertel, "Phase-matched rectangular magnetooptic waveguides for application in integrated optical isolators: Numerical assessment," Opt. Commun. 158, 189-200 (1998).

N. Bahlmann, V. Chandrasekhara, A. Erdmann, R. Gerhardt, P. Hertel, R. Lehmann, D. Salz, F.-J. Schröteler, M. Wallenhorst, H. Dötsch, "Improved design of magnetooptic rib waveguides for optical isolators," J. Lightw. Technol. 16, 818-823 (1998).

T. Shintaku, "Integrated optical isolator based on efficient nonreciprocal radiation mode conversion ," Appl. Phys. Lett. 73, 1946-1948 (1998).

1996 (2)

M. Levy, R. M. Osgood, Jr.H. Hegde, F. J. Cadieu, R. Wolfe, V. J. Ftratello, "Integrated optical isolators with sputter-deposited thin-film magnets," IEEE Photon. Technol. Lett. 8, 903-905 (1996).

V. P. Tzolov, M. Fontaine, "A passive polarization converter free of longitudinally-periodic structure," Opt. Commun. 127, 7-13 (1996).

1992 (1)

W. Huang, Z. M. Mao, "Polarization rotation in periodic loaded rib waveguides," J. Lightw. Technol. 10, 1825-1831 (1992).

1988 (2)

M. Gomi, K. Satoh, M. Abe, "Giant Faraday rotation of Ce-substituted YIG films epitaxially grown by RF sputtering ," Jpn. J. Appl. Phys. 27, L1 536-L1 538 (1988).

K. Ando, T. Okoshi, N. Koshizuka, "Waveguide magneto-optic isolator fabricated by laser annealing," Appl. Phys. Lett. 53, 4-6 (1988).

1986 (2)

T. Mizumoto, K. Oochi, T. Harada, Y. Naito, "Measurement of optical nonreciprocal phase shift in a Bi-substituted $ \hbox{Gd}_{3}\hbox{Fe}_{5}\hbox{O}_{12}$ and application to waveguide-type optical circulator ," J. Lightw. Technol. LT-4, 347-352 (1986).

Y. Okamura, T. Negami, S. Yamamoto, "Integrated optical isolator and circulator using nonreciprocal phase shifters: A proposal ," J. Lightw. Technol. LT-4, 711-714 (1986).

1975 (1)

F. Auracher, H. H. Witte, "A new design for an integrated optical isolator," Opt. Commun. 13, 435-438 (1975).

Appl. Opt. (2)

Appl. Phys. Lett. (3)

K. Ando, T. Okoshi, N. Koshizuka, "Waveguide magneto-optic isolator fabricated by laser annealing," Appl. Phys. Lett. 53, 4-6 (1988).

T. Shintaku, "Integrated optical isolator based on efficient nonreciprocal radiation mode conversion ," Appl. Phys. Lett. 73, 1946-1948 (1998).

J. Fujita, M. Levy, R. M. Osgood, Jr.L. Wilkens, H. Dötsch, "Waveguide optical isolator based on Mach–Zehnder interferometer," Appl. Phys. Lett. 76, 2158-2160 (2000).

IEEE Photon. Technol. Lett. (7)

M. Levy, R. M. Osgood, Jr.H. Hegde, F. J. Cadieu, R. Wolfe, V. J. Ftratello, "Integrated optical isolators with sputter-deposited thin-film magnets," IEEE Photon. Technol. Lett. 8, 903-905 (1996).

J. Fujita, M. Levy, R. M. Osgood, Jr.L. Wilkens, H. Dötsch, "Polarization-independent waveguide optical isolator based on nonreciprocal phase shift ," IEEE Photon. Technol. Lett. 12, 1510-1512 (2000).

N. Sugimoto, T. Shintaku, A. Tate, H. Terui, M. Shimokozono, E. Kubota, M. Ishi, Y. Inoue, "Waveguide polarization-independent optical circulator," IEEE Photon. Technol. Lett. 11, 355-357 (1999).

T. R. Zaman, X. Guo, R. J. Ram, "Proposal for a polarization-independent integrated optical circulator," IEEE Photon. Technol. Lett. 18, 1359-1368 (2006).

J. Z. Huang, R. Scarmozzino, G. Nagy, M. J. Steel, R. M. Osgood, Jr."Realization of a compact and single-mode optical passive polarization converter," IEEE Photon. Technol. Lett. 12, 317-319 (2000).

B. M. Holmes, D. C. Hutchings, "Realization of novel low-loss monolithically integrated passive waveguide mode converters ," IEEE Photon. Technol. Lett. 18, 43-45 (2006).

A. M. Radojevic, R. M. Osgood, Jr.M. Levy, A. Kumar, H. Bakhru, "Zeroth-order half-wave plates of $\hbox{LiNbO}_{3}$ for integrated optics application at 1.55 $\mu\hbox{m}$," IEEE Photon. Technol. Lett. 12, 1653-1655 (2000).

J. Lightw. Technol. (6)

H. Deng, D. O. Yevick, C. Brooks, P. E. Jessop, "Design rules for slanted-angle polarization rotators," J. Lightw. Technol. 23, 432-445 (2005).

W. Huang, Z. M. Mao, "Polarization rotation in periodic loaded rib waveguides," J. Lightw. Technol. 10, 1825-1831 (1992).

T. Mizumoto, K. Oochi, T. Harada, Y. Naito, "Measurement of optical nonreciprocal phase shift in a Bi-substituted $ \hbox{Gd}_{3}\hbox{Fe}_{5}\hbox{O}_{12}$ and application to waveguide-type optical circulator ," J. Lightw. Technol. LT-4, 347-352 (1986).

Y. Okamura, T. Negami, S. Yamamoto, "Integrated optical isolator and circulator using nonreciprocal phase shifters: A proposal ," J. Lightw. Technol. LT-4, 711-714 (1986).

N. Bahlmann, V. Chandrasekhara, A. Erdmann, R. Gerhardt, P. Hertel, R. Lehmann, D. Salz, F.-J. Schröteler, M. Wallenhorst, H. Dötsch, "Improved design of magnetooptic rib waveguides for optical isolators," J. Lightw. Technol. 16, 818-823 (1998).

O. Zhuromskyy, M. Lohmeyer, N. Bahlmann, H. Dötsch, P. Hertel, T. Popkov, "Analysis of polarization independent Mach–Zehnder-type integrated optical isolator ," J. Lightw. Technol. 17, 1200-1205 (1999).

J. Opt. Soc. Amer. B, Opt. Phys. (1)

H. Dötsch, N. Bahlmann, O. Zhuromskyy, M. Hemmer, L. Wilkens, R. Gerhardt, P. Hertel, "Application of magneto-optical waveguides in integrated optics: Review," J. Opt. Soc. Amer. B, Opt. Phys. 22, 240-253 (2005).

J. Phys. D, Appl. Phys. (1)

D. C. Hutchings, "Prospect for the implementation of magneto-optic elements in optoelectronic integrated circuits: A personal perspective," J. Phys. D, Appl. Phys. 36, 2222-2229 (2003).

Jpn. J. Appl. Phys. (1)

M. Gomi, K. Satoh, M. Abe, "Giant Faraday rotation of Ce-substituted YIG films epitaxially grown by RF sputtering ," Jpn. J. Appl. Phys. 27, L1 536-L1 538 (1988).

Opt. Commun. (3)

V. P. Tzolov, M. Fontaine, "A passive polarization converter free of longitudinally-periodic structure," Opt. Commun. 127, 7-13 (1996).

F. Auracher, H. H. Witte, "A new design for an integrated optical isolator," Opt. Commun. 13, 435-438 (1975).

M. Lohmeyer, N. Bahlmann, O. Zhuromskyy, H. Dötsch, P. Hertel, "Phase-matched rectangular magnetooptic waveguides for application in integrated optical isolators: Numerical assessment," Opt. Commun. 158, 189-200 (1998).

Opt. Express (1)

Opt. Lett. (1)

Other (1)

BeamPROPRSoft Design Group, Inc. http://www.rsoftdesign.com.

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